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Posted to commits@hbase.apache.org by st...@apache.org on 2015/09/30 20:48:57 UTC
[1/5] hbase git commit: HBASE-14465 Backport 'Allow rowlock to be
reader/write' to branch-1
Repository: hbase
Updated Branches:
refs/heads/branch-1 2ff8580d7 -> 4812d9a17
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationWALReaderManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationWALReaderManager.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationWALReaderManager.java
index b4eacc5..40db3eb 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationWALReaderManager.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationWALReaderManager.java
@@ -18,6 +18,18 @@
package org.apache.hadoop.hbase.replication.regionserver;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicLong;
+
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
@@ -26,14 +38,15 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
+import org.apache.hadoop.hbase.testclassification.LargeTests;
+import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.wal.WAL;
import org.apache.hadoop.hbase.wal.WALFactory;
import org.apache.hadoop.hbase.wal.WALKey;
-import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.junit.After;
import org.junit.AfterClass;
@@ -46,22 +59,12 @@ import org.junit.rules.TestName;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
-
-import static org.junit.Assert.*;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.concurrent.atomic.AtomicLong;
-
-@Category(LargeTests.class)
+@Category({LargeTests.class})
@RunWith(Parameterized.class)
public class TestReplicationWALReaderManager {
private static HBaseTestingUtility TEST_UTIL;
private static Configuration conf;
- private static Path hbaseDir;
private static FileSystem fs;
private static MiniDFSCluster cluster;
private static final TableName tableName = TableName.valueOf("tablename");
@@ -76,8 +79,8 @@ public class TestReplicationWALReaderManager {
private PathWatcher pathWatcher;
private int nbRows;
private int walEditKVs;
- private final AtomicLong sequenceId = new AtomicLong(1);
@Rule public TestName tn = new TestName();
+ private final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
@Parameters
public static Collection<Object[]> parameters() {
@@ -106,6 +109,7 @@ public class TestReplicationWALReaderManager {
this.walEditKVs = walEditKVs;
TEST_UTIL.getConfiguration().setBoolean(HConstants.ENABLE_WAL_COMPRESSION,
enableCompression);
+ mvcc.advanceTo(1);
}
@BeforeClass
@@ -114,7 +118,6 @@ public class TestReplicationWALReaderManager {
conf = TEST_UTIL.getConfiguration();
TEST_UTIL.startMiniDFSCluster(3);
- hbaseDir = TEST_UTIL.createRootDir();
cluster = TEST_UTIL.getDFSCluster();
fs = cluster.getFileSystem();
}
@@ -198,8 +201,9 @@ public class TestReplicationWALReaderManager {
}
private void appendToLogPlus(int count) throws IOException {
- final long txid = log.append(htd, info, new WALKey(info.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), getWALEdits(count), sequenceId, true, null);
+ final long txid = log.append(htd, info,
+ new WALKey(info.getEncodedNameAsBytes(), tableName, System.currentTimeMillis(), mvcc),
+ getWALEdits(count), true);
log.sync(txid);
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsWithDistributedLogReplay.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsWithDistributedLogReplay.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsWithDistributedLogReplay.java
deleted file mode 100644
index ad6e45a..0000000
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsWithDistributedLogReplay.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.hbase.security.visibility;
-
-import static org.apache.hadoop.hbase.security.visibility.VisibilityConstants.LABELS_TABLE_NAME;
-
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.testclassification.MediumTests;
-import org.apache.hadoop.hbase.security.User;
-import org.junit.BeforeClass;
-import org.junit.experimental.categories.Category;
-
-/**
- * Test class that tests the visibility labels with distributed log replay feature ON.
- */
-@Category(MediumTests.class)
-public class TestVisibilityLabelsWithDistributedLogReplay extends
- TestVisibilityLabelsWithDefaultVisLabelService {
-
- @BeforeClass
- public static void setupBeforeClass() throws Exception {
- // setup configuration
- conf = TEST_UTIL.getConfiguration();
- conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
- VisibilityTestUtil.enableVisiblityLabels(conf);
-
- conf.setClass(VisibilityUtils.VISIBILITY_LABEL_GENERATOR_CLASS, SimpleScanLabelGenerator.class,
- ScanLabelGenerator.class);
- conf.set("hbase.superuser", "admin");
- // Put meta on master to avoid meta server shutdown handling
- conf.set("hbase.balancer.tablesOnMaster", "hbase:meta");
- TEST_UTIL.startMiniCluster(2);
- SUPERUSER = User.createUserForTesting(conf, "admin", new String[] { "supergroup" });
- USER1 = User.createUserForTesting(conf, "user1", new String[] {});
-
- // Wait for the labels table to become available
- TEST_UTIL.waitTableEnabled(LABELS_TABLE_NAME.getName(), 50000);
- addLabels();
- }
-}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
index 3212822..2954096 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
@@ -66,11 +66,11 @@ public class FaultyFSLog extends FSHLog {
@Override
public long append(HTableDescriptor htd, HRegionInfo info, WALKey key, WALEdit edits,
- AtomicLong sequenceId, boolean isInMemstore, List<Cell> cells) throws IOException {
+ boolean inMemstore) throws IOException {
if (this.ft == FailureType.APPEND) {
throw new IOException("append");
}
- return super.append(htd, info, key, edits, sequenceId, isInMemstore, cells);
+ return super.append(htd, info, key, edits, inMemstore);
}
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProvider.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProvider.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProvider.java
index edf03d6..e928a4d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProvider.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProvider.java
@@ -44,6 +44,8 @@ import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.junit.After;
@@ -65,12 +67,14 @@ public class TestDefaultWALProvider {
protected static Configuration conf;
protected static FileSystem fs;
protected final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
+ protected MultiVersionConcurrencyControl mvcc;
@Rule
public final TestName currentTest = new TestName();
@Before
public void setUp() throws Exception {
+ mvcc = new MultiVersionConcurrencyControl();
FileStatus[] entries = fs.listStatus(new Path("/"));
for (FileStatus dir : entries) {
fs.delete(dir.getPath(), true);
@@ -147,14 +151,14 @@ public class TestDefaultWALProvider {
protected void addEdits(WAL log, HRegionInfo hri, HTableDescriptor htd,
- int times, AtomicLong sequenceId) throws IOException {
+ int times) throws IOException {
final byte[] row = Bytes.toBytes("row");
for (int i = 0; i < times; i++) {
long timestamp = System.currentTimeMillis();
WALEdit cols = new WALEdit();
cols.add(new KeyValue(row, row, row, timestamp, row));
log.append(htd, hri, getWalKey(hri.getEncodedNameAsBytes(), htd.getTableName(), timestamp),
- cols, sequenceId, true, null);
+ cols, true);
}
log.sync();
}
@@ -163,7 +167,7 @@ public class TestDefaultWALProvider {
* used by TestDefaultWALProviderWithHLogKey
*/
WALKey getWalKey(final byte[] info, final TableName tableName, final long timestamp) {
- return new WALKey(info, tableName, timestamp);
+ return new WALKey(info, tableName, timestamp, mvcc);
}
/**
@@ -201,26 +205,26 @@ public class TestDefaultWALProvider {
// Add a single edit and make sure that rolling won't remove the file
// Before HBASE-3198 it used to delete it
- addEdits(log, hri, htd, 1, sequenceId);
+ addEdits(log, hri, htd, 1);
log.rollWriter();
assertEquals(1, DefaultWALProvider.getNumRolledLogFiles(log));
// See if there's anything wrong with more than 1 edit
- addEdits(log, hri, htd, 2, sequenceId);
+ addEdits(log, hri, htd, 2);
log.rollWriter();
assertEquals(2, DefaultWALProvider.getNumRolledLogFiles(log));
// Now mix edits from 2 regions, still no flushing
- addEdits(log, hri, htd, 1, sequenceId);
- addEdits(log, hri2, htd2, 1, sequenceId);
- addEdits(log, hri, htd, 1, sequenceId);
- addEdits(log, hri2, htd2, 1, sequenceId);
+ addEdits(log, hri, htd, 1);
+ addEdits(log, hri2, htd2, 1);
+ addEdits(log, hri, htd, 1);
+ addEdits(log, hri2, htd2, 1);
log.rollWriter();
assertEquals(3, DefaultWALProvider.getNumRolledLogFiles(log));
// Flush the first region, we expect to see the first two files getting
// archived. We need to append something or writer won't be rolled.
- addEdits(log, hri2, htd2, 1, sequenceId);
+ addEdits(log, hri2, htd2, 1);
log.startCacheFlush(hri.getEncodedNameAsBytes(), htd.getFamiliesKeys());
log.completeCacheFlush(hri.getEncodedNameAsBytes());
log.rollWriter();
@@ -229,7 +233,7 @@ public class TestDefaultWALProvider {
// Flush the second region, which removes all the remaining output files
// since the oldest was completely flushed and the two others only contain
// flush information
- addEdits(log, hri2, htd2, 1, sequenceId);
+ addEdits(log, hri2, htd2, 1);
log.startCacheFlush(hri2.getEncodedNameAsBytes(), htd2.getFamiliesKeys());
log.completeCacheFlush(hri2.getEncodedNameAsBytes());
log.rollWriter();
@@ -276,34 +280,32 @@ public class TestDefaultWALProvider {
hri1.setSplit(false);
hri2.setSplit(false);
// variables to mock region sequenceIds.
- final AtomicLong sequenceId1 = new AtomicLong(1);
- final AtomicLong sequenceId2 = new AtomicLong(1);
// start with the testing logic: insert a waledit, and roll writer
- addEdits(wal, hri1, table1, 1, sequenceId1);
+ addEdits(wal, hri1, table1, 1);
wal.rollWriter();
// assert that the wal is rolled
assertEquals(1, DefaultWALProvider.getNumRolledLogFiles(wal));
// add edits in the second wal file, and roll writer.
- addEdits(wal, hri1, table1, 1, sequenceId1);
+ addEdits(wal, hri1, table1, 1);
wal.rollWriter();
// assert that the wal is rolled
assertEquals(2, DefaultWALProvider.getNumRolledLogFiles(wal));
// add a waledit to table1, and flush the region.
- addEdits(wal, hri1, table1, 3, sequenceId1);
+ addEdits(wal, hri1, table1, 3);
flushRegion(wal, hri1.getEncodedNameAsBytes(), table1.getFamiliesKeys());
// roll log; all old logs should be archived.
wal.rollWriter();
assertEquals(0, DefaultWALProvider.getNumRolledLogFiles(wal));
// add an edit to table2, and roll writer
- addEdits(wal, hri2, table2, 1, sequenceId2);
+ addEdits(wal, hri2, table2, 1);
wal.rollWriter();
assertEquals(1, DefaultWALProvider.getNumRolledLogFiles(wal));
// add edits for table1, and roll writer
- addEdits(wal, hri1, table1, 2, sequenceId1);
+ addEdits(wal, hri1, table1, 2);
wal.rollWriter();
assertEquals(2, DefaultWALProvider.getNumRolledLogFiles(wal));
// add edits for table2, and flush hri1.
- addEdits(wal, hri2, table2, 2, sequenceId2);
+ addEdits(wal, hri2, table2, 2);
flushRegion(wal, hri1.getEncodedNameAsBytes(), table2.getFamiliesKeys());
// the log : region-sequenceId map is
// log1: region2 (unflushed)
@@ -313,7 +315,7 @@ public class TestDefaultWALProvider {
wal.rollWriter();
assertEquals(2, DefaultWALProvider.getNumRolledLogFiles(wal));
// flush region2, and all logs should be archived.
- addEdits(wal, hri2, table2, 2, sequenceId2);
+ addEdits(wal, hri2, table2, 2);
flushRegion(wal, hri2.getEncodedNameAsBytes(), table2.getFamiliesKeys());
wal.rollWriter();
assertEquals(0, DefaultWALProvider.getNumRolledLogFiles(wal));
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProviderWithHLogKey.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProviderWithHLogKey.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProviderWithHLogKey.java
index 0bc8c80..21f28fc 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProviderWithHLogKey.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProviderWithHLogKey.java
@@ -27,6 +27,6 @@ import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
public class TestDefaultWALProviderWithHLogKey extends TestDefaultWALProvider {
@Override
WALKey getWalKey(final byte[] info, final TableName tableName, final long timestamp) {
- return new HLogKey(info, tableName, timestamp);
+ return new HLogKey(info, tableName, timestamp, mvcc);
}
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
index 41384aa..d9454bb 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
@@ -90,7 +90,6 @@ public class TestSecureWAL {
final byte[] value = Bytes.toBytes("Test value");
FileSystem fs = TEST_UTIL.getTestFileSystem();
final WALFactory wals = new WALFactory(TEST_UTIL.getConfiguration(), null, "TestSecureWAL");
- final AtomicLong sequenceId = new AtomicLong(1);
// Write the WAL
final WAL wal =
@@ -100,7 +99,7 @@ public class TestSecureWAL {
WALEdit kvs = new WALEdit();
kvs.add(new KeyValue(row, family, Bytes.toBytes(i), value));
wal.append(htd, regioninfo, new WALKey(regioninfo.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), kvs, sequenceId, true, null);
+ System.currentTimeMillis()), kvs, true);
}
wal.sync();
final Path walPath = DefaultWALProvider.getCurrentFileName(wal);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALFactory.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALFactory.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALFactory.java
index bc2716a..878bb32 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALFactory.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALFactory.java
@@ -30,7 +30,6 @@ import java.io.IOException;
import java.lang.reflect.Method;
import java.net.BindException;
import java.util.List;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -48,10 +47,17 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
import org.apache.hadoop.hbase.coprocessor.SampleRegionWALObserver;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
+import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
+import org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader;
+import org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter;
+import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
+import org.apache.hadoop.hbase.regionserver.wal.WALCoprocessorHost;
+import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.apache.hadoop.hbase.util.Threads;
@@ -67,14 +73,6 @@ import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.TestName;
-// imports for things that haven't moved from regionserver.wal yet.
-import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
-import org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader;
-import org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter;
-import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
-import org.apache.hadoop.hbase.regionserver.wal.WALCoprocessorHost;
-import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
-
/**
* WAL tests that can be reused across providers.
*/
@@ -165,6 +163,7 @@ public class TestWALFactory {
public void testSplit() throws IOException {
final TableName tableName = TableName.valueOf(currentTest.getMethodName());
final byte [] rowName = tableName.getName();
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl(1);
final Path logdir = new Path(hbaseDir,
DefaultWALProvider.getWALDirectoryName(currentTest.getMethodName()));
Path oldLogDir = new Path(hbaseDir, HConstants.HREGION_OLDLOGDIR_NAME);
@@ -182,7 +181,6 @@ public class TestWALFactory {
htd.addFamily(new HColumnDescriptor("column"));
// Add edits for three regions.
- final AtomicLong sequenceId = new AtomicLong(1);
for (int ii = 0; ii < howmany; ii++) {
for (int i = 0; i < howmany; i++) {
final WAL log =
@@ -195,11 +193,13 @@ public class TestWALFactory {
edit.add(new KeyValue(rowName, family, qualifier,
System.currentTimeMillis(), column));
LOG.info("Region " + i + ": " + edit);
- log.append(htd, infos[i], new WALKey(infos[i].getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), edit, sequenceId, true, null);
+ WALKey walKey = new WALKey(infos[i].getEncodedNameAsBytes(), tableName,
+ System.currentTimeMillis(), mvcc);
+ log.append(htd, infos[i], walKey, edit, true);
+ walKey.getWriteEntry();
}
log.sync();
- log.rollWriter();
+ log.rollWriter(true);
}
}
wals.shutdown();
@@ -214,6 +214,7 @@ public class TestWALFactory {
@Test
public void Broken_testSync() throws Exception {
TableName tableName = TableName.valueOf(currentTest.getMethodName());
+ MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl(1);
// First verify that using streams all works.
Path p = new Path(dir, currentTest.getMethodName() + ".fsdos");
FSDataOutputStream out = fs.create(p);
@@ -238,7 +239,6 @@ public class TestWALFactory {
out.close();
in.close();
- final AtomicLong sequenceId = new AtomicLong(1);
final int total = 20;
WAL.Reader reader = null;
@@ -253,7 +253,7 @@ public class TestWALFactory {
WALEdit kvs = new WALEdit();
kvs.add(new KeyValue(Bytes.toBytes(i), tableName.getName(), tableName.getName()));
wal.append(htd, info, new WALKey(info.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), kvs, sequenceId, true, null);
+ System.currentTimeMillis(), mvcc), kvs, true);
}
// Now call sync and try reading. Opening a Reader before you sync just
// gives you EOFE.
@@ -272,7 +272,7 @@ public class TestWALFactory {
WALEdit kvs = new WALEdit();
kvs.add(new KeyValue(Bytes.toBytes(i), tableName.getName(), tableName.getName()));
wal.append(htd, info, new WALKey(info.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), kvs, sequenceId, true, null);
+ System.currentTimeMillis(), mvcc), kvs, true);
}
wal.sync();
reader = wals.createReader(fs, walPath);
@@ -294,7 +294,7 @@ public class TestWALFactory {
WALEdit kvs = new WALEdit();
kvs.add(new KeyValue(Bytes.toBytes(i), tableName.getName(), value));
wal.append(htd, info, new WALKey(info.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), kvs, sequenceId, true, null);
+ System.currentTimeMillis(), mvcc), kvs, true);
}
// Now I should have written out lots of blocks. Sync then read.
wal.sync();
@@ -364,7 +364,6 @@ public class TestWALFactory {
final WAL wal =
wals.getWAL(regioninfo.getEncodedNameAsBytes(), regioninfo.getTable().getNamespace());
- final AtomicLong sequenceId = new AtomicLong(1);
final int total = 20;
HTableDescriptor htd = new HTableDescriptor();
@@ -374,7 +373,7 @@ public class TestWALFactory {
WALEdit kvs = new WALEdit();
kvs.add(new KeyValue(Bytes.toBytes(i), tableName.getName(), tableName.getName()));
wal.append(htd, regioninfo, new WALKey(regioninfo.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), kvs, sequenceId, true, null);
+ System.currentTimeMillis()), kvs, true);
}
// Now call sync to send the data to HDFS datanodes
wal.sync();
@@ -487,7 +486,7 @@ public class TestWALFactory {
final byte [] row = Bytes.toBytes("row");
WAL.Reader reader = null;
try {
- final AtomicLong sequenceId = new AtomicLong(1);
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl(1);
// Write columns named 1, 2, 3, etc. and then values of single byte
// 1, 2, 3...
@@ -503,8 +502,9 @@ public class TestWALFactory {
final WAL log = wals.getWAL(info.getEncodedNameAsBytes(), info.getTable().getNamespace());
final long txid = log.append(htd, info,
- new WALKey(info.getEncodedNameAsBytes(), htd.getTableName(), System.currentTimeMillis()),
- cols, sequenceId, true, null);
+ new WALKey(info.getEncodedNameAsBytes(), htd.getTableName(), System.currentTimeMillis(),
+ mvcc),
+ cols, true);
log.sync(txid);
log.startCacheFlush(info.getEncodedNameAsBytes(), htd.getFamiliesKeys());
log.completeCacheFlush(info.getEncodedNameAsBytes());
@@ -544,7 +544,7 @@ public class TestWALFactory {
"column"));
final byte [] row = Bytes.toBytes("row");
WAL.Reader reader = null;
- final AtomicLong sequenceId = new AtomicLong(1);
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl(1);
try {
// Write columns named 1, 2, 3, etc. and then values of single byte
// 1, 2, 3...
@@ -559,8 +559,9 @@ public class TestWALFactory {
HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW);
final WAL log = wals.getWAL(hri.getEncodedNameAsBytes(), hri.getTable().getNamespace());
final long txid = log.append(htd, hri,
- new WALKey(hri.getEncodedNameAsBytes(), htd.getTableName(), System.currentTimeMillis()),
- cols, sequenceId, true, null);
+ new WALKey(hri.getEncodedNameAsBytes(), htd.getTableName(), System.currentTimeMillis(),
+ mvcc),
+ cols, true);
log.sync(txid);
log.startCacheFlush(hri.getEncodedNameAsBytes(), htd.getFamiliesKeys());
log.completeCacheFlush(hri.getEncodedNameAsBytes());
@@ -598,7 +599,7 @@ public class TestWALFactory {
TableName.valueOf("tablename");
final byte [] row = Bytes.toBytes("row");
final DumbWALActionsListener visitor = new DumbWALActionsListener();
- final AtomicLong sequenceId = new AtomicLong(1);
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl(1);
long timestamp = System.currentTimeMillis();
HTableDescriptor htd = new HTableDescriptor();
htd.addFamily(new HColumnDescriptor("column"));
@@ -613,7 +614,7 @@ public class TestWALFactory {
Bytes.toBytes(Integer.toString(i)),
timestamp, new byte[]{(byte) (i + '0')}));
log.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), cols, sequenceId, true, null);
+ System.currentTimeMillis(), mvcc), cols, true);
}
log.sync();
assertEquals(COL_COUNT, visitor.increments);
@@ -623,7 +624,7 @@ public class TestWALFactory {
Bytes.toBytes(Integer.toString(11)),
timestamp, new byte[]{(byte) (11 + '0')}));
log.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), cols, sequenceId, true, null);
+ System.currentTimeMillis(), mvcc), cols, true);
log.sync();
assertEquals(COL_COUNT, visitor.increments);
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALReaderOnSecureWAL.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALReaderOnSecureWAL.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALReaderOnSecureWAL.java
index ca9c5d6..613dea3 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALReaderOnSecureWAL.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALReaderOnSecureWAL.java
@@ -21,10 +21,8 @@ import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.io.IOUtils;
-import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.impl.Log4JLogger;
import org.apache.hadoop.conf.Configuration;
@@ -38,10 +36,19 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.io.crypto.KeyProviderForTesting;
import org.apache.hadoop.hbase.protobuf.generated.ZooKeeperProtos.SplitLogTask.RecoveryMode;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
+// imports for things that haven't moved from regionserver.wal yet.
+import org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader;
+import org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter;
+import org.apache.hadoop.hbase.regionserver.wal.SecureProtobufLogReader;
+import org.apache.hadoop.hbase.regionserver.wal.SecureProtobufLogWriter;
+import org.apache.hadoop.hbase.regionserver.wal.SecureWALCellCodec;
+import org.apache.hadoop.hbase.regionserver.wal.WALCellCodec;
+import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.apache.hadoop.hbase.zookeeper.ZKSplitLog;
@@ -52,21 +59,11 @@ import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.TestName;
-// imports for things that haven't moved from regionserver.wal yet.
-import org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader;
-import org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter;
-import org.apache.hadoop.hbase.regionserver.wal.SecureProtobufLogReader;
-import org.apache.hadoop.hbase.regionserver.wal.SecureProtobufLogWriter;
-import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
-import org.apache.hadoop.hbase.regionserver.wal.WALCellCodec;
-import org.apache.hadoop.hbase.regionserver.wal.SecureWALCellCodec;
-
/*
* Test that verifies WAL written by SecureProtobufLogWriter is not readable by ProtobufLogReader
*/
@Category(MediumTests.class)
public class TestWALReaderOnSecureWAL {
- private static final Log LOG = LogFactory.getLog(TestWALReaderOnSecureWAL.class);
static {
((Log4JLogger)LogFactory.getLog("org.apache.hadoop.hbase.regionserver.wal"))
.getLogger().setLevel(Level.ALL);
@@ -103,9 +100,7 @@ public class TestWALReaderOnSecureWAL {
final int total = 10;
final byte[] row = Bytes.toBytes("row");
final byte[] family = Bytes.toBytes("family");
- FileSystem fs = TEST_UTIL.getTestFileSystem();
- Path logDir = TEST_UTIL.getDataTestDir(tblName);
- final AtomicLong sequenceId = new AtomicLong(1);
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl(1);
// Write the WAL
WAL wal =
@@ -114,7 +109,7 @@ public class TestWALReaderOnSecureWAL {
WALEdit kvs = new WALEdit();
kvs.add(new KeyValue(row, family, Bytes.toBytes(i), value));
wal.append(htd, regioninfo, new WALKey(regioninfo.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), kvs, sequenceId, true, null);
+ System.currentTimeMillis(), mvcc), kvs, true);
}
wal.sync();
final Path walPath = DefaultWALProvider.getCurrentFileName(wal);
@@ -149,7 +144,7 @@ public class TestWALReaderOnSecureWAL {
// Confirm the WAL cannot be read back by ProtobufLogReader
try {
- WAL.Reader reader = wals.createReader(TEST_UTIL.getTestFileSystem(), walPath);
+ wals.createReader(TEST_UTIL.getTestFileSystem(), walPath);
assertFalse(true);
} catch (IOException ioe) {
// expected IOE
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/WALPerformanceEvaluation.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/WALPerformanceEvaluation.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/WALPerformanceEvaluation.java
index 64bf319..3af853b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/WALPerformanceEvaluation.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/WALPerformanceEvaluation.java
@@ -19,14 +19,12 @@
package org.apache.hadoop.hbase.wal;
import java.io.IOException;
-import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
-import java.util.UUID;
import java.util.concurrent.TimeUnit;
import org.apache.commons.logging.Log;
@@ -50,16 +48,15 @@ import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.io.crypto.KeyProviderForTesting;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.regionserver.LogRoller;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.trace.HBaseHTraceConfiguration;
import org.apache.hadoop.hbase.trace.SpanReceiverHost;
import org.apache.hadoop.hbase.wal.WALProvider.Writer;
-import org.apache.hadoop.hbase.wal.WAL;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.apache.hadoop.hbase.util.Threads;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
-import org.apache.htrace.HTraceConfiguration;
import org.apache.htrace.Sampler;
import org.apache.htrace.Trace;
import org.apache.htrace.TraceScope;
@@ -99,6 +96,8 @@ public final class WALPerformanceEvaluation extends Configured implements Tool {
private final Histogram latencyHistogram =
metrics.newHistogram(WALPerformanceEvaluation.class, "latencyHistogram", "nanos", true);
+ private final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
+
private HBaseTestingUtility TEST_UTIL;
static final String TABLE_NAME = "WALPerformanceEvaluation";
@@ -179,8 +178,9 @@ public final class WALPerformanceEvaluation extends Configured implements Tool {
WALEdit walEdit = new WALEdit();
addFamilyMapToWALEdit(put.getFamilyCellMap(), walEdit);
HRegionInfo hri = region.getRegionInfo();
- final WALKey logkey = new WALKey(hri.getEncodedNameAsBytes(), hri.getTable(), now);
- wal.append(htd, hri, logkey, walEdit, region.getSequenceId(), true, null);
+ final WALKey logkey =
+ new WALKey(hri.getEncodedNameAsBytes(), hri.getTable(), now, mvcc);
+ wal.append(htd, hri, logkey, walEdit, true);
if (!this.noSync) {
if (++lastSync >= this.syncInterval) {
wal.sync();
[2/5] hbase git commit: HBASE-14465 Backport 'Allow rowlock to be
reader/write' to branch-1
Posted by st...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java
index 33d4e9b..26fa2f8 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java
@@ -112,6 +112,7 @@ import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
+import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@@ -166,7 +167,7 @@ public class TestDistributedLogSplitting {
conf.setInt(HConstants.REGIONSERVER_INFO_PORT, -1);
conf.setFloat(HConstants.LOAD_BALANCER_SLOP_KEY, (float) 100.0); // no load balancing
conf.setInt("hbase.regionserver.wal.max.splitters", 3);
- conf.setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 40);
+ conf.setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);
TEST_UTIL.shutdownMiniHBaseCluster();
TEST_UTIL = new HBaseTestingUtility(conf);
TEST_UTIL.setDFSCluster(dfsCluster);
@@ -202,7 +203,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test (timeout=300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test (timeout=300000)
public void testRecoveredEdits() throws Exception {
LOG.info("testRecoveredEdits");
conf.setLong("hbase.regionserver.hlog.blocksize", 30 * 1024); // create more than one wal
@@ -291,7 +292,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testLogReplayWithNonMetaRSDown() throws Exception {
LOG.info("testLogReplayWithNonMetaRSDown");
conf.setLong("hbase.regionserver.hlog.blocksize", 30 * 1024); // create more than one wal
@@ -336,7 +337,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testNonceRecovery() throws Exception {
LOG.info("testNonceRecovery");
final String TABLE_NAME = "table";
@@ -394,7 +395,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testLogReplayWithMetaRSDown() throws Exception {
LOG.info("testRecoveredEditsReplayWithMetaRSDown");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -462,7 +463,7 @@ public class TestDistributedLogSplitting {
});
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testMasterStartsUpWithLogSplittingWork() throws Exception {
LOG.info("testMasterStartsUpWithLogSplittingWork");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, false);
@@ -520,7 +521,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testMasterStartsUpWithLogReplayWork() throws Exception {
LOG.info("testMasterStartsUpWithLogReplayWork");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -583,7 +584,7 @@ public class TestDistributedLogSplitting {
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testLogReplayTwoSequentialRSDown() throws Exception {
LOG.info("testRecoveredEditsReplayTwoSequentialRSDown");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -667,7 +668,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testMarkRegionsRecoveringInZK() throws Exception {
LOG.info("testMarkRegionsRecoveringInZK");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -717,7 +718,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testReplayCmd() throws Exception {
LOG.info("testReplayCmd");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -763,7 +764,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testLogReplayForDisablingTable() throws Exception {
LOG.info("testLogReplayForDisablingTable");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -910,7 +911,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testDisallowWritesInRecovering() throws Exception {
LOG.info("testDisallowWritesInRecovering");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -996,7 +997,7 @@ public class TestDistributedLogSplitting {
* detects that the region server has aborted.
* @throws Exception
*/
- @Test (timeout=300000)
+ @Ignore ("Disabled because flakey") @Test (timeout=300000)
public void testWorkerAbort() throws Exception {
LOG.info("testWorkerAbort");
startCluster(3);
@@ -1183,7 +1184,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testMetaRecoveryInZK() throws Exception {
LOG.info("testMetaRecoveryInZK");
conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
@@ -1232,7 +1233,7 @@ public class TestDistributedLogSplitting {
zkw.close();
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testSameVersionUpdatesRecovery() throws Exception {
LOG.info("testSameVersionUpdatesRecovery");
conf.setLong("hbase.regionserver.hlog.blocksize", 15 * 1024);
@@ -1300,7 +1301,7 @@ public class TestDistributedLogSplitting {
e.add(new KeyValue(row, family, qualifier, timeStamp, Bytes.toBytes(value)));
wal.append(htd, curRegionInfo,
new HLogKey(curRegionInfo.getEncodedNameAsBytes(), tableName, System.currentTimeMillis()),
- e, sequenceId, true, null);
+ e, true);
}
wal.sync();
wal.shutdown();
@@ -1327,7 +1328,7 @@ public class TestDistributedLogSplitting {
}
}
- @Test(timeout = 300000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 300000)
public void testSameVersionUpdatesRecoveryWithCompaction() throws Exception {
LOG.info("testSameVersionUpdatesRecoveryWithWrites");
conf.setLong("hbase.regionserver.hlog.blocksize", 15 * 1024);
@@ -1395,7 +1396,7 @@ public class TestDistributedLogSplitting {
value++;
e.add(new KeyValue(row, family, qualifier, timeStamp, Bytes.toBytes(value)));
wal.append(htd, curRegionInfo, new HLogKey(curRegionInfo.getEncodedNameAsBytes(),
- tableName, System.currentTimeMillis()), e, sequenceId, true, null);
+ tableName, System.currentTimeMillis()), e, true);
}
wal.sync();
wal.shutdown();
@@ -1608,7 +1609,7 @@ public class TestDistributedLogSplitting {
e.add(new KeyValue(row, family, qualifier, System.currentTimeMillis(), value));
log.append(htd, curRegionInfo,
new HLogKey(curRegionInfo.getEncodedNameAsBytes(), fullTName,
- System.currentTimeMillis()), e, sequenceId, true, null);
+ System.currentTimeMillis()), e, true);
if (0 == i % syncEvery) {
log.sync();
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestSplitLogManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestSplitLogManager.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestSplitLogManager.java
index 5b684e4..df32694 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestSplitLogManager.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestSplitLogManager.java
@@ -77,6 +77,7 @@ import org.apache.zookeeper.ZooDefs.Ids;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
+import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
@@ -638,7 +639,7 @@ public class TestSplitLogManager {
assertTrue("Recovery regions isn't cleaned", recoveringRegions.isEmpty());
}
- @Test(timeout=60000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout=60000)
public void testGetPreviousRecoveryMode() throws Exception {
LOG.info("testGetPreviousRecoveryMode");
SplitLogCounters.resetCounters();
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
index 4f97a2e..dcd963f 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
@@ -101,14 +101,16 @@ public class TestEnableTableHandler {
admin.enableTable(tableName);
assertTrue(admin.isTableEnabled(tableName));
-
JVMClusterUtil.RegionServerThread rs2 = cluster.startRegionServer();
+ LOG.info("Started new regionserver " + rs2.getRegionServer().getServerName());
m.getAssignmentManager().assign(admin.getTableRegions(tableName));
TEST_UTIL.waitUntilAllRegionsAssigned(tableName);
List<HRegionInfo> onlineRegions = admin.getOnlineRegions(
rs2.getRegionServer().getServerName());
- assertEquals(2, onlineRegions.size());
- assertEquals(tableName, onlineRegions.get(1).getTable());
+ for (HRegionInfo hri: onlineRegions) LOG.info("Online " + hri);
+ assertTrue("Does not have at least one region " + onlineRegions.size(),
+ onlineRegions.size() >= 1);
+ assertEquals(tableName, onlineRegions.get(0).getTable());
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestServerCrashProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestServerCrashProcedure.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestServerCrashProcedure.java
index 97512ce..510b017 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestServerCrashProcedure.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestServerCrashProcedure.java
@@ -25,6 +25,7 @@ import java.util.Arrays;
import java.util.Collection;
import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
@@ -44,7 +45,7 @@ import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
/**
- * Runs first with DLS and then with DLR.
+ * It used to first run with DLS and then DLR but HBASE-12751 broke DLR so we disabled it here.
*/
@Category(LargeTests.class)
@RunWith(Parameterized.class)
@@ -53,7 +54,7 @@ public class TestServerCrashProcedure {
// to return sequences of two-element arrays.
@Parameters(name = "{index}: setting={0}")
public static Collection<Object []> data() {
- return Arrays.asList(new Object[] [] {{Boolean.FALSE, -1}, {Boolean.TRUE, -1}});
+ return Arrays.asList(new Object[] [] {{Boolean.FALSE, -1}});
}
private final HBaseTestingUtility util = new HBaseTestingUtility();
@@ -67,8 +68,12 @@ public class TestServerCrashProcedure {
@After
public void tearDown() throws Exception {
- ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(
- this.util.getHBaseCluster().getMaster().getMasterProcedureExecutor(), false);
+ MiniHBaseCluster cluster = this.util.getHBaseCluster();
+ HMaster master = cluster == null? null: cluster.getMaster();
+ if (master != null && master.getMasterProcedureExecutor() != null) {
+ ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(master.getMasterProcedureExecutor(),
+ false);
+ }
this.util.shutdownMiniCluster();
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestAtomicOperation.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestAtomicOperation.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestAtomicOperation.java
index 574e0e9..bc4d96e 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestAtomicOperation.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestAtomicOperation.java
@@ -315,7 +315,6 @@ public class TestAtomicOperation {
*/
@Test
public void testRowMutationMultiThreads() throws IOException {
-
LOG.info("Starting test testRowMutationMultiThreads");
initHRegion(tableName, name.getMethodName(), fam1);
@@ -614,30 +613,33 @@ public class TestAtomicOperation {
}
@Override
- public RowLock getRowLockInternal(final byte[] row, boolean waitForLock) throws IOException {
+ public RowLock getRowLock(final byte[] row, boolean readLock) throws IOException {
if (testStep == TestStep.CHECKANDPUT_STARTED) {
latch.countDown();
}
- return new WrappedRowLock(super.getRowLockInternal(row, waitForLock));
+ return new WrappedRowLock(super.getRowLock(row, readLock));
}
- public class WrappedRowLock extends RowLockImpl {
+ public class WrappedRowLock implements RowLock {
+
+ private final RowLock rowLock;
private WrappedRowLock(RowLock rowLock) {
- setContext(((RowLockImpl)rowLock).getContext());
+ this.rowLock = rowLock;
}
+
@Override
public void release() {
if (testStep == TestStep.INIT) {
- super.release();
+ this.rowLock.release();
return;
}
if (testStep == TestStep.PUT_STARTED) {
try {
testStep = TestStep.PUT_COMPLETED;
- super.release();
+ this.rowLock.release();
// put has been written to the memstore and the row lock has been released, but the
// MVCC has not been advanced. Prior to fixing HBASE-7051, the following order of
// operations would cause the non-atomicity to show up:
@@ -655,7 +657,7 @@ public class TestAtomicOperation {
}
}
else if (testStep == TestStep.CHECKANDPUT_STARTED) {
- super.release();
+ this.rowLock.release();
}
}
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkLoad.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkLoad.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkLoad.java
index aa57e22..1e10511 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkLoad.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkLoad.java
@@ -18,6 +18,20 @@
package org.apache.hadoop.hbase.regionserver;
+import static java.util.Arrays.asList;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.Path;
@@ -28,7 +42,6 @@ import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.io.hfile.HFile;
import org.apache.hadoop.hbase.io.hfile.HFileContext;
@@ -36,6 +49,7 @@ import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.BulkLoadDescriptor;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.StoreDescriptor;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
+import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.hadoop.hbase.wal.WAL;
@@ -44,6 +58,8 @@ import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import org.jmock.Expectations;
+import org.jmock.api.Action;
+import org.jmock.api.Invocation;
import org.jmock.integration.junit4.JUnitRuleMockery;
import org.jmock.lib.concurrent.Synchroniser;
import org.junit.Before;
@@ -54,21 +70,6 @@ import org.junit.experimental.categories.Category;
import org.junit.rules.TemporaryFolder;
import org.junit.rules.TestName;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Random;
-import java.util.concurrent.atomic.AtomicLong;
-
-import static java.util.Arrays.asList;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
/**
* This class attempts to unit test bulk HLog loading.
*/
@@ -91,13 +92,35 @@ public class TestBulkLoad {
@Rule
public TestName name = new TestName();
+ private static class AppendAction implements Action {
+ @Override
+ public void describeTo(Description arg0) {
+ // TODO Auto-generated method stub
+ }
+
+ @Override
+ public Object invoke(Invocation invocation) throws Throwable {
+ WALKey walKey = (WALKey)invocation.getParameter(2);
+ MultiVersionConcurrencyControl mvcc = walKey.getMvcc();
+ if (mvcc != null) {
+ MultiVersionConcurrencyControl.WriteEntry we = mvcc.begin();
+ walKey.setWriteEntry(we);
+ }
+ return 01L;
+ }
+
+ public static Action append(Object... args) {
+ return new AppendAction();
+ }
+ }
+
public TestBulkLoad() throws IOException {
callOnce = new Expectations() {
{
oneOf(log).append(with(any(HTableDescriptor.class)), with(any(HRegionInfo.class)),
with(any(WALKey.class)), with(bulkLogWalEditType(WALEdit.BULK_LOAD)),
- with(any(AtomicLong.class)), with(any(boolean.class)), with(any(List.class)));
- will(returnValue(0l));
+ with(any(boolean.class)));
+ will(AppendAction.append());
oneOf(log).sync(with(any(long.class)));
}
};
@@ -106,6 +129,7 @@ public class TestBulkLoad {
@Before
public void before() throws IOException {
random.nextBytes(randomBytes);
+ // Mockito.when(log.append(htd, info, key, edits, inMemstore));
}
@Test
@@ -122,9 +146,8 @@ public class TestBulkLoad {
Expectations expection = new Expectations() {
{
oneOf(log).append(with(any(HTableDescriptor.class)), with(any(HRegionInfo.class)),
- with(any(WALKey.class)), with(bulkEventMatcher),
- with(any(AtomicLong.class)), with(any(boolean.class)), with(any(List.class)));
- will(returnValue(0l));
+ with(any(WALKey.class)), with(bulkEventMatcher), with(any(boolean.class)));
+ will(new AppendAction());
oneOf(log).sync(with(any(long.class)));
}
};
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java
index 602a045..b8adf40 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java
@@ -119,7 +119,7 @@ public class TestDefaultMemStore extends TestCase {
scanner.close();
}
- memstorescanners = this.memstore.getScanners(mvcc.memstoreReadPoint());
+ memstorescanners = this.memstore.getScanners(mvcc.getReadPoint());
// Now assert can count same number even if a snapshot mid-scan.
s = new StoreScanner(scan, scanInfo, scanType, null, memstorescanners);
count = 0;
@@ -144,7 +144,7 @@ public class TestDefaultMemStore extends TestCase {
for (KeyValueScanner scanner : memstorescanners) {
scanner.close();
}
- memstorescanners = this.memstore.getScanners(mvcc.memstoreReadPoint());
+ memstorescanners = this.memstore.getScanners(mvcc.getReadPoint());
// Assert that new values are seen in kvset as we scan.
long ts = System.currentTimeMillis();
s = new StoreScanner(scan, scanInfo, scanType, null, memstorescanners);
@@ -209,7 +209,7 @@ public class TestDefaultMemStore extends TestCase {
private void verifyScanAcrossSnapshot2(KeyValue kv1, KeyValue kv2)
throws IOException {
- List<KeyValueScanner> memstorescanners = this.memstore.getScanners(mvcc.memstoreReadPoint());
+ List<KeyValueScanner> memstorescanners = this.memstore.getScanners(mvcc.getReadPoint());
assertEquals(1, memstorescanners.size());
final KeyValueScanner scanner = memstorescanners.get(0);
scanner.seek(KeyValueUtil.createFirstOnRow(HConstants.EMPTY_START_ROW));
@@ -244,31 +244,31 @@ public class TestDefaultMemStore extends TestCase {
final byte[] v = Bytes.toBytes("value");
MultiVersionConcurrencyControl.WriteEntry w =
- mvcc.beginMemstoreInsertWithSeqNum(this.startSeqNum.incrementAndGet());
+ mvcc.begin();
KeyValue kv1 = new KeyValue(row, f, q1, v);
kv1.setSequenceId(w.getWriteNumber());
memstore.add(kv1);
- KeyValueScanner s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ KeyValueScanner s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{});
- mvcc.completeMemstoreInsert(w);
+ mvcc.completeAndWait(w);
- s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv1});
- w = mvcc.beginMemstoreInsertWithSeqNum(this.startSeqNum.incrementAndGet());
+ w = mvcc.begin();
KeyValue kv2 = new KeyValue(row, f, q2, v);
kv2.setSequenceId(w.getWriteNumber());
memstore.add(kv2);
- s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv1});
- mvcc.completeMemstoreInsert(w);
+ mvcc.completeAndWait(w);
- s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv1, kv2});
}
@@ -288,7 +288,7 @@ public class TestDefaultMemStore extends TestCase {
// INSERT 1: Write both columns val1
MultiVersionConcurrencyControl.WriteEntry w =
- mvcc.beginMemstoreInsertWithSeqNum(this.startSeqNum.incrementAndGet());
+ mvcc.begin();
KeyValue kv11 = new KeyValue(row, f, q1, v1);
kv11.setSequenceId(w.getWriteNumber());
@@ -297,14 +297,14 @@ public class TestDefaultMemStore extends TestCase {
KeyValue kv12 = new KeyValue(row, f, q2, v1);
kv12.setSequenceId(w.getWriteNumber());
memstore.add(kv12);
- mvcc.completeMemstoreInsert(w);
+ mvcc.completeAndWait(w);
// BEFORE STARTING INSERT 2, SEE FIRST KVS
- KeyValueScanner s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ KeyValueScanner s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv11, kv12});
// START INSERT 2: Write both columns val2
- w = mvcc.beginMemstoreInsertWithSeqNum(this.startSeqNum.incrementAndGet());
+ w = mvcc.begin();
KeyValue kv21 = new KeyValue(row, f, q1, v2);
kv21.setSequenceId(w.getWriteNumber());
memstore.add(kv21);
@@ -314,16 +314,16 @@ public class TestDefaultMemStore extends TestCase {
memstore.add(kv22);
// BEFORE COMPLETING INSERT 2, SEE FIRST KVS
- s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv11, kv12});
// COMPLETE INSERT 2
- mvcc.completeMemstoreInsert(w);
+ mvcc.completeAndWait(w);
// NOW SHOULD SEE NEW KVS IN ADDITION TO OLD KVS.
// See HBASE-1485 for discussion about what we should do with
// the duplicate-TS inserts
- s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv21, kv11, kv22, kv12});
}
@@ -340,7 +340,7 @@ public class TestDefaultMemStore extends TestCase {
final byte[] v1 = Bytes.toBytes("value1");
// INSERT 1: Write both columns val1
MultiVersionConcurrencyControl.WriteEntry w =
- mvcc.beginMemstoreInsertWithSeqNum(this.startSeqNum.incrementAndGet());
+ mvcc.begin();
KeyValue kv11 = new KeyValue(row, f, q1, v1);
kv11.setSequenceId(w.getWriteNumber());
@@ -349,28 +349,28 @@ public class TestDefaultMemStore extends TestCase {
KeyValue kv12 = new KeyValue(row, f, q2, v1);
kv12.setSequenceId(w.getWriteNumber());
memstore.add(kv12);
- mvcc.completeMemstoreInsert(w);
+ mvcc.completeAndWait(w);
// BEFORE STARTING INSERT 2, SEE FIRST KVS
- KeyValueScanner s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ KeyValueScanner s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv11, kv12});
// START DELETE: Insert delete for one of the columns
- w = mvcc.beginMemstoreInsertWithSeqNum(this.startSeqNum.incrementAndGet());
+ w = mvcc.begin();
KeyValue kvDel = new KeyValue(row, f, q2, kv11.getTimestamp(),
KeyValue.Type.DeleteColumn);
kvDel.setSequenceId(w.getWriteNumber());
memstore.add(kvDel);
// BEFORE COMPLETING DELETE, SEE FIRST KVS
- s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv11, kv12});
// COMPLETE DELETE
- mvcc.completeMemstoreInsert(w);
+ mvcc.completeAndWait(w);
// NOW WE SHOULD SEE DELETE
- s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
assertScannerResults(s, new KeyValue[]{kv11, kvDel, kv12});
}
@@ -414,7 +414,7 @@ public class TestDefaultMemStore extends TestCase {
private void internalRun() throws IOException {
for (long i = 0; i < NUM_TRIES && caughtException.get() == null; i++) {
MultiVersionConcurrencyControl.WriteEntry w =
- mvcc.beginMemstoreInsertWithSeqNum(this.startSeqNum.incrementAndGet());
+ mvcc.begin();
// Insert the sequence value (i)
byte[] v = Bytes.toBytes(i);
@@ -422,10 +422,10 @@ public class TestDefaultMemStore extends TestCase {
KeyValue kv = new KeyValue(row, f, q1, i, v);
kv.setSequenceId(w.getWriteNumber());
memstore.add(kv);
- mvcc.completeMemstoreInsert(w);
+ mvcc.completeAndWait(w);
// Assert that we can read back
- KeyValueScanner s = this.memstore.getScanners(mvcc.memstoreReadPoint()).get(0);
+ KeyValueScanner s = this.memstore.getScanners(mvcc.getReadPoint()).get(0);
s.seek(kv);
Cell ret = s.next();
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java
index 5b9f63e..7368cd2 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java
@@ -56,9 +56,9 @@ import java.util.Map;
import java.util.NavigableMap;
import java.util.TreeMap;
import java.util.UUID;
+import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.commons.lang.RandomStringUtils;
@@ -167,6 +167,8 @@ import org.junit.rules.TestName;
import org.mockito.ArgumentCaptor;
import org.mockito.ArgumentMatcher;
import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
@@ -648,7 +650,7 @@ public class TestHRegion {
}
long seqId = region.replayRecoveredEditsIfAny(regiondir, maxSeqIdInStores, null, status);
assertEquals(maxSeqId, seqId);
- region.getMVCC().initialize(seqId);
+ region.getMVCC().advanceTo(seqId);
Get get = new Get(row);
Result result = region.get(get);
for (long i = minSeqId; i <= maxSeqId; i += 10) {
@@ -702,7 +704,7 @@ public class TestHRegion {
}
long seqId = region.replayRecoveredEditsIfAny(regiondir, maxSeqIdInStores, null, status);
assertEquals(maxSeqId, seqId);
- region.getMVCC().initialize(seqId);
+ region.getMVCC().advanceTo(seqId);
Get get = new Get(row);
Result result = region.get(get);
for (long i = minSeqId; i <= maxSeqId; i += 10) {
@@ -870,7 +872,7 @@ public class TestHRegion {
.getRegionFileSystem().getStoreDir(Bytes.toString(family)));
WALUtil.writeCompactionMarker(region.getWAL(), this.region.getTableDesc(),
- this.region.getRegionInfo(), compactionDescriptor, new AtomicLong(1));
+ this.region.getRegionInfo(), compactionDescriptor, region.getMVCC());
Path recoveredEditsDir = WALSplitter.getRegionDirRecoveredEditsDir(regiondir);
@@ -1151,27 +1153,15 @@ public class TestHRegion {
} catch (IOException expected) {
// expected
}
- // The WAL is hosed. It has failed an append and a sync. It has an exception stuck in it
- // which it will keep returning until we roll the WAL to prevent any further appends going
- // in or syncs succeeding on top of failed appends, a no-no.
- wal.rollWriter(true);
+ // The WAL is hosed now. It has two edits appended. We cannot roll the log without it
+ // throwing a DroppedSnapshotException to force an abort. Just clean up the mess.
+ region.close(true);
+ wal.close();
// 2. Test case where START_FLUSH succeeds but COMMIT_FLUSH will throw exception
wal.flushActions = new FlushAction [] {FlushAction.COMMIT_FLUSH};
-
- try {
- region.flush(true);
- fail("This should have thrown exception");
- } catch (DroppedSnapshotException expected) {
- // we expect this exception, since we were able to write the snapshot, but failed to
- // write the flush marker to WAL
- } catch (IOException unexpected) {
- throw unexpected;
- }
-
- region.close();
- // Roll WAL to clean out any exceptions stuck in it. See note above where we roll WAL.
- wal.rollWriter(true);
+ wal = new FailAppendFlushMarkerWAL(FileSystem.get(walConf), FSUtils.getRootDir(walConf),
+ getName(), walConf);
this.region = initHRegion(tableName.getName(), HConstants.EMPTY_START_ROW,
HConstants.EMPTY_END_ROW, method, CONF, false, Durability.USE_DEFAULT, wal, family);
region.put(put);
@@ -1526,14 +1516,19 @@ public class TestHRegion {
LOG.info("batchPut will have to break into four batches to avoid row locks");
RowLock rowLock1 = region.getRowLock(Bytes.toBytes("row_2"));
- RowLock rowLock2 = region.getRowLock(Bytes.toBytes("row_4"));
- RowLock rowLock3 = region.getRowLock(Bytes.toBytes("row_6"));
+ RowLock rowLock2 = region.getRowLock(Bytes.toBytes("row_1"));
+ RowLock rowLock3 = region.getRowLock(Bytes.toBytes("row_3"));
+ RowLock rowLock4 = region.getRowLock(Bytes.toBytes("row_3"), true);
+
MultithreadedTestUtil.TestContext ctx = new MultithreadedTestUtil.TestContext(CONF);
final AtomicReference<OperationStatus[]> retFromThread = new AtomicReference<OperationStatus[]>();
+ final CountDownLatch startingPuts = new CountDownLatch(1);
+ final CountDownLatch startingClose = new CountDownLatch(1);
TestThread putter = new TestThread(ctx) {
@Override
public void doWork() throws IOException {
+ startingPuts.countDown();
retFromThread.set(region.batchMutate(puts));
}
};
@@ -1541,43 +1536,38 @@ public class TestHRegion {
ctx.addThread(putter);
ctx.startThreads();
- LOG.info("...waiting for put thread to sync 1st time");
- waitForCounter(source, "syncTimeNumOps", syncs + 1);
-
// Now attempt to close the region from another thread. Prior to HBASE-12565
// this would cause the in-progress batchMutate operation to to fail with
// exception because it use to release and re-acquire the close-guard lock
// between batches. Caller then didn't get status indicating which writes succeeded.
// We now expect this thread to block until the batchMutate call finishes.
- Thread regionCloseThread = new Thread() {
+ Thread regionCloseThread = new TestThread(ctx) {
@Override
- public void run() {
+ public void doWork() {
try {
- HRegion.closeHRegion(region);
+ startingPuts.await();
+ // Give some time for the batch mutate to get in.
+ // We don't want to race with the mutate
+ Thread.sleep(10);
+ startingClose.countDown();
+ HBaseTestingUtility.closeRegionAndWAL(region);
} catch (IOException e) {
throw new RuntimeException(e);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
}
}
};
regionCloseThread.start();
+ startingClose.await();
+ startingPuts.await();
+ Thread.sleep(100);
LOG.info("...releasing row lock 1, which should let put thread continue");
rowLock1.release();
-
- LOG.info("...waiting for put thread to sync 2nd time");
- waitForCounter(source, "syncTimeNumOps", syncs + 2);
-
- LOG.info("...releasing row lock 2, which should let put thread continue");
rowLock2.release();
-
- LOG.info("...waiting for put thread to sync 3rd time");
- waitForCounter(source, "syncTimeNumOps", syncs + 3);
-
- LOG.info("...releasing row lock 3, which should let put thread continue");
rowLock3.release();
-
- LOG.info("...waiting for put thread to sync 4th time");
- waitForCounter(source, "syncTimeNumOps", syncs + 4);
+ waitForCounter(source, "syncTimeNumOps", syncs + 1);
LOG.info("...joining on put thread");
ctx.stop();
@@ -1588,6 +1578,7 @@ public class TestHRegion {
assertEquals((i == 5) ? OperationStatusCode.BAD_FAMILY : OperationStatusCode.SUCCESS,
codes[i].getOperationStatusCode());
}
+ rowLock4.release();
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
@@ -3751,6 +3742,10 @@ public class TestHRegion {
private volatile boolean done;
private Throwable error = null;
+ FlushThread() {
+ super("FlushThread");
+ }
+
public void done() {
done = true;
synchronized (this) {
@@ -3781,20 +3776,21 @@ public class TestHRegion {
region.flush(true);
} catch (IOException e) {
if (!done) {
- LOG.error("Error while flusing cache", e);
+ LOG.error("Error while flushing cache", e);
error = e;
}
break;
+ } catch (Throwable t) {
+ LOG.error("Uncaught exception", t);
+ throw t;
}
}
-
}
public void flush() {
synchronized (this) {
notify();
}
-
}
}
@@ -3876,6 +3872,7 @@ public class TestHRegion {
flushThread.checkNoError();
} finally {
try {
+ LOG.info("Before close: " + this.region.getMVCC());
HRegion.closeHRegion(this.region);
} catch (DroppedSnapshotException dse) {
// We could get this on way out because we interrupt the background flusher and it could
@@ -3897,6 +3894,7 @@ public class TestHRegion {
private byte[][] qualifiers;
private PutThread(int numRows, byte[][] families, byte[][] qualifiers) {
+ super("PutThread");
this.numRows = numRows;
this.families = families;
this.qualifiers = qualifiers;
@@ -3952,8 +3950,9 @@ public class TestHRegion {
}
} catch (InterruptedIOException e) {
// This is fine. It means we are done, or didn't get the lock on time
+ LOG.info("Interrupted", e);
} catch (IOException e) {
- LOG.error("error while putting records", e);
+ LOG.error("Error while putting records", e);
error = e;
break;
}
@@ -4741,7 +4740,6 @@ public class TestHRegion {
}
- @SuppressWarnings("unchecked")
private void durabilityTest(String method, Durability tableDurability,
Durability mutationDurability, long timeout, boolean expectAppend, final boolean expectSync,
final boolean expectSyncFromLogSyncer) throws Exception {
@@ -4766,7 +4764,7 @@ public class TestHRegion {
//verify append called or not
verify(wal, expectAppend ? times(1) : never())
.append((HTableDescriptor)any(), (HRegionInfo)any(), (WALKey)any(),
- (WALEdit)any(), (AtomicLong)any(), Mockito.anyBoolean(), (List<Cell>)any());
+ (WALEdit)any(), Mockito.anyBoolean());
// verify sync called or not
if (expectSync || expectSyncFromLogSyncer) {
@@ -5871,7 +5869,6 @@ public class TestHRegion {
}
@Test
- @SuppressWarnings("unchecked")
public void testOpenRegionWrittenToWAL() throws Exception {
final ServerName serverName = ServerName.valueOf("testOpenRegionWrittenToWAL", 100, 42);
final RegionServerServices rss = spy(TEST_UTIL.createMockRegionServerService(serverName));
@@ -5898,7 +5895,7 @@ public class TestHRegion {
ArgumentCaptor<WALEdit> editCaptor = ArgumentCaptor.forClass(WALEdit.class);
// capture append() calls
- WAL wal = mock(WAL.class);
+ WAL wal = mockWAL();
when(rss.getWAL((HRegionInfo) any())).thenReturn(wal);
try {
@@ -5906,7 +5903,7 @@ public class TestHRegion {
TEST_UTIL.getConfiguration(), rss, null);
verify(wal, times(1)).append((HTableDescriptor)any(), (HRegionInfo)any(), (WALKey)any()
- , editCaptor.capture(), (AtomicLong)any(), anyBoolean(), (List<Cell>)any());
+ , editCaptor.capture(), anyBoolean());
WALEdit edit = editCaptor.getValue();
assertNotNull(edit);
@@ -5971,8 +5968,8 @@ public class TestHRegion {
,sf.getReader().getHFileReader().getFileContext().isIncludesTags());
}
}
+
@Test
- @SuppressWarnings("unchecked")
public void testOpenRegionWrittenToWALForLogReplay() throws Exception {
// similar to the above test but with distributed log replay
final ServerName serverName = ServerName.valueOf("testOpenRegionWrittenToWALForLogReplay",
@@ -6000,7 +5997,7 @@ public class TestHRegion {
ArgumentCaptor<WALEdit> editCaptor = ArgumentCaptor.forClass(WALEdit.class);
// capture append() calls
- WAL wal = mock(WAL.class);
+ WAL wal = mockWAL();
when(rss.getWAL((HRegionInfo) any())).thenReturn(wal);
// add the region to recovering regions
@@ -6017,7 +6014,7 @@ public class TestHRegion {
// verify that we have not appended region open event to WAL because this region is still
// recovering
verify(wal, times(0)).append((HTableDescriptor)any(), (HRegionInfo)any(), (WALKey)any()
- , editCaptor.capture(), (AtomicLong)any(), anyBoolean(), (List<Cell>)any());
+ , editCaptor.capture(), anyBoolean());
// not put the region out of recovering state
new FinishRegionRecoveringHandler(rss, region.getRegionInfo().getEncodedName(), "/foo")
@@ -6025,7 +6022,7 @@ public class TestHRegion {
// now we should have put the entry
verify(wal, times(1)).append((HTableDescriptor)any(), (HRegionInfo)any(), (WALKey)any()
- , editCaptor.capture(), (AtomicLong)any(), anyBoolean(), (List<Cell>)any());
+ , editCaptor.capture(), anyBoolean());
WALEdit edit = editCaptor.getValue();
assertNotNull(edit);
@@ -6060,8 +6057,30 @@ public class TestHRegion {
}
}
+ /**
+ * Utility method to setup a WAL mock.
+ * Needs to do the bit where we close latch on the WALKey on append else test hangs.
+ * @return
+ * @throws IOException
+ */
+ private WAL mockWAL() throws IOException {
+ WAL wal = mock(WAL.class);
+ Mockito.when(wal.append((HTableDescriptor)Mockito.any(), (HRegionInfo)Mockito.any(),
+ (WALKey)Mockito.any(), (WALEdit)Mockito.any(), Mockito.anyBoolean())).
+ thenAnswer(new Answer<Long>() {
+ @Override
+ public Long answer(InvocationOnMock invocation) throws Throwable {
+ WALKey key = invocation.getArgumentAt(2, WALKey.class);
+ MultiVersionConcurrencyControl.WriteEntry we = key.getMvcc().begin();
+ key.setWriteEntry(we);
+ return 1L;
+ }
+
+ });
+ return wal;
+ }
+
@Test
- @SuppressWarnings("unchecked")
public void testCloseRegionWrittenToWAL() throws Exception {
final ServerName serverName = ServerName.valueOf("testCloseRegionWrittenToWAL", 100, 42);
final RegionServerServices rss = spy(TEST_UTIL.createMockRegionServerService(serverName));
@@ -6071,14 +6090,15 @@ public class TestHRegion {
htd.addFamily(new HColumnDescriptor(fam1));
htd.addFamily(new HColumnDescriptor(fam2));
- HRegionInfo hri = new HRegionInfo(htd.getTableName(),
+ final HRegionInfo hri = new HRegionInfo(htd.getTableName(),
HConstants.EMPTY_BYTE_ARRAY, HConstants.EMPTY_BYTE_ARRAY);
ArgumentCaptor<WALEdit> editCaptor = ArgumentCaptor.forClass(WALEdit.class);
// capture append() calls
- WAL wal = mock(WAL.class);
+ WAL wal = mockWAL();
when(rss.getWAL((HRegionInfo) any())).thenReturn(wal);
+
// open a region first so that it can be closed later
region = HRegion.openHRegion(hri, htd, rss.getWAL(hri),
@@ -6089,7 +6109,7 @@ public class TestHRegion {
// 2 times, one for region open, the other close region
verify(wal, times(2)).append((HTableDescriptor)any(), (HRegionInfo)any(), (WALKey)any(),
- editCaptor.capture(), (AtomicLong)any(), anyBoolean(), (List<Cell>)any());
+ editCaptor.capture(), anyBoolean());
WALEdit edit = editCaptor.getAllValues().get(1);
assertNotNull(edit);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionReplayEvents.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionReplayEvents.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionReplayEvents.java
index b100b9d..78b5b31 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionReplayEvents.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionReplayEvents.java
@@ -35,7 +35,6 @@ import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.UUID;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -761,7 +760,7 @@ public class TestHRegionReplayEvents {
// ensure all files are visible in secondary
for (Store store : secondaryRegion.getStores()) {
- assertTrue(store.getMaxSequenceId() <= secondaryRegion.getSequenceId().get());
+ assertTrue(store.getMaxSequenceId() <= secondaryRegion.getSequenceId());
}
LOG.info("-- Replaying flush commit in secondary" + commitFlushDesc);
@@ -1058,7 +1057,7 @@ public class TestHRegionReplayEvents {
// TODO: what to do with this?
// assert that the newly picked up flush file is visible
- long readPoint = secondaryRegion.getMVCC().memstoreReadPoint();
+ long readPoint = secondaryRegion.getMVCC().getReadPoint();
assertEquals(flushSeqId, readPoint);
// after replay verify that everything is still visible
@@ -1076,7 +1075,7 @@ public class TestHRegionReplayEvents {
HRegion region = initHRegion(tableName, method, family);
try {
// replay an entry that is bigger than current read point
- long readPoint = region.getMVCC().memstoreReadPoint();
+ long readPoint = region.getMVCC().getReadPoint();
long origSeqId = readPoint + 100;
Put put = new Put(row).add(family, row, row);
@@ -1087,7 +1086,7 @@ public class TestHRegionReplayEvents {
assertGet(region, family, row);
// region seqId should have advanced at least to this seqId
- assertEquals(origSeqId, region.getSequenceId().get());
+ assertEquals(origSeqId, region.getSequenceId());
// replay an entry that is smaller than current read point
// caution: adding an entry below current read point might cause partial dirty reads. Normal
@@ -1116,7 +1115,7 @@ public class TestHRegionReplayEvents {
// test for region open and close
secondaryRegion = HRegion.openHRegion(secondaryHri, htd, walSecondary, CONF, rss, null);
verify(walSecondary, times(0)).append((HTableDescriptor)any(), (HRegionInfo)any(),
- (WALKey)any(), (WALEdit)any(), (AtomicLong)any(), anyBoolean(), (List<Cell>) any());
+ (WALKey)any(), (WALEdit)any(), anyBoolean());
// test for replay prepare flush
putDataByReplay(secondaryRegion, 0, 10, cq, families);
@@ -1130,11 +1129,11 @@ public class TestHRegionReplayEvents {
.build());
verify(walSecondary, times(0)).append((HTableDescriptor)any(), (HRegionInfo)any(),
- (WALKey)any(), (WALEdit)any(), (AtomicLong)any(), anyBoolean(), (List<Cell>) any());
+ (WALKey)any(), (WALEdit)any(), anyBoolean());
secondaryRegion.close();
verify(walSecondary, times(0)).append((HTableDescriptor)any(), (HRegionInfo)any(),
- (WALKey)any(), (WALEdit)any(), (AtomicLong)any(), anyBoolean(), (List<Cell>) any());
+ (WALKey)any(), (WALEdit)any(), anyBoolean());
}
/**
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestKeepDeletes.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestKeepDeletes.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestKeepDeletes.java
index 853e0fa..0af913f 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestKeepDeletes.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestKeepDeletes.java
@@ -20,6 +20,7 @@ package org.apache.hadoop.hbase.regionserver;
import static org.apache.hadoop.hbase.HBaseTestingUtility.COLUMNS;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@@ -245,6 +246,14 @@ public class TestKeepDeletes {
Put p = new Put(T1, ts);
p.add(c0, c0, T1);
region.put(p);
+
+ Get gOne = new Get(T1);
+ gOne.setMaxVersions();
+ gOne.setTimeRange(0L, ts + 1);
+ Result rOne = region.get(gOne);
+ assertFalse(rOne.isEmpty());
+
+
Delete d = new Delete(T1, ts+2);
d.deleteColumn(c0, c0, ts);
region.delete(d);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControl.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControl.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControl.java
index 992cafc..3413d44 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControl.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControl.java
@@ -49,7 +49,7 @@ public class TestMultiVersionConcurrencyControl extends TestCase {
AtomicLong startPoint = new AtomicLong();
while (!finished.get()) {
MultiVersionConcurrencyControl.WriteEntry e =
- mvcc.beginMemstoreInsertWithSeqNum(startPoint.incrementAndGet());
+ mvcc.begin();
// System.out.println("Begin write: " + e.getWriteNumber());
// 10 usec - 500usec (including 0)
int sleepTime = rnd.nextInt(500);
@@ -60,7 +60,7 @@ public class TestMultiVersionConcurrencyControl extends TestCase {
} catch (InterruptedException e1) {
}
try {
- mvcc.completeMemstoreInsert(e);
+ mvcc.completeAndWait(e);
} catch (RuntimeException ex) {
// got failure
System.out.println(ex.toString());
@@ -83,9 +83,9 @@ public class TestMultiVersionConcurrencyControl extends TestCase {
final AtomicLong failedAt = new AtomicLong();
Runnable reader = new Runnable() {
public void run() {
- long prev = mvcc.memstoreReadPoint();
+ long prev = mvcc.getReadPoint();
while (!finished.get()) {
- long newPrev = mvcc.memstoreReadPoint();
+ long newPrev = mvcc.getReadPoint();
if (newPrev < prev) {
// serious problem.
System.out.println("Reader got out of order, prev: " + prev + " next was: " + newPrev);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControlBasic.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControlBasic.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControlBasic.java
index b22e046..f2ce85b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControlBasic.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiVersionConcurrencyControlBasic.java
@@ -18,7 +18,6 @@
package org.apache.hadoop.hbase.regionserver;
import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.Test;
@@ -33,30 +32,13 @@ public class TestMultiVersionConcurrencyControlBasic {
@Test
public void testSimpleMvccOps() {
MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
- long readPoint = mvcc.memstoreReadPoint();
- MultiVersionConcurrencyControl.WriteEntry writeEntry = mvcc.beginMemstoreInsert();
- mvcc.completeMemstoreInsert(writeEntry);
- long readPoint2 = mvcc.memstoreReadPoint();
- assertEquals(readPoint, readPoint2);
- long seqid = 238;
- writeEntry = mvcc.beginMemstoreInsertWithSeqNum(seqid);
- mvcc.completeMemstoreInsert(writeEntry);
- assertEquals(seqid, mvcc.memstoreReadPoint());
- writeEntry = mvcc.beginMemstoreInsertWithSeqNum(seqid + 1);
- assertTrue(mvcc.advanceMemstore(writeEntry));
- assertEquals(seqid + 1, mvcc.memstoreReadPoint());
+ long readPoint = mvcc.getReadPoint();
+ MultiVersionConcurrencyControl.WriteEntry writeEntry = mvcc.begin();
+ mvcc.completeAndWait(writeEntry);
+ assertEquals(readPoint + 1, mvcc.getReadPoint());
+ writeEntry = mvcc.begin();
+ // The write point advances even though we may have 'failed'... call complete on fail.
+ mvcc.complete(writeEntry);
+ assertEquals(readPoint + 2, mvcc.getWritePoint());
}
-
- @Test
- public void testCancel() {
- long seqid = 238;
- MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
- MultiVersionConcurrencyControl.WriteEntry writeEntry =
- mvcc.beginMemstoreInsertWithSeqNum(seqid);
- assertTrue(mvcc.advanceMemstore(writeEntry));
- assertEquals(seqid, mvcc.memstoreReadPoint());
- writeEntry = mvcc.beginMemstoreInsertWithSeqNum(seqid + 1);
- mvcc.cancelMemstoreInsert(writeEntry);
- assertEquals(seqid, mvcc.memstoreReadPoint());
- }
-}
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java
index 1ccb392..56e2707 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java
@@ -55,6 +55,7 @@ import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.JVMClusterUtil;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.hadoop.hbase.wal.WAL;
+import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@@ -417,7 +418,7 @@ public class TestPerColumnFamilyFlush {
// In distributed log replay, the log splitters ask the master for the
// last flushed sequence id for a region. This test would ensure that we
// are doing the book-keeping correctly.
- @Test(timeout = 180000)
+ @Ignore("DLR is broken by HBASE-12751") @Test(timeout = 180000)
public void testLogReplayWithDistributedReplay() throws Exception {
TEST_UTIL.getConfiguration().setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
doTestLogReplay();
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicaFailover.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicaFailover.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicaFailover.java
index fab092e..9e216d5 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicaFailover.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicaFailover.java
@@ -95,7 +95,7 @@ public class TestRegionReplicaFailover {
@Parameters
public static Collection<Object[]> getParameters() {
Object[][] params =
- new Boolean[][] { {true}, {false} };
+ new Boolean[][] { /*{true}, Disable DLR!!! It is going to be removed*/ {false} };
return Arrays.asList(params);
}
@@ -105,6 +105,8 @@ public class TestRegionReplicaFailover {
@Before
public void before() throws Exception {
Configuration conf = HTU.getConfiguration();
+ // Up the handlers; this test needs more than usual.
+ conf.setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);
conf.setBoolean(HConstants.REPLICATION_ENABLE_KEY, true);
conf.setBoolean(ServerRegionReplicaUtil.REGION_REPLICA_REPLICATION_CONF_KEY, true);
conf.setBoolean(ServerRegionReplicaUtil.REGION_REPLICA_WAIT_FOR_PRIMARY_FLUSH_CONF_KEY, true);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileRefresherChore.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileRefresherChore.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileRefresherChore.java
index ed76b92..ab9236d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileRefresherChore.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileRefresherChore.java
@@ -157,7 +157,7 @@ public class TestStoreFileRefresherChore {
}
}
- @Test (timeout = 60000)
+ @Test
public void testIsStale() throws IOException {
int period = 0;
byte[][] families = new byte[][] {Bytes.toBytes("cf")};
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
index d9670e7..fd9e266 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
@@ -23,8 +23,6 @@ import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
import java.util.concurrent.CountDownLatch;
import org.apache.commons.logging.Log;
@@ -32,8 +30,6 @@ import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.CellScanner;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HTableDescriptor;
@@ -213,21 +209,15 @@ public class TestWALLockup {
put.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes("1"), bytes);
WALKey key = new WALKey(region.getRegionInfo().getEncodedNameAsBytes(), htd.getTableName());
WALEdit edit = new WALEdit();
- List<Cell> cells = new ArrayList<Cell>();
- for (CellScanner cs = put.cellScanner(); cs.advance();) {
- edit.add(cs.current());
- cells.add(cs.current());
- }
// Put something in memstore and out in the WAL. Do a big number of appends so we push
// out other side of the ringbuffer. If small numbers, stuff doesn't make it to WAL
for (int i = 0; i < 1000; i++) {
- dodgyWAL.append(htd, region.getRegionInfo(), key, edit, region.getSequenceId(), true,
- cells);
+ dodgyWAL.append(htd, region.getRegionInfo(), key, edit, true);
}
// Set it so we start throwing exceptions.
dodgyWAL.throwException = true;
// This append provokes a WAL roll.
- dodgyWAL.append(htd, region.getRegionInfo(), key, edit, region.getSequenceId(), true, cells);
+ dodgyWAL.append(htd, region.getRegionInfo(), key, edit, true);
boolean exception = false;
try {
dodgyWAL.sync();
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestFSHLog.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestFSHLog.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestFSHLog.java
index b3b520a..059d697 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestFSHLog.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestFSHLog.java
@@ -29,7 +29,6 @@ import java.util.Comparator;
import java.util.List;
import java.util.Set;
import java.util.UUID;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.lang.mutable.MutableBoolean;
import org.apache.commons.logging.Log;
@@ -54,6 +53,7 @@ import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
import org.apache.hadoop.hbase.coprocessor.SampleRegionWALObserver;
import org.apache.hadoop.hbase.regionserver.HRegion;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdge;
@@ -150,15 +150,21 @@ public class TestFSHLog {
}
}
- protected void addEdits(WAL log, HRegionInfo hri, HTableDescriptor htd, int times,
- AtomicLong sequenceId) throws IOException {
+ protected void addEdits(WAL log,
+ HRegionInfo hri,
+ HTableDescriptor htd,
+ int times,
+ MultiVersionConcurrencyControl mvcc)
+ throws IOException {
final byte[] row = Bytes.toBytes("row");
for (int i = 0; i < times; i++) {
long timestamp = System.currentTimeMillis();
WALEdit cols = new WALEdit();
cols.add(new KeyValue(row, row, row, timestamp, row));
- log.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), htd.getTableName(), timestamp),
- cols, sequenceId, true, null);
+ WALKey key = new WALKey(hri.getEncodedNameAsBytes(), htd.getTableName(),
+ WALKey.NO_SEQUENCE_ID, timestamp, WALKey.EMPTY_UUIDS, HConstants.NO_NONCE,
+ HConstants.NO_NONCE, mvcc);
+ log.append(htd, hri, key, cols, true);
}
log.sync();
}
@@ -251,15 +257,13 @@ public class TestFSHLog {
new HRegionInfo(t1.getTableName(), HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW);
HRegionInfo hri2 =
new HRegionInfo(t2.getTableName(), HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW);
- // variables to mock region sequenceIds
- final AtomicLong sequenceId1 = new AtomicLong(1);
- final AtomicLong sequenceId2 = new AtomicLong(1);
// add edits and roll the wal
+ MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
try {
- addEdits(wal, hri1, t1, 2, sequenceId1);
+ addEdits(wal, hri1, t1, 2, mvcc);
wal.rollWriter();
// add some more edits and roll the wal. This would reach the log number threshold
- addEdits(wal, hri1, t1, 2, sequenceId1);
+ addEdits(wal, hri1, t1, 2, mvcc);
wal.rollWriter();
// with above rollWriter call, the max logs limit is reached.
assertTrue(wal.getNumRolledLogFiles() == 2);
@@ -270,7 +274,7 @@ public class TestFSHLog {
assertEquals(1, regionsToFlush.length);
assertEquals(hri1.getEncodedNameAsBytes(), regionsToFlush[0]);
// insert edits in second region
- addEdits(wal, hri2, t2, 2, sequenceId2);
+ addEdits(wal, hri2, t2, 2, mvcc);
// get the regions to flush, it should still read region1.
regionsToFlush = wal.findRegionsToForceFlush();
assertEquals(regionsToFlush.length, 1);
@@ -287,12 +291,12 @@ public class TestFSHLog {
// no wal should remain now.
assertEquals(0, wal.getNumRolledLogFiles());
// add edits both to region 1 and region 2, and roll.
- addEdits(wal, hri1, t1, 2, sequenceId1);
- addEdits(wal, hri2, t2, 2, sequenceId2);
+ addEdits(wal, hri1, t1, 2, mvcc);
+ addEdits(wal, hri2, t2, 2, mvcc);
wal.rollWriter();
// add edits and roll the writer, to reach the max logs limit.
assertEquals(1, wal.getNumRolledLogFiles());
- addEdits(wal, hri1, t1, 2, sequenceId1);
+ addEdits(wal, hri1, t1, 2, mvcc);
wal.rollWriter();
// it should return two regions to flush, as the oldest wal file has entries
// for both regions.
@@ -304,7 +308,7 @@ public class TestFSHLog {
wal.rollWriter(true);
assertEquals(0, wal.getNumRolledLogFiles());
// Add an edit to region1, and roll the wal.
- addEdits(wal, hri1, t1, 2, sequenceId1);
+ addEdits(wal, hri1, t1, 2, mvcc);
// tests partial flush: roll on a partial flush, and ensure that wal is not archived.
wal.startCacheFlush(hri1.getEncodedNameAsBytes(), t1.getFamiliesKeys());
wal.rollWriter();
@@ -397,18 +401,18 @@ public class TestFSHLog {
for (int i = 0; i < countPerFamily; i++) {
final HRegionInfo info = region.getRegionInfo();
final WALKey logkey = new WALKey(info.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis(), clusterIds, -1, -1);
- wal.append(htd, info, logkey, edits, region.getSequenceId(), true, null);
+ System.currentTimeMillis(), clusterIds, -1, -1, region.getMVCC());
+ wal.append(htd, info, logkey, edits, true);
}
region.flush(true);
// FlushResult.flushSequenceId is not visible here so go get the current sequence id.
- long currentSequenceId = region.getSequenceId().get();
+ long currentSequenceId = region.getSequenceId();
// Now release the appends
goslow.setValue(false);
synchronized (goslow) {
goslow.notifyAll();
}
- assertTrue(currentSequenceId >= region.getSequenceId().get());
+ assertTrue(currentSequenceId >= region.getSequenceId());
} finally {
region.close(true);
wal.close();
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollAbort.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollAbort.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollAbort.java
index bb840fe..2ccf12b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollAbort.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollAbort.java
@@ -17,13 +17,10 @@
*/
package org.apache.hadoop.hbase.regionserver.wal;
+import static org.junit.Assert.assertTrue;
+
import java.io.FileNotFoundException;
import java.io.IOException;
-import java.util.concurrent.atomic.AtomicLong;
-
-import org.apache.hadoop.hbase.client.Table;
-import org.junit.Assert;
-import static org.junit.Assert.assertTrue;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -36,13 +33,15 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Admin;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.apache.hadoop.hbase.wal.DefaultWALProvider;
@@ -52,6 +51,7 @@ import org.apache.hadoop.hbase.wal.WALKey;
import org.apache.hadoop.hbase.wal.WALSplitter;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.junit.After;
+import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
@@ -194,8 +194,7 @@ public class TestLogRollAbort {
HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW);
final WAL log = wals.getWAL(regioninfo.getEncodedNameAsBytes(),
regioninfo.getTable().getNamespace());
-
- final AtomicLong sequenceId = new AtomicLong(1);
+ MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl(1);
final int total = 20;
for (int i = 0; i < total; i++) {
@@ -204,7 +203,7 @@ public class TestLogRollAbort {
HTableDescriptor htd = new HTableDescriptor(tableName);
htd.addFamily(new HColumnDescriptor("column"));
log.append(htd, regioninfo, new WALKey(regioninfo.getEncodedNameAsBytes(), tableName,
- System.currentTimeMillis()), kvs, sequenceId, true, null);
+ System.currentTimeMillis(), mvcc), kvs, true);
}
// Send the data to HDFS datanodes and close the HDFS writer
log.sync();
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollingNoCluster.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollingNoCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollingNoCluster.java
index fec2cc5..7ce3615 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollingNoCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollingNoCluster.java
@@ -20,7 +20,6 @@ package org.apache.hadoop.hbase.regionserver.wal;
import static org.junit.Assert.assertFalse;
import java.io.IOException;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -31,8 +30,9 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
+import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSTableDescriptors;
import org.apache.hadoop.hbase.util.FSUtils;
@@ -121,7 +121,7 @@ public class TestLogRollingNoCluster {
@Override
public void run() {
this.log.info(getName() +" started");
- final AtomicLong sequenceId = new AtomicLong(1);
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
try {
for (int i = 0; i < this.count; i++) {
long now = System.currentTimeMillis();
@@ -136,7 +136,7 @@ public class TestLogRollingNoCluster {
final FSTableDescriptors fts = new FSTableDescriptors(TEST_UTIL.getConfiguration());
final HTableDescriptor htd = fts.get(TableName.META_TABLE_NAME);
final long txid = wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(),
- TableName.META_TABLE_NAME, now), edit, sequenceId, true, null);
+ TableName.META_TABLE_NAME, now, mvcc), edit, true);
wal.sync(txid);
}
String msg = getName() + " finished";
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
index d3aad03..3eba637 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
@@ -87,7 +87,6 @@ public class TestWALActionsListener {
list.add(observer);
final WALFactory wals = new WALFactory(conf, list, "testActionListener");
DummyWALActionsListener laterobserver = new DummyWALActionsListener();
- final AtomicLong sequenceId = new AtomicLong(1);
HRegionInfo hri = new HRegionInfo(TableName.valueOf(SOME_BYTES),
SOME_BYTES, SOME_BYTES, false);
final WAL wal = wals.getWAL(hri.getEncodedNameAsBytes(), hri.getTable().getNamespace());
@@ -101,7 +100,7 @@ public class TestWALActionsListener {
htd.addFamily(new HColumnDescriptor(b));
final long txid = wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(),
- TableName.valueOf(b), 0), edit, sequenceId, true, null);
+ TableName.valueOf(b), 0), edit, true);
wal.sync(txid);
if (i == 10) {
wal.registerWALActionsListener(laterobserver);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALReplay.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALReplay.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALReplay.java
index ba30262..e703f3c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALReplay.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALReplay.java
@@ -33,7 +33,6 @@ import java.util.List;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -67,17 +66,7 @@ import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.master.HMaster;
import org.apache.hadoop.hbase.monitoring.MonitoredTask;
import org.apache.hadoop.hbase.protobuf.generated.ZooKeeperProtos.SplitLogTask.RecoveryMode;
-import org.apache.hadoop.hbase.regionserver.DefaultStoreEngine;
-import org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher;
-import org.apache.hadoop.hbase.regionserver.FlushRequestListener;
-import org.apache.hadoop.hbase.regionserver.FlushRequester;
-import org.apache.hadoop.hbase.regionserver.HRegion;
-import org.apache.hadoop.hbase.regionserver.HRegionServer;
-import org.apache.hadoop.hbase.regionserver.MemStoreSnapshot;
-import org.apache.hadoop.hbase.regionserver.Region;
-import org.apache.hadoop.hbase.regionserver.RegionScanner;
-import org.apache.hadoop.hbase.regionserver.RegionServerServices;
-import org.apache.hadoop.hbase.regionserver.Store;
+import org.apache.hadoop.hbase.regionserver.*;
import org.apache.hadoop.hbase.security.User;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdge;
@@ -281,6 +270,8 @@ public class TestWALReplay {
// Ensure edits are replayed properly.
final TableName tableName =
TableName.valueOf("test2727");
+
+ MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
HRegionInfo hri = createBasic3FamilyHRegionInfo(tableName);
Path basedir = FSUtils.getTableDir(hbaseRootDir, tableName);
deleteDir(basedir);
@@ -293,10 +284,10 @@ public class TestWALReplay {
WAL wal1 = createWAL(this.conf);
// Add 1k to each family.
final int countPerFamily = 1000;
- final AtomicLong sequenceId = new AtomicLong(1);
+
for (HColumnDescriptor hcd: htd.getFamilies()) {
addWALEdits(tableName, hri, rowName, hcd.getName(), countPerFamily, ee,
- wal1, htd, sequenceId);
+ wal1, htd, mvcc);
}
wal1.shutdown();
runWALSplit(this.conf);
@@ -305,7 +296,7 @@ public class TestWALReplay {
// Add 1k to each family.
for (HColumnDescriptor hcd: htd.getFamilies()) {
addWALEdits(tableName, hri, rowName, hcd.getName(), countPerFamily,
- ee, wal2, htd, sequenceId);
+ ee, wal2, htd, mvcc);
}
wal2.shutdown();
runWALSplit(this.conf);
@@ -316,10 +307,10 @@ public class TestWALReplay {
long seqid = region.getOpenSeqNum();
// The regions opens with sequenceId as 1. With 6k edits, its sequence number reaches 6k + 1.
// When opened, this region would apply 6k edits, and increment the sequenceId by 1
- assertTrue(seqid > sequenceId.get());
- assertEquals(seqid - 1, sequenceId.get());
+ assertTrue(seqid > mvcc.getWritePoint());
+ assertEquals(seqid - 1, mvcc.getWritePoint());
LOG.debug("region.getOpenSeqNum(): " + region.getOpenSeqNum() + ", wal3.id: "
- + sequenceId.get());
+ + mvcc.getReadPoint());
// TODO: Scan all.
region.close();
@@ -775,6 +766,7 @@ public class TestWALReplay {
public void testReplayEditsWrittenIntoWAL() throws Exception {
final TableName tableName =
TableName.valueOf("testReplayEditsWrittenIntoWAL");
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
final HRegionInfo hri = createBasic3FamilyHRegionInfo(tableName);
final Path basedir = FSUtils.getTableDir(hbaseRootDir, tableName);
deleteDir(basedir);
@@ -786,14 +778,13 @@ public class TestWALReplay {
final WAL wal = createWAL(this.conf);
final byte[] rowName = tableName.getName();
final byte[] regionName = hri.getEncodedNameAsBytes();
- final AtomicLong sequenceId = new AtomicLong(1);
// Add 1k to each family.
final int countPerFamily = 1000;
Set<byte[]> familyNames = new HashSet<byte[]>();
for (HColumnDescriptor hcd: htd.getFamilies()) {
addWALEdits(tableName, hri, rowName, hcd.getName(), countPerFamily,
- ee, wal, htd, sequenceId);
+ ee, wal, htd, mvcc);
familyNames.add(hcd.getName());
}
@@ -806,16 +797,13 @@ public class TestWALReplay {
long now = ee.currentTime();
edit.add(new KeyValue(rowName, Bytes.toBytes("another family"), rowName,
now, rowName));
- wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, now), edit, sequenceId,
- true, null);
+ wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, now, mvcc), edit, true);
// Delete the c family to verify deletes make it over.
edit = new WALEdit();
now = ee.currentTime();
- edit.add(new KeyValue(rowName, Bytes.toBytes("c"), null, now,
- KeyValue.Type.DeleteFamily));
- wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, now), edit, sequenceId,
- true, null);
+ edit.add(new KeyValue(rowName, Bytes.toBytes("c"), null, now, KeyValue.Type.DeleteFamily));
+ wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, now, mvcc), edit, true);
// Sync.
wal.sync();
@@ -847,12 +835,17 @@ public class TestWALReplay {
Mockito.mock(MonitoredTask.class), writeFlushWalMarker);
flushcount.incrementAndGet();
return fs;
- };
+ }
};
+ // The seq id this region has opened up with
long seqid = region.initialize();
+
+ // The mvcc readpoint of from inserting data.
+ long writePoint = mvcc.getWritePoint();
+
// We flushed during init.
assertTrue("Flushcount=" + flushcount.get(), flushcount.get() > 0);
- assertTrue(seqid - 1 == sequenceId.get());
+ assertTrue((seqid - 1) == writePoint);
Get get = new Get(rowName);
Result result = region.get(get);
@@ -894,7 +887,7 @@ public class TestWALReplay {
for (HColumnDescriptor hcd : htd.getFamilies()) {
addRegionEdits(rowName, hcd.getName(), 5, this.ee, region, "x");
}
- long lastestSeqNumber = region.getSequenceId().get();
+ long lastestSeqNumber = region.getSequenceId();
// get the current seq no
wal.doCompleteCacheFlush = true;
// allow complete cache flush with the previous seq number got after first
@@ -997,7 +990,7 @@ public class TestWALReplay {
private void addWALEdits(final TableName tableName, final HRegionInfo hri, final byte[] rowName,
final byte[] family, final int count, EnvironmentEdge ee, final WAL wal,
- final HTableDescriptor htd, final AtomicLong sequenceId)
+ final HTableDescriptor htd, final MultiVersionConcurrencyControl mvcc)
throws IOException {
String familyStr = Bytes.toString(family);
for (int j = 0; j < count; j++) {
@@ -1006,8 +999,8 @@ public class TestWALReplay {
WALEdit edit = new WALEdit();
edit.add(new KeyValue(rowName, family, qualifierBytes,
ee.currentTime(), columnBytes));
- wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, ee.currentTime()),
- edit, sequenceId, true, null);
+ wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName,999, mvcc),
+ edit, true);
}
wal.sync();
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
index 67d7894..9f7f36d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
@@ -31,7 +31,6 @@ import java.util.SortedSet;
import java.util.TreeSet;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -52,6 +51,7 @@ import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.ClusterConnection;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
import org.apache.hadoop.hbase.replication.ReplicationFactory;
@@ -189,9 +189,9 @@ public class TestReplicationSourceManager {
@Test
public void testLogRoll() throws Exception {
- long seq = 0;
long baseline = 1000;
long time = baseline;
+ MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
KeyValue kv = new KeyValue(r1, f1, r1);
WALEdit edit = new WALEdit();
edit.add(kv);
@@ -201,7 +201,6 @@ public class TestReplicationSourceManager {
final WALFactory wals = new WALFactory(utility.getConfiguration(), listeners,
URLEncoder.encode("regionserver:60020", "UTF8"));
final WAL wal = wals.getWAL(hri.getEncodedNameAsBytes(), hri.getTable().getNamespace());
- final AtomicLong sequenceId = new AtomicLong(1);
manager.init();
HTableDescriptor htd = new HTableDescriptor();
htd.addFamily(new HColumnDescriptor(f1));
@@ -211,8 +210,11 @@ public class TestReplicationSourceManager {
wal.rollWriter();
}
LOG.info(i);
- final long txid = wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), test,
- System.currentTimeMillis()), edit, sequenceId, true ,null);
+ final long txid = wal.append(htd,
+ hri,
+ new WALKey(hri.getEncodedNameAsBytes(), test, System.currentTimeMillis(), mvcc),
+ edit,
+ true);
wal.sync(txid);
}
@@ -224,8 +226,10 @@ public class TestReplicationSourceManager {
LOG.info(baseline + " and " + time);
for (int i = 0; i < 3; i++) {
- wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), test,
- System.currentTimeMillis()), edit, sequenceId, true, null);
+ wal.append(htd, hri,
+ new WALKey(hri.getEncodedNameAsBytes(), test, System.currentTimeMillis(), mvcc),
+ edit,
+ true);
}
wal.sync();
@@ -240,8 +244,10 @@ public class TestReplicationSourceManager {
manager.logPositionAndCleanOldLogs(manager.getSources().get(0).getCurrentPath(),
"1", 0, false, false);
- wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), test,
- System.currentTimeMillis()), edit, sequenceId, true, null);
+ wal.append(htd, hri,
+ new WALKey(hri.getEncodedNameAsBytes(), test, System.currentTimeMillis(), mvcc),
+ edit,
+ true);
wal.sync();
assertEquals(1, manager.getWALs().size());
[5/5] hbase git commit: HBASE-14465 Backport 'Allow rowlock to be
reader/write' to branch-1
Posted by st...@apache.org.
HBASE-14465 Backport 'Allow rowlock to be reader/write' to branch-1
Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/4812d9a1
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/4812d9a1
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/4812d9a1
Branch: refs/heads/branch-1
Commit: 4812d9a178fc0f06d248702c22b96318475d982a
Parents: 2ff8580
Author: stack <st...@apache.org>
Authored: Wed Sep 30 11:48:46 2015 -0700
Committer: stack <st...@apache.org>
Committed: Wed Sep 30 11:48:46 2015 -0700
----------------------------------------------------------------------
.../org/apache/hadoop/hbase/HConstants.java | 7 +-
.../rest/model/NamespacesInstanceModel.java | 8 +-
.../hbase/rest/model/NamespacesModel.java | 2 +-
.../ZKSplitLogManagerCoordination.java | 8 +-
.../hadoop/hbase/io/hfile/HFileBlockIndex.java | 2 +-
.../hadoop/hbase/regionserver/HRegion.java | 1090 +++++++++---------
.../hadoop/hbase/regionserver/HStore.java | 4 +-
.../MultiVersionConcurrencyControl.java | 332 +++---
.../hadoop/hbase/regionserver/wal/FSHLog.java | 62 +-
.../hbase/regionserver/wal/FSWALEntry.java | 38 +-
.../hadoop/hbase/regionserver/wal/HLogKey.java | 40 +-
.../hbase/regionserver/wal/ReplayHLogKey.java | 11 +-
.../regionserver/wal/SequenceFileLogReader.java | 7 +-
.../hadoop/hbase/regionserver/wal/WALEdit.java | 5 +-
.../hadoop/hbase/regionserver/wal/WALUtil.java | 102 +-
.../apache/hadoop/hbase/util/HashedBytes.java | 2 +-
.../hadoop/hbase/wal/DisabledWALProvider.java | 2 +-
.../java/org/apache/hadoop/hbase/wal/WAL.java | 17 +-
.../org/apache/hadoop/hbase/wal/WALKey.java | 169 ++-
.../apache/hadoop/hbase/wal/WALSplitter.java | 2 +-
.../hadoop/hbase/TestFullLogReconstruction.java | 4 +-
.../org/apache/hadoop/hbase/TestIOFencing.java | 16 +-
.../hadoop/hbase/client/TestReplicasClient.java | 1 -
.../coprocessor/TestRegionObserverStacking.java | 4 +-
.../hbase/coprocessor/TestWALObserver.java | 29 +-
.../hbase/mapreduce/TestHLogRecordReader.java | 4 +-
.../hbase/mapreduce/TestWALRecordReader.java | 25 +-
.../master/TestDistributedLogSplitting.java | 39 +-
.../hbase/master/TestSplitLogManager.java | 3 +-
.../master/handler/TestEnableTableHandler.java | 8 +-
.../procedure/TestServerCrashProcedure.java | 13 +-
.../hbase/regionserver/TestAtomicOperation.java | 18 +-
.../hadoop/hbase/regionserver/TestBulkLoad.java | 65 +-
.../hbase/regionserver/TestDefaultMemStore.java | 56 +-
.../hadoop/hbase/regionserver/TestHRegion.java | 140 ++-
.../regionserver/TestHRegionReplayEvents.java | 15 +-
.../hbase/regionserver/TestKeepDeletes.java | 9 +
.../TestMultiVersionConcurrencyControl.java | 8 +-
...TestMultiVersionConcurrencyControlBasic.java | 36 +-
.../regionserver/TestPerColumnFamilyFlush.java | 3 +-
.../regionserver/TestRegionReplicaFailover.java | 4 +-
.../TestStoreFileRefresherChore.java | 2 +-
.../hbase/regionserver/TestWALLockup.java | 14 +-
.../hbase/regionserver/wal/TestFSHLog.java | 42 +-
.../regionserver/wal/TestLogRollAbort.java | 17 +-
.../wal/TestLogRollingNoCluster.java | 8 +-
.../wal/TestWALActionsListener.java | 3 +-
.../hbase/regionserver/wal/TestWALReplay.java | 57 +-
.../TestReplicationSourceManager.java | 24 +-
.../TestReplicationWALReaderManager.java | 38 +-
...isibilityLabelsWithDistributedLogReplay.java | 55 -
.../apache/hadoop/hbase/wal/FaultyFSLog.java | 4 +-
.../hbase/wal/TestDefaultWALProvider.java | 42 +-
.../wal/TestDefaultWALProviderWithHLogKey.java | 2 +-
.../apache/hadoop/hbase/wal/TestSecureWAL.java | 3 +-
.../apache/hadoop/hbase/wal/TestWALFactory.java | 59 +-
.../hbase/wal/TestWALReaderOnSecureWAL.java | 31 +-
.../hbase/wal/WALPerformanceEvaluation.java | 12 +-
58 files changed, 1462 insertions(+), 1361 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
index 6af2faa..64bd8c5 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
@@ -411,7 +411,10 @@ public final class HConstants {
// should go down.
- /** The hbase:meta table's name. */
+ /**
+ * The hbase:meta table's name.
+ * @deprecated For upgrades of 0.94 to 0.96
+ */
@Deprecated // for compat from 0.94 -> 0.96.
public static final byte[] META_TABLE_NAME = TableName.META_TABLE_NAME.getName();
@@ -588,7 +591,7 @@ public final class HConstants {
* 1, 2, 3, 5, 10, 20, 40, 100, 100, 100.
* With 100ms, a back-off of 200 means 20s
*/
- public static final int RETRY_BACKOFF[] = {1, 2, 3, 5, 10, 20, 40, 100, 100, 100, 100, 200, 200};
+ public static final int [] RETRY_BACKOFF = {1, 2, 3, 5, 10, 20, 40, 100, 100, 100, 100, 200, 200};
public static final String REGION_IMPL = "hbase.hregion.impl";
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesInstanceModel.java
----------------------------------------------------------------------
diff --git a/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesInstanceModel.java b/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesInstanceModel.java
index d8528ef..b31ecf9 100644
--- a/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesInstanceModel.java
+++ b/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesInstanceModel.java
@@ -67,7 +67,7 @@ public class NamespacesInstanceModel implements Serializable, ProtobufMessageHan
/**
* Constructor to use if namespace does not exist in HBASE.
- * @param namespaceName: the namespace name.
+ * @param namespaceName the namespace name.
* @throws IOException
*/
public NamespacesInstanceModel(String namespaceName) throws IOException {
@@ -76,8 +76,8 @@ public class NamespacesInstanceModel implements Serializable, ProtobufMessageHan
/**
* Constructor
- * @param admin: the administrative API
- * @param namespaceName: the namespace name.
+ * @param admin the administrative API
+ * @param namespaceName the namespace name.
* @throws IOException
*/
public NamespacesInstanceModel(Admin admin, String namespaceName) throws IOException {
@@ -95,7 +95,7 @@ public class NamespacesInstanceModel implements Serializable, ProtobufMessageHan
/**
* Add property to the namespace.
- * @param key: attribute name
+ * @param key attribute name
* @param value attribute value
*/
public void addProperty(String key, String value) {
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesModel.java
----------------------------------------------------------------------
diff --git a/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesModel.java b/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesModel.java
index 7b8f3b7..d6a5685 100644
--- a/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesModel.java
+++ b/hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesModel.java
@@ -61,7 +61,7 @@ public class NamespacesModel implements Serializable, ProtobufMessageHandler {
/**
* Constructor
- * @param admin: the administrative API
+ * @param admin the administrative API
* @throws IOException
*/
public NamespacesModel(Admin admin) throws IOException {
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/coordination/ZKSplitLogManagerCoordination.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/coordination/ZKSplitLogManagerCoordination.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/coordination/ZKSplitLogManagerCoordination.java
index 3cf9160..802f643 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/coordination/ZKSplitLogManagerCoordination.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/coordination/ZKSplitLogManagerCoordination.java
@@ -878,13 +878,7 @@ public class ZKSplitLogManagerCoordination extends ZooKeeperListener implements
* @return true when distributed log replay is turned on
*/
private boolean isDistributedLogReplay(Configuration conf) {
- boolean dlr =
- conf.getBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY,
- HConstants.DEFAULT_DISTRIBUTED_LOG_REPLAY_CONFIG);
- if (LOG.isDebugEnabled()) {
- LOG.debug("Distributed log replay=" + dlr);
- }
- return dlr;
+ return false;
}
private boolean resubmit(ServerName serverName, String path, int version) {
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java
index 48ce693..1c315e9 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java
@@ -51,7 +51,7 @@ import org.apache.hadoop.util.StringUtils;
/**
* Provides functionality to write ({@link BlockIndexWriter}) and read
- * ({@link BlockIndexReader})
+ * BlockIndexReader
* single-level and multi-level block indexes.
*
* Examples of how to use the block index writer can be found in
[3/5] hbase git commit: HBASE-14465 Backport 'Allow rowlock to be
reader/write' to branch-1
Posted by st...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
index 454b9cc..0857fdf 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
@@ -631,7 +631,7 @@ public class HStore implements Store {
// readers might pick it up. This assumes that the store is not getting any writes (otherwise
// in-flight transactions might be made visible)
if (!toBeAddedFiles.isEmpty()) {
- region.getMVCC().advanceMemstoreReadPointIfNeeded(this.getMaxSequenceId());
+ region.getMVCC().advanceTo(this.getMaxSequenceId());
}
// notify scanners, close file readers, and recompute store size
@@ -1288,7 +1288,7 @@ public class HStore implements Store {
CompactionDescriptor compactionDescriptor = ProtobufUtil.toCompactionDescriptor(info,
family.getName(), inputPaths, outputPaths, fs.getStoreDir(getFamily().getNameAsString()));
WALUtil.writeCompactionMarker(region.getWAL(), this.region.getTableDesc(),
- this.region.getRegionInfo(), compactionDescriptor, this.region.getSequenceId());
+ this.region.getRegionInfo(), compactionDescriptor, region.getMVCC());
}
@VisibleForTesting
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.java
index 2d65387..00f349e 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.java
@@ -18,239 +18,204 @@
*/
package org.apache.hadoop.hbase.regionserver;
-import java.io.IOException;
import java.util.LinkedList;
import java.util.concurrent.atomic.AtomicLong;
+import com.google.common.annotations.VisibleForTesting;
+
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.ClassSize;
+import org.mortbay.log.Log;
/**
- * Manages the read/write consistency within memstore. This provides
- * an interface for readers to determine what entries to ignore, and
- * a mechanism for writers to obtain new write numbers, then "commit"
+ * Manages the read/write consistency. This provides an interface for readers to determine what
+ * entries to ignore, and a mechanism for writers to obtain new write numbers, then "commit"
* the new writes for readers to read (thus forming atomic transactions).
*/
@InterfaceAudience.Private
public class MultiVersionConcurrencyControl {
- private static final long NO_WRITE_NUMBER = 0;
- private volatile long memstoreRead = 0;
+ final AtomicLong readPoint = new AtomicLong(0);
+ final AtomicLong writePoint = new AtomicLong(0);
private final Object readWaiters = new Object();
+ /**
+ * Represents no value, or not set.
+ */
+ public static final long NONE = -1;
// This is the pending queue of writes.
- private final LinkedList<WriteEntry> writeQueue =
- new LinkedList<WriteEntry>();
+ //
+ // TODO(eclark): Should this be an array of fixed size to
+ // reduce the number of allocations on the write path?
+ // This could be equal to the number of handlers + a small number.
+ // TODO: St.Ack 20150903 Sounds good to me.
+ private final LinkedList<WriteEntry> writeQueue = new LinkedList<WriteEntry>();
- /**
- * Default constructor. Initializes the memstoreRead/Write points to 0.
- */
public MultiVersionConcurrencyControl() {
+ super();
}
/**
- * Initializes the memstoreRead/Write points appropriately.
- * @param startPoint
+ * Construct and set read point. Write point is uninitialized.
*/
- public void initialize(long startPoint) {
- synchronized (writeQueue) {
- writeQueue.clear();
- memstoreRead = startPoint;
- }
+ public MultiVersionConcurrencyControl(long startPoint) {
+ tryAdvanceTo(startPoint, NONE);
}
/**
- *
- * @param initVal The value we used initially and expected it'll be reset later
- * @return WriteEntry instance.
+ * Step the MVCC forward on to a new read/write basis.
+ * @param newStartPoint
*/
- WriteEntry beginMemstoreInsert() {
- return beginMemstoreInsertWithSeqNum(NO_WRITE_NUMBER);
+ public void advanceTo(long newStartPoint) {
+ while (true) {
+ long seqId = this.getWritePoint();
+ if (seqId >= newStartPoint) break;
+ if (this.tryAdvanceTo(/* newSeqId = */ newStartPoint, /* expected = */ seqId)) break;
+ }
}
/**
- * Get a mvcc write number before an actual one(its log sequence Id) being assigned
- * @param sequenceId
- * @return long a faked write number which is bigger enough not to be seen by others before a real
- * one is assigned
+ * Step the MVCC forward on to a new read/write basis.
+ * @param newStartPoint Point to move read and write points to.
+ * @param expected If not -1 (#NONE)
+ * @return Returns false if <code>expected</code> is not equal to the
+ * current <code>readPoint</code> or if <code>startPoint</code> is less than current
+ * <code>readPoint</code>
*/
- public static long getPreAssignedWriteNumber(AtomicLong sequenceId) {
- // the 1 billion is just an arbitrary big number to guard no scanner will reach it before
- // current MVCC completes. Theoretically the bump only needs to be 2 * the number of handlers
- // because each handler could increment sequence num twice and max concurrent in-flight
- // transactions is the number of RPC handlers.
- // We can't use Long.MAX_VALUE because we still want to maintain the ordering when multiple
- // changes touch same row key.
- // If for any reason, the bumped value isn't reset due to failure situations, we'll reset
- // curSeqNum to NO_WRITE_NUMBER in order NOT to advance memstore read point at all.
- // St.Ack 20150901 Where is the reset to NO_WRITE_NUMBER done?
- return sequenceId.incrementAndGet() + 1000000000;
+ boolean tryAdvanceTo(long newStartPoint, long expected) {
+ synchronized (writeQueue) {
+ long currentRead = this.readPoint.get();
+ long currentWrite = this.writePoint.get();
+ if (currentRead != currentWrite) {
+ throw new RuntimeException("Already used this mvcc; currentRead=" + currentRead +
+ ", currentWrite=" + currentWrite + "; too late to tryAdvanceTo");
+ }
+ if (expected != NONE && expected != currentRead) {
+ return false;
+ }
+
+ if (newStartPoint < currentRead) {
+ return false;
+ }
+
+ readPoint.set(newStartPoint);
+ writePoint.set(newStartPoint);
+ }
+ return true;
}
/**
- * This function starts a MVCC transaction with current region's log change sequence number. Since
- * we set change sequence number when flushing current change to WAL(late binding), the flush
- * order may differ from the order to start a MVCC transaction. For example, a change begins a
- * MVCC firstly may complete later than a change which starts MVCC at a later time. Therefore, we
- * add a safe bumper to the passed in sequence number to start a MVCC so that no other concurrent
- * transactions will reuse the number till current MVCC completes(success or fail). The "faked"
- * big number is safe because we only need it to prevent current change being seen and the number
- * will be reset to real sequence number(set in log sync) right before we complete a MVCC in order
- * for MVCC to align with flush sequence.
- * @param curSeqNum
- * @return WriteEntry a WriteEntry instance with the passed in curSeqNum
+ * Start a write transaction. Create a new {@link WriteEntry} with a new write number and add it
+ * to our queue of ongoing writes. Return this WriteEntry instance.
+ * To complete the write transaction and wait for it to be visible, call
+ * {@link #completeAndWait(WriteEntry)}. If the write failed, call
+ * {@link #complete(WriteEntry)} so we can clean up AFTER removing ALL trace of the failed write
+ * transaction.
+ * @see #complete(WriteEntry)
+ * @see #completeAndWait(WriteEntry)
*/
- public WriteEntry beginMemstoreInsertWithSeqNum(long curSeqNum) {
- WriteEntry e = new WriteEntry(curSeqNum);
+ public WriteEntry begin() {
synchronized (writeQueue) {
+ long nextWriteNumber = writePoint.incrementAndGet();
+ WriteEntry e = new WriteEntry(nextWriteNumber);
writeQueue.add(e);
return e;
}
}
/**
- * Complete a {@link WriteEntry} that was created by
- * {@link #beginMemstoreInsertWithSeqNum(long)}. At the end of this call, the global read
- * point is at least as large as the write point of the passed in WriteEntry. Thus, the write is
- * visible to MVCC readers.
- * @throws IOException
- */
- public void completeMemstoreInsertWithSeqNum(WriteEntry e, SequenceId seqId)
- throws IOException {
- if(e == null) return;
- if (seqId != null) {
- e.setWriteNumber(seqId.getSequenceId());
- } else {
- // set the value to NO_WRITE_NUMBER in order NOT to advance memstore readpoint inside
- // function beginMemstoreInsertWithSeqNum in case of failures
- e.setWriteNumber(NO_WRITE_NUMBER);
- }
- waitForPreviousTransactionsComplete(e);
- }
-
- /**
- * Cancel a write insert that failed.
- * Removes the write entry without advancing read point or without interfering with write
- * entries queued behind us. It is like #advanceMemstore(WriteEntry) only this method
- * will move the read point to the sequence id that is in WriteEntry even if it ridiculous (see
- * the trick in HRegion where we call {@link #getPreAssignedWriteNumber(AtomicLong)} just to mark
- * it as for special handling).
- * @param writeEntry Failed attempt at write. Does cleanup.
+ * Wait until the read point catches up to the write point; i.e. wait on all outstanding mvccs
+ * to complete.
*/
- public void cancelMemstoreInsert(WriteEntry writeEntry) {
- // I'm not clear on how this voodoo all works but setting write number to -1 does NOT advance
- // readpoint and gets my little writeEntry completed and removed from queue of outstanding
- // events which seems right. St.Ack 20150901.
- writeEntry.setWriteNumber(NO_WRITE_NUMBER);
- advanceMemstore(writeEntry);
+ public void await() {
+ // Add a write and then wait on reads to catch up to it.
+ completeAndWait(begin());
}
/**
- * Complete a {@link WriteEntry} that was created by {@link #beginMemstoreInsert()}. At the
- * end of this call, the global read point is at least as large as the write point of the passed
- * in WriteEntry. Thus, the write is visible to MVCC readers.
+ * Complete a {@link WriteEntry} that was created by {@link #begin()} then wait until the
+ * read point catches up to our write.
+ *
+ * At the end of this call, the global read point is at least as large as the write point
+ * of the passed in WriteEntry. Thus, the write is visible to MVCC readers.
*/
- public void completeMemstoreInsert(WriteEntry e) {
- waitForPreviousTransactionsComplete(e);
+ public void completeAndWait(WriteEntry e) {
+ complete(e);
+ waitForRead(e);
}
/**
- * Mark the {@link WriteEntry} as complete and advance the read point as
- * much as possible.
+ * Mark the {@link WriteEntry} as complete and advance the read point as much as possible.
+ * Call this even if the write has FAILED (AFTER backing out the write transaction
+ * changes completely) so we can clean up the outstanding transaction.
*
* How much is the read point advanced?
- * Let S be the set of all write numbers that are completed and where all previous write numbers
- * are also completed. Then, the read point is advanced to the supremum of S.
+ *
+ * Let S be the set of all write numbers that are completed. Set the read point to the highest
+ * numbered write of S.
+ *
+ * @param writeEntry
*
- * @param e
* @return true if e is visible to MVCC readers (that is, readpoint >= e.writeNumber)
*/
- boolean advanceMemstore(WriteEntry e) {
- long nextReadValue = -1;
+ public boolean complete(WriteEntry writeEntry) {
synchronized (writeQueue) {
- e.markCompleted();
+ writeEntry.markCompleted();
+ long nextReadValue = NONE;
+ boolean ranOnce = false;
while (!writeQueue.isEmpty()) {
+ ranOnce = true;
WriteEntry queueFirst = writeQueue.getFirst();
+
+ if (nextReadValue > 0) {
+ if (nextReadValue + 1 != queueFirst.getWriteNumber()) {
+ throw new RuntimeException("Invariant in complete violated, nextReadValue="
+ + nextReadValue + ", writeNumber=" + queueFirst.getWriteNumber());
+ }
+ }
+
if (queueFirst.isCompleted()) {
- // Using Max because Edit complete in WAL sync order not arriving order
- nextReadValue = Math.max(nextReadValue, queueFirst.getWriteNumber());
+ nextReadValue = queueFirst.getWriteNumber();
writeQueue.removeFirst();
} else {
break;
}
}
- if (nextReadValue > memstoreRead) {
- memstoreRead = nextReadValue;
+ if (!ranOnce) {
+ throw new RuntimeException("There is no first!");
}
- // notify waiters on writeQueue before return
- writeQueue.notifyAll();
- }
-
- if (nextReadValue > 0) {
- synchronized (readWaiters) {
- readWaiters.notifyAll();
- }
- }
-
- if (memstoreRead >= e.getWriteNumber()) {
- return true;
- }
- return false;
- }
-
- /**
- * Advances the current read point to be given seqNum if it is smaller than
- * that.
- */
- void advanceMemstoreReadPointIfNeeded(long seqNum) {
- synchronized (writeQueue) {
- if (this.memstoreRead < seqNum) {
- memstoreRead = seqNum;
+ if (nextReadValue > 0) {
+ synchronized (readWaiters) {
+ readPoint.set(nextReadValue);
+ readWaiters.notifyAll();
+ }
}
+ return readPoint.get() >= writeEntry.getWriteNumber();
}
}
/**
- * Wait for all previous MVCC transactions complete
+ * Wait for the global readPoint to advance up to the passed in write entry number.
*/
- public void waitForPreviousTransactionsComplete() {
- WriteEntry w = beginMemstoreInsert();
- waitForPreviousTransactionsComplete(w);
- }
-
- public void waitForPreviousTransactionsComplete(WriteEntry waitedEntry) {
+ void waitForRead(WriteEntry e) {
boolean interrupted = false;
- WriteEntry w = waitedEntry;
-
- try {
- WriteEntry firstEntry = null;
- do {
- synchronized (writeQueue) {
- // writeQueue won't be empty at this point, the following is just a safety check
- if (writeQueue.isEmpty()) {
- break;
- }
- firstEntry = writeQueue.getFirst();
- if (firstEntry == w) {
- // all previous in-flight transactions are done
- break;
- }
- try {
- writeQueue.wait(0);
- } catch (InterruptedException ie) {
- // We were interrupted... finish the loop -- i.e. cleanup --and then
- // on our way out, reset the interrupt flag.
- interrupted = true;
- break;
- }
+ int count = 0;
+ synchronized (readWaiters) {
+ while (readPoint.get() < e.getWriteNumber()) {
+ if (count % 100 == 0 && count > 0) {
+ Log.warn("STUCK: " + this);
+ }
+ count++;
+ try {
+ readWaiters.wait(10);
+ } catch (InterruptedException ie) {
+ // We were interrupted... finish the loop -- i.e. cleanup --and then
+ // on our way out, reset the interrupt flag.
+ interrupted = true;
}
- } while (firstEntry != null);
- } finally {
- if (w != null) {
- advanceMemstore(w);
}
}
if (interrupted) {
@@ -258,28 +223,60 @@ public class MultiVersionConcurrencyControl {
}
}
- public long memstoreReadPoint() {
- return memstoreRead;
+ @VisibleForTesting
+ public String toString() {
+ StringBuffer sb = new StringBuffer(256);
+ sb.append("readPoint=");
+ sb.append(this.readPoint.get());
+ sb.append(", writePoint=");
+ sb.append(this.writePoint);
+ synchronized (this.writeQueue) {
+ for (WriteEntry we: this.writeQueue) {
+ sb.append(", [");
+ sb.append(we);
+ sb.append("]");
+ }
+ }
+ return sb.toString();
+ }
+
+ public long getReadPoint() {
+ return readPoint.get();
+ }
+
+ @VisibleForTesting
+ public long getWritePoint() {
+ return writePoint.get();
}
+ /**
+ * Write number and whether write has completed given out at start of a write transaction.
+ * Every created WriteEntry must be completed by calling mvcc#complete or #completeAndWait.
+ */
+ @InterfaceAudience.Private
public static class WriteEntry {
- private long writeNumber;
- private volatile boolean completed = false;
+ private final long writeNumber;
+ private boolean completed = false;
WriteEntry(long writeNumber) {
this.writeNumber = writeNumber;
}
+
void markCompleted() {
this.completed = true;
}
+
boolean isCompleted() {
return this.completed;
}
- long getWriteNumber() {
+
+ public long getWriteNumber() {
return this.writeNumber;
}
- void setWriteNumber(long val){
- this.writeNumber = val;
+
+ @Override
+ public String toString() {
+ return this.writeNumber + ", " + this.completed;
}
}
@@ -287,5 +284,4 @@ public class MultiVersionConcurrencyControl {
ClassSize.OBJECT +
2 * Bytes.SIZEOF_LONG +
2 * ClassSize.REFERENCE);
-
-}
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
index 1479668..7e3465f 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
@@ -32,7 +32,6 @@ import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
import java.util.Set;
-import java.util.UUID;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentSkipListMap;
@@ -62,7 +61,6 @@ import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.ClassSize;
@@ -112,7 +110,7 @@ import com.lmax.disruptor.dsl.ProducerType;
*
* <p>To read an WAL, call {@link WALFactory#createReader(org.apache.hadoop.fs.FileSystem,
* org.apache.hadoop.fs.Path)}.
- *
+ *
* <h2>Failure Semantic</h2>
* If an exception on append or sync, roll the WAL because the current WAL is now a lame duck;
* any more appends or syncs will fail also with the same original exception. If we have made
@@ -142,7 +140,7 @@ public class FSHLog implements WAL {
// Calls to append now also wait until the append has been done on the consumer side of the
// disruptor. We used to not wait but it makes the implemenation easier to grok if we have
// the region edit/sequence id after the append returns.
- //
+ //
// TODO: Handlers need to coordinate appending AND syncing. Can we have the threads contend
// once only? Probably hard given syncs take way longer than an append.
//
@@ -233,7 +231,7 @@ public class FSHLog implements WAL {
private final String logFilePrefix;
/**
- * Suffix included on generated wal file names
+ * Suffix included on generated wal file names
*/
private final String logFileSuffix;
@@ -250,13 +248,14 @@ public class FSHLog implements WAL {
protected final Configuration conf;
/** Listeners that are called on WAL events. */
- private final List<WALActionsListener> listeners = new CopyOnWriteArrayList<WALActionsListener>();
+ private final List<WALActionsListener> listeners =
+ new CopyOnWriteArrayList<WALActionsListener>();
@Override
public void registerWALActionsListener(final WALActionsListener listener) {
this.listeners.add(listener);
}
-
+
@Override
public boolean unregisterWALActionsListener(final WALActionsListener listener) {
return this.listeners.remove(listener);
@@ -611,7 +610,7 @@ public class FSHLog implements WAL {
/**
* Tell listeners about pre log roll.
- * @throws IOException
+ * @throws IOException
*/
private void tellListenersAboutPreLogRoll(final Path oldPath, final Path newPath)
throws IOException {
@@ -624,7 +623,7 @@ public class FSHLog implements WAL {
/**
* Tell listeners about post log roll.
- * @throws IOException
+ * @throws IOException
*/
private void tellListenersAboutPostLogRoll(final Path oldPath, final Path newPath)
throws IOException {
@@ -1052,27 +1051,11 @@ public class FSHLog implements WAL {
}
}
- /**
- * @param now
- * @param encodedRegionName Encoded name of the region as returned by
- * <code>HRegionInfo#getEncodedNameAsBytes()</code>.
- * @param tableName
- * @param clusterIds that have consumed the change
- * @return New log key.
- */
- @SuppressWarnings("deprecation")
- protected WALKey makeKey(byte[] encodedRegionName, TableName tableName, long seqnum,
- long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
- // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
- return new HLogKey(encodedRegionName, tableName, seqnum, now, clusterIds, nonceGroup, nonce);
- }
-
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="NP_NULL_ON_SOME_PATH_EXCEPTION",
justification="Will never be null")
@Override
public long append(final HTableDescriptor htd, final HRegionInfo hri, final WALKey key,
- final WALEdit edits, final AtomicLong sequenceId, final boolean inMemstore,
- final List<Cell> memstoreCells) throws IOException {
+ final WALEdit edits, final boolean inMemstore) throws IOException {
if (this.closed) throw new IOException("Cannot append; log is closed");
// Make a trace scope for the append. It is closed on other side of the ring buffer by the
// single consuming thread. Don't have to worry about it.
@@ -1086,9 +1069,9 @@ public class FSHLog implements WAL {
try {
RingBufferTruck truck = this.disruptor.getRingBuffer().get(sequence);
// Construction of FSWALEntry sets a latch. The latch is thrown just after we stamp the
- // edit with its edit/sequence id. The below entry.getRegionSequenceId will wait on the
- // latch to be thrown. TODO: reuse FSWALEntry as we do SyncFuture rather create per append.
- entry = new FSWALEntry(sequence, key, edits, sequenceId, inMemstore, htd, hri, memstoreCells);
+ // edit with its edit/sequence id.
+ // TODO: reuse FSWALEntry as we do SyncFuture rather create per append.
+ entry = new FSWALEntry(sequence, key, edits, htd, hri, inMemstore);
truck.loadPayload(entry, scope.detach());
} finally {
this.disruptor.getRingBuffer().publish(sequence);
@@ -1115,9 +1098,9 @@ public class FSHLog implements WAL {
private volatile long sequence;
// Keep around last exception thrown. Clear on successful sync.
private final BlockingQueue<SyncFuture> syncFutures;
-
+
/**
- * UPDATE!
+ * UPDATE!
* @param syncs the batch of calls to sync that arrived as this thread was starting; when done,
* we will put the result of the actual hdfs sync call as the result.
* @param sequence The sequence number on the ring buffer when this thread was set running.
@@ -1165,7 +1148,7 @@ public class FSHLog implements WAL {
// This function releases one sync future only.
return 1;
}
-
+
/**
* Release all SyncFutures whose sequence is <= <code>currentSequence</code>.
* @param currentSequence
@@ -1569,7 +1552,7 @@ public class FSHLog implements WAL {
* 'safe point' while the orchestrating thread does some work that requires the first thread
* paused: e.g. holding the WAL writer while its WAL is swapped out from under it by another
* thread.
- *
+ *
* <p>Thread A signals Thread B to hold when it gets to a 'safe point'. Thread A wait until
* Thread B gets there. When the 'safe point' has been attained, Thread B signals Thread A.
* Thread B then holds at the 'safe point'. Thread A on notification that Thread B is paused,
@@ -1577,7 +1560,7 @@ public class FSHLog implements WAL {
* it flags B and then Thread A and Thread B continue along on their merry way. Pause and
* signalling 'zigzags' between the two participating threads. We use two latches -- one the
* inverse of the other -- pausing and signaling when states are achieved.
- *
+ *
* <p>To start up the drama, Thread A creates an instance of this class each time it would do
* this zigzag dance and passes it to Thread B (these classes use Latches so it is one shot
* only). Thread B notices the new instance (via reading a volatile reference or how ever) and it
@@ -1599,7 +1582,7 @@ public class FSHLog implements WAL {
* Latch to wait on. Will be released when we can proceed.
*/
private volatile CountDownLatch safePointReleasedLatch = new CountDownLatch(1);
-
+
/**
* For Thread A to call when it is ready to wait on the 'safe point' to be attained.
* Thread A will be held in here until Thread B calls {@link #safePointAttained()}
@@ -1608,7 +1591,7 @@ public class FSHLog implements WAL {
* @throws InterruptedException
* @throws ExecutionException
* @return The passed <code>syncFuture</code>
- * @throws FailedSyncBeforeLogCloseException
+ * @throws FailedSyncBeforeLogCloseException
*/
SyncFuture waitSafePoint(final SyncFuture syncFuture)
throws InterruptedException, FailedSyncBeforeLogCloseException {
@@ -1620,7 +1603,7 @@ public class FSHLog implements WAL {
}
return syncFuture;
}
-
+
/**
* Called by Thread B when it attains the 'safe point'. In this method, Thread B signals
* Thread A it can proceed. Thread B will be held in here until {@link #releaseSafePoint()}
@@ -1858,9 +1841,8 @@ public class FSHLog implements WAL {
// here inside this single appending/writing thread. Events are ordered on the ringbuffer
// so region sequenceids will also be in order.
regionSequenceId = entry.stampRegionSequenceId();
-
- // Edits are empty, there is nothing to append. Maybe empty when we are looking for a
- // region sequence id only, a region edit/sequence id that is not associated with an actual
+ // Edits are empty, there is nothing to append. Maybe empty when we are looking for a
+ // region sequence id only, a region edit/sequence id that is not associated with an actual
// edit. It has to go through all the rigmarole to be sure we have the right ordering.
if (entry.getEdit().isEmpty()) {
return;
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSWALEntry.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSWALEntry.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSWALEntry.java
index a768660..7f3eb61 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSWALEntry.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSWALEntry.java
@@ -21,15 +21,14 @@ package org.apache.hadoop.hbase.regionserver.wal;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
-import java.util.List;
import java.util.Set;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.CollectionUtils;
@@ -51,23 +50,18 @@ class FSWALEntry extends Entry {
// The below data members are denoted 'transient' just to highlight these are not persisted;
// they are only in memory and held here while passing over the ring buffer.
private final transient long sequence;
- private final transient AtomicLong regionSequenceIdReference;
private final transient boolean inMemstore;
private final transient HTableDescriptor htd;
private final transient HRegionInfo hri;
- private final transient List<Cell> memstoreCells;
private final Set<byte[]> familyNames;
FSWALEntry(final long sequence, final WALKey key, final WALEdit edit,
- final AtomicLong referenceToRegionSequenceId, final boolean inMemstore,
- final HTableDescriptor htd, final HRegionInfo hri, List<Cell> memstoreCells) {
+ final HTableDescriptor htd, final HRegionInfo hri, final boolean inMemstore) {
super(key, edit);
- this.regionSequenceIdReference = referenceToRegionSequenceId;
this.inMemstore = inMemstore;
this.htd = htd;
this.hri = hri;
this.sequence = sequence;
- this.memstoreCells = memstoreCells;
if (inMemstore) {
// construct familyNames here to reduce the work of log sinker.
ArrayList<Cell> cells = this.getEdit().getCells();
@@ -111,24 +105,30 @@ class FSWALEntry extends Entry {
}
/**
- * Stamp this edit with a region edit/sequence id.
- * Call when safe to do so: i.e. the context is such that the increment on the passed in
- * {@link #regionSequenceIdReference} is guaranteed aligned w/ how appends are going into the
- * WAL. This method works with {@link #getRegionSequenceId()}. It will block waiting on this
- * method to be called.
- * @return The region edit/sequence id we set for this edit.
+ * Here is where a WAL edit gets its sequenceid.
+ * @return The sequenceid we stamped on this edit.
* @throws IOException
- * @see #getRegionSequenceId()
*/
long stampRegionSequenceId() throws IOException {
- long regionSequenceId = this.regionSequenceIdReference.incrementAndGet();
- if (!this.getEdit().isReplay() && !CollectionUtils.isEmpty(memstoreCells)) {
- for (Cell cell : this.memstoreCells) {
- CellUtil.setSequenceId(cell, regionSequenceId);
+ long regionSequenceId = WALKey.NO_SEQUENCE_ID;
+ MultiVersionConcurrencyControl mvcc = getKey().getMvcc();
+ MultiVersionConcurrencyControl.WriteEntry we = null;
+
+ if (mvcc != null) {
+ we = mvcc.begin();
+ regionSequenceId = we.getWriteNumber();
+ }
+
+ if (!this.getEdit().isReplay() && inMemstore) {
+ for (Cell c:getEdit().getCells()) {
+ CellUtil.setSequenceId(c, regionSequenceId);
}
}
+
+ // This has to stay in this order
WALKey key = getKey();
key.setLogSeqNum(regionSequenceId);
+ key.setWriteEntry(we);
return regionSequenceId;
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogKey.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogKey.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogKey.java
index 5218981..28141a1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogKey.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogKey.java
@@ -32,6 +32,7 @@ import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.wal.WALKey;
import org.apache.hadoop.io.Writable;
@@ -69,10 +70,18 @@ public class HLogKey extends WALKey implements Writable {
super(encodedRegionName, tablename);
}
+ @VisibleForTesting
public HLogKey(final byte[] encodedRegionName, final TableName tablename, final long now) {
super(encodedRegionName, tablename, now);
}
+ public HLogKey(final byte[] encodedRegionName,
+ final TableName tablename,
+ final long now,
+ final MultiVersionConcurrencyControl mvcc) {
+ super(encodedRegionName, tablename, now, mvcc);
+ }
+
/**
* Create the log key for writing to somewhere.
* We maintain the tablename mainly for debugging purposes.
@@ -86,9 +95,16 @@ public class HLogKey extends WALKey implements Writable {
* @param now Time at which this edit was written.
* @param clusterIds the clusters that have consumed the change(used in Replication)
*/
- public HLogKey(final byte [] encodedRegionName, final TableName tablename,
- long logSeqNum, final long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
- super(encodedRegionName, tablename, logSeqNum, now, clusterIds, nonceGroup, nonce);
+ public HLogKey(
+ final byte[] encodedRegionName,
+ final TableName tablename,
+ long logSeqNum,
+ final long now,
+ List<UUID> clusterIds,
+ long nonceGroup,
+ long nonce,
+ MultiVersionConcurrencyControl mvcc) {
+ super(encodedRegionName, tablename, logSeqNum, now, clusterIds, nonceGroup, nonce, mvcc);
}
/**
@@ -104,9 +120,14 @@ public class HLogKey extends WALKey implements Writable {
* @param nonceGroup
* @param nonce
*/
- public HLogKey(final byte [] encodedRegionName, final TableName tablename,
- final long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
- super(encodedRegionName, tablename, now, clusterIds, nonceGroup, nonce);
+ public HLogKey(final byte[] encodedRegionName,
+ final TableName tablename,
+ final long now,
+ List<UUID> clusterIds,
+ long nonceGroup,
+ long nonce,
+ final MultiVersionConcurrencyControl mvcc) {
+ super(encodedRegionName, tablename, now, clusterIds, nonceGroup, nonce, mvcc);
}
/**
@@ -122,8 +143,8 @@ public class HLogKey extends WALKey implements Writable {
* @param nonce
*/
public HLogKey(final byte [] encodedRegionName, final TableName tablename, long logSeqNum,
- long nonceGroup, long nonce) {
- super(encodedRegionName, tablename, logSeqNum, nonceGroup, nonce);
+ long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc) {
+ super(encodedRegionName, tablename, logSeqNum, nonceGroup, nonce, mvcc);
}
/**
@@ -141,7 +162,8 @@ public class HLogKey extends WALKey implements Writable {
Compressor.writeCompressed(this.encodedRegionName, 0,
this.encodedRegionName.length, out,
compressionContext.regionDict);
- Compressor.writeCompressed(this.tablename.getName(), 0, this.tablename.getName().length, out,
+ Compressor.writeCompressed(this.tablename.getName(), 0,
+ this.tablename.getName().length, out,
compressionContext.tableDict);
}
out.writeLong(this.logSeqNum);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ReplayHLogKey.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ReplayHLogKey.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ReplayHLogKey.java
index cb89346..f7ae208 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ReplayHLogKey.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ReplayHLogKey.java
@@ -24,6 +24,7 @@ import java.util.UUID;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
/**
* An HLogKey specific to WalEdits coming from replay.
@@ -32,13 +33,15 @@ import org.apache.hadoop.hbase.classification.InterfaceAudience;
public class ReplayHLogKey extends HLogKey {
public ReplayHLogKey(final byte [] encodedRegionName, final TableName tablename,
- final long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
- super(encodedRegionName, tablename, now, clusterIds, nonceGroup, nonce);
+ final long now, List<UUID> clusterIds, long nonceGroup, long nonce,
+ MultiVersionConcurrencyControl mvcc) {
+ super(encodedRegionName, tablename, now, clusterIds, nonceGroup, nonce, mvcc);
}
public ReplayHLogKey(final byte [] encodedRegionName, final TableName tablename,
- long logSeqNum, final long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
- super(encodedRegionName, tablename, logSeqNum, now, clusterIds, nonceGroup, nonce);
+ long logSeqNum, final long now, List<UUID> clusterIds, long nonceGroup, long nonce,
+ MultiVersionConcurrencyControl mvcc) {
+ super(encodedRegionName, tablename, logSeqNum, now, clusterIds, nonceGroup, nonce, mvcc);
}
/**
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java
index be39873..e41e1c3 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java
@@ -37,7 +37,8 @@ import org.apache.hadoop.io.SequenceFile;
import org.apache.hadoop.io.SequenceFile.Metadata;
import org.apache.hadoop.io.Text;
-@InterfaceAudience.LimitedPrivate({HBaseInterfaceAudience.COPROC, HBaseInterfaceAudience.PHOENIX, HBaseInterfaceAudience.CONFIG})
+@InterfaceAudience.LimitedPrivate({HBaseInterfaceAudience.COPROC, HBaseInterfaceAudience.PHOENIX,
+ HBaseInterfaceAudience.CONFIG})
public class SequenceFileLogReader extends ReaderBase {
private static final Log LOG = LogFactory.getLog(SequenceFileLogReader.class);
@@ -273,8 +274,10 @@ public class SequenceFileLogReader extends ReaderBase {
end = fEnd.getLong(this.reader);
} catch(NoSuchFieldException nfe) {
/* reflection failure, keep going */
+ if (LOG.isTraceEnabled()) LOG.trace(nfe);
} catch(IllegalAccessException iae) {
/* reflection failure, keep going */
+ if (LOG.isTraceEnabled()) LOG.trace(iae);
} catch(Exception e) {
/* All other cases. Should we handle it more aggressively? */
LOG.warn("Unexpected exception when accessing the end field", e);
@@ -293,8 +296,10 @@ public class SequenceFileLogReader extends ReaderBase {
.initCause(ioe);
} catch(NoSuchMethodException nfe) {
/* reflection failure, keep going */
+ if (LOG.isTraceEnabled()) LOG.trace(nfe);
} catch(IllegalAccessException iae) {
/* reflection failure, keep going */
+ if (LOG.isTraceEnabled()) LOG.trace(iae);
} catch(Exception e) {
/* All other cases. Should we handle it more aggressively? */
LOG.warn("Unexpected exception when accessing the end field", e);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALEdit.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALEdit.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALEdit.java
index d2119d7..5e53e41 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALEdit.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALEdit.java
@@ -73,7 +73,7 @@ import com.google.common.annotations.VisibleForTesting;
* where, the WALEdit is serialized as:
* <-1, # of edits, <KeyValue>, <KeyValue>, ... >
* For example:
- * <-1, 3, <Keyvalue-for-edit-c1>, <KeyValue-for-edit-c2>, <KeyValue-for-edit-c3>>
+ * <-1, 3, <KV-for-edit-c1>, <KV-for-edit-c2>, <KV-for-edit-c3>>
*
* The -1 marker is just a special way of being backward compatible with
* an old WAL which would have contained a single <KeyValue>.
@@ -104,6 +104,9 @@ public class WALEdit implements Writable, HeapSize {
public static final WALEdit EMPTY_WALEDIT = new WALEdit();
// Only here for legacy writable deserialization
+ /**
+ * @deprecated Legacy
+ */
@Deprecated
private NavigableMap<byte[], Integer> scopes;
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALUtil.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALUtil.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALUtil.java
index 399623f..c89a466 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALUtil.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALUtil.java
@@ -20,20 +20,17 @@
package org.apache.hadoop.hbase.regionserver.wal;
import java.io.IOException;
-import java.util.ArrayList;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.CompactionDescriptor;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.FlushDescriptor;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.RegionEventDescriptor;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.wal.WAL;
import org.apache.hadoop.hbase.wal.WALKey;
@@ -48,36 +45,34 @@ import com.google.protobuf.TextFormat;
public class WALUtil {
private static final Log LOG = LogFactory.getLog(WALUtil.class);
+ private WALUtil() {
+ // Shut down construction of this class.
+ }
+
/**
* Write the marker that a compaction has succeeded and is about to be committed.
* This provides info to the HMaster to allow it to recover the compaction if
* this regionserver dies in the middle (This part is not yet implemented). It also prevents
* the compaction from finishing if this regionserver has already lost its lease on the log.
- * @param sequenceId Used by WAL to get sequence Id for the waledit.
+ * @param mvcc Used by WAL to get sequence Id for the waledit.
*/
- public static void writeCompactionMarker(WAL log, HTableDescriptor htd, HRegionInfo info,
- final CompactionDescriptor c, AtomicLong sequenceId) throws IOException {
- TableName tn = TableName.valueOf(c.getTableName().toByteArray());
- // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
- WALKey key = new HLogKey(info.getEncodedNameAsBytes(), tn);
- log.append(htd, info, key, WALEdit.createCompaction(info, c), sequenceId, false, null);
- log.sync();
+ public static long writeCompactionMarker(WAL wal, HTableDescriptor htd, HRegionInfo hri,
+ final CompactionDescriptor c, MultiVersionConcurrencyControl mvcc)
+ throws IOException {
+ long trx = writeMarker(wal, htd, hri, WALEdit.createCompaction(hri, c), mvcc, true);
if (LOG.isTraceEnabled()) {
LOG.trace("Appended compaction marker " + TextFormat.shortDebugString(c));
}
+ return trx;
}
/**
* Write a flush marker indicating a start / abort or a complete of a region flush
*/
- public static long writeFlushMarker(WAL log, HTableDescriptor htd, HRegionInfo info,
- final FlushDescriptor f, AtomicLong sequenceId, boolean sync) throws IOException {
- TableName tn = TableName.valueOf(f.getTableName().toByteArray());
- // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
- WALKey key = new HLogKey(info.getEncodedNameAsBytes(), tn);
- long trx = log.append(htd, info, key, WALEdit.createFlushWALEdit(info, f), sequenceId, false,
- null);
- if (sync) log.sync(trx);
+ public static long writeFlushMarker(WAL wal, HTableDescriptor htd, HRegionInfo hri,
+ final FlushDescriptor f, boolean sync, MultiVersionConcurrencyControl mvcc)
+ throws IOException {
+ long trx = writeMarker(wal, htd, hri, WALEdit.createFlushWALEdit(hri, f), mvcc, sync);
if (LOG.isTraceEnabled()) {
LOG.trace("Appended flush marker " + TextFormat.shortDebugString(f));
}
@@ -87,14 +82,10 @@ public class WALUtil {
/**
* Write a region open marker indicating that the region is opened
*/
- public static long writeRegionEventMarker(WAL log, HTableDescriptor htd, HRegionInfo info,
- final RegionEventDescriptor r, AtomicLong sequenceId) throws IOException {
- TableName tn = TableName.valueOf(r.getTableName().toByteArray());
- // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
- WALKey key = new HLogKey(info.getEncodedNameAsBytes(), tn);
- long trx = log.append(htd, info, key, WALEdit.createRegionEventWALEdit(info, r),
- sequenceId, false, null);
- log.sync(trx);
+ public static long writeRegionEventMarker(WAL wal, HTableDescriptor htd, HRegionInfo hri,
+ final RegionEventDescriptor r, final MultiVersionConcurrencyControl mvcc)
+ throws IOException {
+ long trx = writeMarker(wal, htd, hri, WALEdit.createRegionEventWALEdit(hri, r), mvcc, true);
if (LOG.isTraceEnabled()) {
LOG.trace("Appended region event marker " + TextFormat.shortDebugString(r));
}
@@ -106,35 +97,40 @@ public class WALUtil {
*
* @param wal The log to write into.
* @param htd A description of the table that we are bulk loading into.
- * @param info A description of the region in the table that we are bulk loading into.
- * @param descriptor A protocol buffers based description of the client's bulk loading request
- * @param sequenceId The current sequenceId in the log at the time when we were to write the
- * bulk load marker.
+ * @param hri A description of the region in the table that we are bulk loading into.
+ * @param desc A protocol buffers based description of the client's bulk loading request
* @return txid of this transaction or if nothing to do, the last txid
* @throws IOException We will throw an IOException if we can not append to the HLog.
*/
- public static long writeBulkLoadMarkerAndSync(final WAL wal,
- final HTableDescriptor htd,
- final HRegionInfo info,
- final WALProtos.BulkLoadDescriptor descriptor,
- final AtomicLong sequenceId) throws IOException {
- TableName tn = info.getTable();
- WALKey key = new HLogKey(info.getEncodedNameAsBytes(), tn);
+ public static long writeBulkLoadMarkerAndSync(final WAL wal, final HTableDescriptor htd,
+ final HRegionInfo hri, final WALProtos.BulkLoadDescriptor desc,
+ final MultiVersionConcurrencyControl mvcc)
+ throws IOException {
+ long trx = writeMarker(wal, htd, hri, WALEdit.createBulkLoadEvent(hri, desc), mvcc, true);
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Appended Bulk Load marker " + TextFormat.shortDebugString(desc));
+ }
+ return trx;
+ }
+ private static long writeMarker(final WAL wal, final HTableDescriptor htd, final HRegionInfo hri,
+ final WALEdit edit, final MultiVersionConcurrencyControl mvcc, final boolean sync)
+ throws IOException {
+ // TODO: Pass in current time to use?
+ WALKey key =
+ new HLogKey(hri.getEncodedNameAsBytes(), hri.getTable(), System.currentTimeMillis(), mvcc);
// Add it to the log but the false specifies that we don't need to add it to the memstore
- long trx = wal.append(htd,
- info,
- key,
- WALEdit.createBulkLoadEvent(info, descriptor),
- sequenceId,
- false,
- new ArrayList<Cell>());
- wal.sync(trx);
-
- if (LOG.isTraceEnabled()) {
- LOG.trace("Appended Bulk Load marker " + TextFormat.shortDebugString(descriptor));
+ long trx = MultiVersionConcurrencyControl.NONE;
+ try {
+ trx = wal.append(htd, hri, key, edit, false);
+ if (sync) wal.sync(trx);
+ } finally {
+ // If you get hung here, is it a real WAL or a mocked WAL? If the latter, you need to
+ // trip the latch that is inside in getWriteEntry up in your mock. See down in the append
+ // called from onEvent in FSHLog.
+ MultiVersionConcurrencyControl.WriteEntry we = key.getWriteEntry();
+ if (mvcc != null && we != null) mvcc.complete(we);
}
return trx;
}
-
-}
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HashedBytes.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HashedBytes.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HashedBytes.java
index f628cee..84d6128 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HashedBytes.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HashedBytes.java
@@ -55,7 +55,7 @@ public class HashedBytes {
if (obj == null || getClass() != obj.getClass())
return false;
HashedBytes other = (HashedBytes) obj;
- return Arrays.equals(bytes, other.bytes);
+ return (hashCode == other.hashCode) && Arrays.equals(bytes, other.bytes);
}
@Override
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
index 328793b..43738be 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
@@ -155,7 +155,7 @@ class DisabledWALProvider implements WALProvider {
@Override
public long append(HTableDescriptor htd, HRegionInfo info, WALKey key, WALEdit edits,
- AtomicLong sequenceId, boolean inMemstore, List<Cell> memstoreKVs) {
+ boolean inMemstore) {
if (!this.listeners.isEmpty()) {
final long start = System.nanoTime();
long len = 0;
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WAL.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WAL.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WAL.java
index 4844487..d2b336e 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WAL.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WAL.java
@@ -21,17 +21,13 @@ package org.apache.hadoop.hbase.wal;
import java.io.Closeable;
import java.io.IOException;
-import java.util.List;
import java.util.Set;
-import java.util.concurrent.atomic.AtomicLong;
-import org.apache.hadoop.hbase.classification.InterfaceStability;
-import org.apache.hadoop.hbase.classification.InterfaceAudience;
-import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
-
+import org.apache.hadoop.hbase.classification.InterfaceAudience;
+import org.apache.hadoop.hbase.classification.InterfaceStability;
// imports we use from yet-to-be-moved regionsever.wal
import org.apache.hadoop.hbase.regionserver.wal.CompressionContext;
import org.apache.hadoop.hbase.regionserver.wal.FailedLogCloseException;
@@ -114,19 +110,16 @@ public interface WAL {
* @param key Modified by this call; we add to it this edits region edit/sequence id.
* @param edits Edits to append. MAY CONTAIN NO EDITS for case where we want to get an edit
* sequence id that is after all currently appended edits.
- * @param htd used to give scope for replication TODO refactor out in favor of table name and info
- * @param sequenceId A reference to the atomic long the <code>info</code> region is using as
- * source of its incrementing edits sequence id. Inside in this call we will increment it and
- * attach the sequence to the edit we apply the WAL.
+ * @param htd used to give scope for replication TODO refactor out in favor of table name and
+ * info
* @param inMemstore Always true except for case where we are writing a compaction completion
* record into the WAL; in this case the entry is just so we can finish an unfinished compaction
* -- it is not an edit for memstore.
- * @param memstoreKVs list of KVs added into memstore
* @return Returns a 'transaction id' and <code>key</code> will have the region edit/sequence id
* in it.
*/
long append(HTableDescriptor htd, HRegionInfo info, WALKey key, WALEdit edits,
- AtomicLong sequenceId, boolean inMemstore, List<Cell> memstoreKVs)
+ boolean inMemstore)
throws IOException;
/**
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALKey.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALKey.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALKey.java
index 74284e0..05acd72 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALKey.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALKey.java
@@ -32,6 +32,7 @@ import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.util.ByteStringer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -68,13 +69,55 @@ import org.apache.hadoop.hbase.regionserver.wal.WALCellCodec;
*
* Note that protected members marked @InterfaceAudience.Private are only protected
* to support the legacy HLogKey class, which is in a different package.
+ *
+ * <p>
*/
// TODO: Key and WALEdit are never used separately, or in one-to-many relation, for practical
// purposes. They need to be merged into WALEntry.
+// TODO: Cleanup. We have logSeqNum and then WriteEntry, both are sequence id'ing. Fix.
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.REPLICATION)
public class WALKey implements SequenceId, Comparable<WALKey> {
private static final Log LOG = LogFactory.getLog(WALKey.class);
+ @InterfaceAudience.Private // For internal use only.
+ public MultiVersionConcurrencyControl getMvcc() {
+ return mvcc;
+ }
+
+ /**
+ * Will block until a write entry has been assigned by they WAL subsystem.
+ * @return A WriteEntry gotten from local WAL subsystem. Must be completed by calling
+ * mvcc#complete or mvcc#completeAndWait.
+ * @throws InterruptedIOException
+ * @see
+ * #setWriteEntry(org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.WriteEntry)
+ */
+ @InterfaceAudience.Private // For internal use only.
+ public MultiVersionConcurrencyControl.WriteEntry getWriteEntry() throws InterruptedIOException {
+ try {
+ this.seqNumAssignedLatch.await();
+ } catch (InterruptedException ie) {
+ // If interrupted... clear out our entry else we can block up mvcc.
+ MultiVersionConcurrencyControl mvcc = getMvcc();
+ LOG.debug("mvcc=" + mvcc + ", writeEntry=" + this.writeEntry);
+ if (mvcc != null) {
+ if (this.writeEntry != null) {
+ mvcc.complete(this.writeEntry);
+ }
+ }
+ InterruptedIOException iie = new InterruptedIOException();
+ iie.initCause(ie);
+ throw iie;
+ }
+ return this.writeEntry;
+ }
+
+ @InterfaceAudience.Private // For internal use only.
+ public void setWriteEntry(MultiVersionConcurrencyControl.WriteEntry writeEntry) {
+ this.writeEntry = writeEntry;
+ this.seqNumAssignedLatch.countDown();
+ }
+
// should be < 0 (@see HLogKey#readFields(DataInput))
// version 2 supports WAL compression
// public members here are only public because of HLogKey
@@ -151,7 +194,9 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
private long nonceGroup = HConstants.NO_NONCE;
private long nonce = HConstants.NO_NONCE;
- static final List<UUID> EMPTY_UUIDS = Collections.unmodifiableList(new ArrayList<UUID>());
+ private MultiVersionConcurrencyControl mvcc;
+ private MultiVersionConcurrencyControl.WriteEntry writeEntry;
+ public static final List<UUID> EMPTY_UUIDS = Collections.unmodifiableList(new ArrayList<UUID>());
// visible for deprecated HLogKey
@InterfaceAudience.Private
@@ -159,16 +204,17 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
public WALKey() {
init(null, null, 0L, HConstants.LATEST_TIMESTAMP,
- new ArrayList<UUID>(), HConstants.NO_NONCE, HConstants.NO_NONCE);
+ new ArrayList<UUID>(), HConstants.NO_NONCE, HConstants.NO_NONCE, null);
}
@VisibleForTesting
- public WALKey(final byte[] encodedRegionName, final TableName tablename, long logSeqNum,
+ public WALKey(final byte[] encodedRegionName, final TableName tablename,
+ long logSeqNum,
final long now, UUID clusterId) {
List<UUID> clusterIds = new ArrayList<UUID>();
clusterIds.add(clusterId);
init(encodedRegionName, tablename, logSeqNum, now, clusterIds,
- HConstants.NO_NONCE, HConstants.NO_NONCE);
+ HConstants.NO_NONCE, HConstants.NO_NONCE, null);
}
public WALKey(final byte[] encodedRegionName, final TableName tablename) {
@@ -176,8 +222,28 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
}
public WALKey(final byte[] encodedRegionName, final TableName tablename, final long now) {
- init(encodedRegionName, tablename, NO_SEQUENCE_ID, now,
- EMPTY_UUIDS, HConstants.NO_NONCE, HConstants.NO_NONCE);
+ init(encodedRegionName,
+ tablename,
+ NO_SEQUENCE_ID,
+ now,
+ EMPTY_UUIDS,
+ HConstants.NO_NONCE,
+ HConstants.NO_NONCE,
+ null);
+ }
+
+ public WALKey(final byte[] encodedRegionName,
+ final TableName tablename,
+ final long now,
+ MultiVersionConcurrencyControl mvcc) {
+ init(encodedRegionName,
+ tablename,
+ NO_SEQUENCE_ID,
+ now,
+ EMPTY_UUIDS,
+ HConstants.NO_NONCE,
+ HConstants.NO_NONCE,
+ mvcc);
}
/**
@@ -187,15 +253,21 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
* <p>Used by log splitting and snapshots.
*
* @param encodedRegionName Encoded name of the region as returned by
- * <code>HRegionInfo#getEncodedNameAsBytes()</code>.
- * @param tablename - name of table
- * @param logSeqNum - log sequence number
- * @param now Time at which this edit was written.
- * @param clusterIds the clusters that have consumed the change(used in Replication)
+ * <code>HRegionInfo#getEncodedNameAsBytes()</code>.
+ * @param tablename - name of table
+ * @param logSeqNum - log sequence number
+ * @param now Time at which this edit was written.
+ * @param clusterIds the clusters that have consumed the change(used in Replication)
*/
- public WALKey(final byte [] encodedRegionName, final TableName tablename,
- long logSeqNum, final long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
- init(encodedRegionName, tablename, logSeqNum, now, clusterIds, nonceGroup, nonce);
+ public WALKey(final byte[] encodedRegionName,
+ final TableName tablename,
+ long logSeqNum,
+ final long now,
+ List<UUID> clusterIds,
+ long nonceGroup,
+ long nonce,
+ MultiVersionConcurrencyControl mvcc) {
+ init(encodedRegionName, tablename, logSeqNum, now, clusterIds, nonceGroup, nonce, mvcc);
}
/**
@@ -204,17 +276,18 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
* A regionName is always a sub-table object.
*
* @param encodedRegionName Encoded name of the region as returned by
- * <code>HRegionInfo#getEncodedNameAsBytes()</code>.
+ * <code>HRegionInfo#getEncodedNameAsBytes()</code>.
* @param tablename
- * @param now Time at which this edit was written.
- * @param clusterIds the clusters that have consumed the change(used in Replication)
+ * @param now Time at which this edit was written.
+ * @param clusterIds the clusters that have consumed the change(used in Replication)
* @param nonceGroup
* @param nonce
+ * @param mvcc mvcc control used to generate sequence numbers and control read/write points
*/
- public WALKey(final byte [] encodedRegionName, final TableName tablename,
- final long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
- init(encodedRegionName, tablename, NO_SEQUENCE_ID, now, clusterIds,
- nonceGroup, nonce);
+ public WALKey(final byte[] encodedRegionName, final TableName tablename,
+ final long now, List<UUID> clusterIds, long nonceGroup,
+ final long nonce, final MultiVersionConcurrencyControl mvcc) {
+ init(encodedRegionName, tablename, NO_SEQUENCE_ID, now, clusterIds, nonceGroup, nonce, mvcc);
}
/**
@@ -223,21 +296,37 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
* A regionName is always a sub-table object.
*
* @param encodedRegionName Encoded name of the region as returned by
- * <code>HRegionInfo#getEncodedNameAsBytes()</code>.
+ * <code>HRegionInfo#getEncodedNameAsBytes()</code>.
* @param tablename
* @param logSeqNum
* @param nonceGroup
* @param nonce
*/
- public WALKey(final byte [] encodedRegionName, final TableName tablename, long logSeqNum,
- long nonceGroup, long nonce) {
- init(encodedRegionName, tablename, logSeqNum, EnvironmentEdgeManager.currentTime(),
- EMPTY_UUIDS, nonceGroup, nonce);
+ public WALKey(final byte[] encodedRegionName,
+ final TableName tablename,
+ long logSeqNum,
+ long nonceGroup,
+ long nonce,
+ final MultiVersionConcurrencyControl mvcc) {
+ init(encodedRegionName,
+ tablename,
+ logSeqNum,
+ EnvironmentEdgeManager.currentTime(),
+ EMPTY_UUIDS,
+ nonceGroup,
+ nonce,
+ mvcc);
}
@InterfaceAudience.Private
- protected void init(final byte [] encodedRegionName, final TableName tablename,
- long logSeqNum, final long now, List<UUID> clusterIds, long nonceGroup, long nonce) {
+ protected void init(final byte[] encodedRegionName,
+ final TableName tablename,
+ long logSeqNum,
+ final long now,
+ List<UUID> clusterIds,
+ long nonceGroup,
+ long nonce,
+ MultiVersionConcurrencyControl mvcc) {
this.logSeqNum = logSeqNum;
this.writeTime = now;
this.clusterIds = clusterIds;
@@ -245,6 +334,7 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
this.tablename = tablename;
this.nonceGroup = nonceGroup;
this.nonce = nonce;
+ this.mvcc = mvcc;
}
/**
@@ -270,15 +360,14 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
}
/**
- * Allow that the log sequence id to be set post-construction and release all waiters on assigned
- * sequence number.
+ * Allow that the log sequence id to be set post-construction
* Only public for org.apache.hadoop.hbase.regionserver.wal.FSWALEntry
* @param sequence
*/
@InterfaceAudience.Private
public void setLogSeqNum(final long sequence) {
this.logSeqNum = sequence;
- this.seqNumAssignedLatch.countDown();
+
}
/**
@@ -492,21 +581,22 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
this.encodedRegionName = encodedRegionName;
}
- public org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey.Builder getBuilder(WALCellCodec.ByteStringCompressor compressor)
- throws IOException {
- org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey.Builder builder = org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey.newBuilder();
+ public org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey.Builder getBuilder(
+ WALCellCodec.ByteStringCompressor compressor) throws IOException {
+ org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey.Builder builder =
+ org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey.newBuilder();
if (compressionContext == null) {
builder.setEncodedRegionName(ByteStringer.wrap(this.encodedRegionName));
builder.setTableName(ByteStringer.wrap(this.tablename.getName()));
} else {
builder.setEncodedRegionName(compressor.compress(this.encodedRegionName,
- compressionContext.regionDict));
+ compressionContext.regionDict));
builder.setTableName(compressor.compress(this.tablename.getName(),
- compressionContext.tableDict));
+ compressionContext.tableDict));
}
builder.setLogSequenceNumber(this.logSeqNum);
builder.setWriteTime(writeTime);
- if(this.origLogSeqNum > 0) {
+ if (this.origLogSeqNum > 0) {
builder.setOrigSequenceNumber(this.origLogSeqNum);
}
if (this.nonce != HConstants.NO_NONCE) {
@@ -532,8 +622,9 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
return builder;
}
- public void readFieldsFromPb(
- org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey walKey, WALCellCodec.ByteStringUncompressor uncompressor) throws IOException {
+ public void readFieldsFromPb(org.apache.hadoop.hbase.protobuf.generated.WALProtos.WALKey walKey,
+ WALCellCodec.ByteStringUncompressor uncompressor)
+ throws IOException {
if (this.compressionContext != null) {
this.encodedRegionName = uncompressor.uncompress(
walKey.getEncodedRegionName(), compressionContext.regionDict);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALSplitter.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALSplitter.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALSplitter.java
index 7fed610..98882ff 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALSplitter.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALSplitter.java
@@ -2286,7 +2286,7 @@ public class WALSplitter {
// we use HLogKey here instead of WALKey directly to support legacy coprocessors.
key = new HLogKey(walKeyProto.getEncodedRegionName().toByteArray(), TableName.valueOf(
walKeyProto.getTableName().toByteArray()), replaySeqId, walKeyProto.getWriteTime(),
- clusterIds, walKeyProto.getNonceGroup(), walKeyProto.getNonce());
+ clusterIds, walKeyProto.getNonceGroup(), walKeyProto.getNonce(), null);
logEntry.setFirst(key);
logEntry.setSecond(val);
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/TestFullLogReconstruction.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestFullLogReconstruction.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestFullLogReconstruction.java
index d7a68e3..ea833dd 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestFullLogReconstruction.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestFullLogReconstruction.java
@@ -22,7 +22,7 @@ package org.apache.hadoop.hbase;
import static org.junit.Assert.assertEquals;
import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.After;
@@ -90,7 +90,7 @@ public class TestFullLogReconstruction {
*/
@Test (timeout=300000)
public void testReconstruction() throws Exception {
- HTable table = TEST_UTIL.createMultiRegionTable(TABLE_NAME, FAMILY);
+ Table table = TEST_UTIL.createMultiRegionTable(TABLE_NAME, FAMILY);
// Load up the table with simple rows and count them
int initialCount = TEST_UTIL.loadTable(table, FAMILY);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/TestIOFencing.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestIOFencing.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestIOFencing.java
index 41e7ec5..22531c4 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestIOFencing.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestIOFencing.java
@@ -24,7 +24,6 @@ import java.io.IOException;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -47,10 +46,10 @@ import org.apache.hadoop.hbase.regionserver.StoreFile;
import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.regionserver.compactions.CompactionThroughputController;
-import org.apache.hadoop.hbase.wal.WAL;
import org.apache.hadoop.hbase.regionserver.wal.WALUtil;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
+import org.apache.hadoop.hbase.wal.WAL;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@@ -224,8 +223,7 @@ public class TestIOFencing {
*/
@Test
public void testFencingAroundCompaction() throws Exception {
- doTest(BlockCompactionsInPrepRegion.class, false);
- doTest(BlockCompactionsInPrepRegion.class, true);
+ doTest(BlockCompactionsInPrepRegion.class);
}
/**
@@ -236,13 +234,11 @@ public class TestIOFencing {
*/
@Test
public void testFencingAroundCompactionAfterWALSync() throws Exception {
- doTest(BlockCompactionsInCompletionRegion.class, false);
- doTest(BlockCompactionsInCompletionRegion.class, true);
+ doTest(BlockCompactionsInCompletionRegion.class);
}
- public void doTest(Class<?> regionClass, boolean distributedLogReplay) throws Exception {
+ public void doTest(Class<?> regionClass) throws Exception {
Configuration c = TEST_UTIL.getConfiguration();
- c.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, distributedLogReplay);
// Insert our custom region
c.setClass(HConstants.REGION_IMPL, regionClass, HRegion.class);
c.setBoolean("dfs.support.append", true);
@@ -283,7 +279,7 @@ public class TestIOFencing {
FAMILY, Lists.newArrayList(new Path("/a")), Lists.newArrayList(new Path("/b")),
new Path("store_dir"));
WALUtil.writeCompactionMarker(compactingRegion.getWAL(), table.getTableDescriptor(),
- oldHri, compactionDescriptor, new AtomicLong(Long.MAX_VALUE-100));
+ oldHri, compactionDescriptor, compactingRegion.getMVCC());
// Wait till flush has happened, otherwise there won't be multiple store files
long startWaitTime = System.currentTimeMillis();
@@ -354,4 +350,4 @@ public class TestIOFencing {
TEST_UTIL.shutdownMiniCluster();
}
}
-}
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java
index 24f7190..f5e4026 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java
@@ -383,7 +383,6 @@ public class TestReplicasClient {
}
}
-
@Test
public void testFlushTable() throws Exception {
openRegion(hriSecondary);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverStacking.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverStacking.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverStacking.java
index 53c234e..fb0d843 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverStacking.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverStacking.java
@@ -139,6 +139,4 @@ public class TestRegionObserverStacking extends TestCase {
assertTrue(idA < idB);
assertTrue(idB < idC);
}
-
-}
-
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java
index 19b45a7..95e77a4 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java
@@ -29,7 +29,6 @@ import java.security.PrivilegedExceptionAction;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
-import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -49,6 +48,7 @@ import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.regionserver.HRegion;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
import org.apache.hadoop.hbase.regionserver.wal.WALCoprocessorHost;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
@@ -186,7 +186,6 @@ public class TestWALObserver {
Path basedir = new Path(this.hbaseRootDir, Bytes.toString(TEST_TABLE));
deleteDir(basedir);
fs.mkdirs(new Path(basedir, hri.getEncodedName()));
- final AtomicLong sequenceId = new AtomicLong(0);
// TEST_FAMILY[0] shall be removed from WALEdit.
// TEST_FAMILY[1] value shall be changed.
@@ -235,7 +234,7 @@ public class TestWALObserver {
long now = EnvironmentEdgeManager.currentTime();
// we use HLogKey here instead of WALKey directly to support legacy coprocessors.
long txid = log.append(htd, hri, new HLogKey(hri.getEncodedNameAsBytes(), hri.getTable(), now),
- edit, sequenceId, true, null);
+ edit, true);
log.sync(txid);
// the edit shall have been change now by the coprocessor.
@@ -271,7 +270,7 @@ public class TestWALObserver {
final HTableDescriptor htd = createBasic3FamilyHTD(Bytes
.toString(TEST_TABLE));
final HRegionInfo hri = new HRegionInfo(tableName, null, null);
- final AtomicLong sequenceId = new AtomicLong(0);
+ MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
fs.mkdirs(new Path(FSUtils.getTableDir(hbaseRootDir, tableName), hri.getEncodedName()));
@@ -298,7 +297,7 @@ public class TestWALObserver {
final int countPerFamily = 5;
for (HColumnDescriptor hcd : htd.getFamilies()) {
addWALEdits(tableName, hri, TEST_ROW, hcd.getName(), countPerFamily,
- EnvironmentEdgeManager.getDelegate(), wal, htd, sequenceId);
+ EnvironmentEdgeManager.getDelegate(), wal, htd, mvcc);
}
LOG.debug("Verify that only the non-legacy CP saw edits.");
@@ -322,7 +321,7 @@ public class TestWALObserver {
final WALEdit edit = new WALEdit();
final byte[] nonce = Bytes.toBytes("1772");
edit.add(new KeyValue(TEST_ROW, TEST_FAMILY[0], nonce, now, nonce));
- final long txid = wal.append(htd, hri, legacyKey, edit, sequenceId, true, null);
+ final long txid = wal.append(htd, hri, legacyKey, edit, true);
wal.sync(txid);
LOG.debug("Make sure legacy cps can see supported edits after having been skipped.");
@@ -347,7 +346,7 @@ public class TestWALObserver {
public void testEmptyWALEditAreNotSeen() throws Exception {
final HRegionInfo hri = createBasic3FamilyHRegionInfo(Bytes.toString(TEST_TABLE));
final HTableDescriptor htd = createBasic3FamilyHTD(Bytes.toString(TEST_TABLE));
- final AtomicLong sequenceId = new AtomicLong(0);
+ final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
WAL log = wals.getWAL(UNSPECIFIED_REGION, null);
try {
@@ -359,8 +358,9 @@ public class TestWALObserver {
assertFalse(cp.isPostWALWriteCalled());
final long now = EnvironmentEdgeManager.currentTime();
- long txid = log.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), hri.getTable(), now),
- new WALEdit(), sequenceId, true, null);
+ long txid = log.append(htd, hri,
+ new WALKey(hri.getEncodedNameAsBytes(), hri.getTable(), now, mvcc),
+ new WALEdit(), true);
log.sync(txid);
assertFalse("Empty WALEdit should skip coprocessor evaluation.", cp.isPreWALWriteCalled());
@@ -379,7 +379,7 @@ public class TestWALObserver {
// ultimately called by HRegion::initialize()
TableName tableName = TableName.valueOf("testWALCoprocessorReplay");
final HTableDescriptor htd = getBasic3FamilyHTableDescriptor(tableName);
- final AtomicLong sequenceId = new AtomicLong(0);
+ MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
// final HRegionInfo hri =
// createBasic3FamilyHRegionInfo(Bytes.toString(tableName));
// final HRegionInfo hri1 =
@@ -403,10 +403,9 @@ public class TestWALObserver {
// for (HColumnDescriptor hcd: hri.getTableDesc().getFamilies()) {
for (HColumnDescriptor hcd : htd.getFamilies()) {
addWALEdits(tableName, hri, TEST_ROW, hcd.getName(), countPerFamily,
- EnvironmentEdgeManager.getDelegate(), wal, htd, sequenceId);
+ EnvironmentEdgeManager.getDelegate(), wal, htd, mvcc);
}
- wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, now), edit, sequenceId,
- true, null);
+ wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, now, mvcc), edit, true);
// sync to fs.
wal.sync();
@@ -526,7 +525,7 @@ public class TestWALObserver {
private void addWALEdits(final TableName tableName, final HRegionInfo hri, final byte[] rowName,
final byte[] family, final int count, EnvironmentEdge ee, final WAL wal,
- final HTableDescriptor htd, final AtomicLong sequenceId) throws IOException {
+ final HTableDescriptor htd, final MultiVersionConcurrencyControl mvcc) throws IOException {
String familyStr = Bytes.toString(family);
long txid = -1;
for (int j = 0; j < count; j++) {
@@ -537,7 +536,7 @@ public class TestWALObserver {
// uses WALKey instead of HLogKey on purpose. will only work for tests where we don't care
// about legacy coprocessors
txid = wal.append(htd, hri, new WALKey(hri.getEncodedNameAsBytes(), tableName,
- ee.currentTime()), edit, sequenceId, true, null);
+ ee.currentTime(), mvcc), edit, true);
}
if (-1 != txid) {
wal.sync(txid);
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHLogRecordReader.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHLogRecordReader.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHLogRecordReader.java
index dd47325..0ceae46 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHLogRecordReader.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHLogRecordReader.java
@@ -31,8 +31,8 @@ import org.junit.experimental.categories.Category;
public class TestHLogRecordReader extends TestWALRecordReader {
@Override
- protected WALKey getWalKey(final long sequenceid) {
- return new HLogKey(info.getEncodedNameAsBytes(), tableName, sequenceid);
+ protected WALKey getWalKey(final long time) {
+ return new HLogKey(info.getEncodedNameAsBytes(), tableName, time, mvcc);
}
@Override
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALRecordReader.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALRecordReader.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALRecordReader.java
index 89f0e7a..2423d03 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALRecordReader.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALRecordReader.java
@@ -41,6 +41,7 @@ import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.mapreduce.WALInputFormat.WALKeyRecordReader;
import org.apache.hadoop.hbase.mapreduce.WALInputFormat.WALRecordReader;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
import org.apache.hadoop.hbase.wal.WAL;
import org.apache.hadoop.hbase.wal.WALFactory;
@@ -74,6 +75,7 @@ public class TestWALRecordReader {
private static final byte [] value = Bytes.toBytes("value");
private static HTableDescriptor htd;
private static Path logDir;
+ protected MultiVersionConcurrencyControl mvcc;
private static String getName() {
return "TestWALRecordReader";
@@ -81,6 +83,7 @@ public class TestWALRecordReader {
@Before
public void setUp() throws Exception {
+ mvcc = new MultiVersionConcurrencyControl();
FileStatus[] entries = fs.listStatus(hbaseDir);
for (FileStatus dir : entries) {
fs.delete(dir.getPath(), true);
@@ -123,13 +126,11 @@ public class TestWALRecordReader {
// being millisecond based.
long ts = System.currentTimeMillis();
WALEdit edit = new WALEdit();
- final AtomicLong sequenceId = new AtomicLong(0);
edit.add(new KeyValue(rowName, family, Bytes.toBytes("1"), ts, value));
- log.append(htd, info, getWalKey(ts), edit, sequenceId, true, null);
+ log.append(htd, info, getWalKey(ts), edit, true);
edit = new WALEdit();
edit.add(new KeyValue(rowName, family, Bytes.toBytes("2"), ts+1, value));
- log.append(htd, info, getWalKey(ts+1), edit, sequenceId,
- true, null);
+ log.append(htd, info, getWalKey(ts+1), edit, true);
log.sync();
LOG.info("Before 1st WAL roll " + log.toString());
log.rollWriter();
@@ -140,12 +141,10 @@ public class TestWALRecordReader {
edit = new WALEdit();
edit.add(new KeyValue(rowName, family, Bytes.toBytes("3"), ts1+1, value));
- log.append(htd, info, getWalKey(ts1+1), edit, sequenceId,
- true, null);
+ log.append(htd, info, getWalKey(ts1+1), edit, true);
edit = new WALEdit();
edit.add(new KeyValue(rowName, family, Bytes.toBytes("4"), ts1+2, value));
- log.append(htd, info, getWalKey(ts1+2), edit, sequenceId,
- true, null);
+ log.append(htd, info, getWalKey(ts1+2), edit, true);
log.sync();
log.shutdown();
walfactory.shutdown();
@@ -187,8 +186,7 @@ public class TestWALRecordReader {
WALEdit edit = new WALEdit();
edit.add(new KeyValue(rowName, family, Bytes.toBytes("1"),
System.currentTimeMillis(), value));
- long txid = log.append(htd, info, getWalKey(System.currentTimeMillis()), edit, sequenceId, true,
- null);
+ long txid = log.append(htd, info, getWalKey(System.currentTimeMillis()), edit, true);
log.sync(txid);
Thread.sleep(1); // make sure 2nd log gets a later timestamp
@@ -198,8 +196,7 @@ public class TestWALRecordReader {
edit = new WALEdit();
edit.add(new KeyValue(rowName, family, Bytes.toBytes("2"),
System.currentTimeMillis(), value));
- txid = log.append(htd, info, getWalKey(System.currentTimeMillis()), edit, sequenceId, true,
- null);
+ txid = log.append(htd, info, getWalKey(System.currentTimeMillis()), edit, true);
log.sync(txid);
log.shutdown();
walfactory.shutdown();
@@ -238,8 +235,8 @@ public class TestWALRecordReader {
testSplit(splits.get(1));
}
- protected WALKey getWalKey(final long sequenceid) {
- return new WALKey(info.getEncodedNameAsBytes(), tableName, sequenceid);
+ protected WALKey getWalKey(final long time) {
+ return new WALKey(info.getEncodedNameAsBytes(), tableName, time, mvcc);
}
protected WALRecordReader getReader() {
[4/5] hbase git commit: HBASE-14465 Backport 'Allow rowlock to be
reader/write' to branch-1
Posted by st...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase/blob/4812d9a1/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
index eab754a..b526172 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
@@ -45,7 +45,6 @@ import java.util.concurrent.CompletionService;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentSkipListMap;
-import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorCompletionService;
import java.util.concurrent.ExecutorService;
@@ -60,6 +59,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.apache.commons.lang.RandomStringUtils;
@@ -76,7 +76,6 @@ import org.apache.hadoop.hbase.CompoundConfiguration;
import org.apache.hadoop.hbase.DoNotRetryIOException;
import org.apache.hadoop.hbase.DroppedSnapshotException;
import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.hadoop.hbase.HBaseIOException;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HConstants.OperationStatusCode;
@@ -143,7 +142,6 @@ import org.apache.hadoop.hbase.protobuf.generated.WALProtos.FlushDescriptor.Stor
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.RegionEventDescriptor;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.RegionEventDescriptor.EventType;
import org.apache.hadoop.hbase.protobuf.generated.WALProtos.StoreDescriptor;
-import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.WriteEntry;
import org.apache.hadoop.hbase.regionserver.ScannerContext.LimitScope;
import org.apache.hadoop.hbase.regionserver.ScannerContext.NextState;
import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;
@@ -201,13 +199,15 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
private static final Log LOG = LogFactory.getLog(HRegion.class);
public static final String LOAD_CFS_ON_DEMAND_CONFIG_KEY =
- "hbase.hregion.scan.loadColumnFamiliesOnDemand";
+ "hbase.hregion.scan.loadColumnFamiliesOnDemand";
/**
* Longest time we'll wait on a sequenceid.
* Sequenceid comes up out of the WAL subsystem. WAL subsystem can go bad or a test might use
- * it without cleanup previous usage properly; generally, a WAL roll is needed.
- * Key to use changing the default of 30000ms.
+ * it without cleaning up previous usage properly; generally, a WAL roll is needed. The timeout
+ * is for a latch in WALKey. There is no global accounting of outstanding WALKeys; intentionally
+ * to avoid contention, but it makes it so if an abort or problem, we could be stuck waiting
+ * on the WALKey latch. Revisit.
*/
private final int maxWaitForSeqId;
private static final String MAX_WAIT_FOR_SEQ_ID_KEY = "hbase.hregion.max.wait.for.sequenceid.ms";
@@ -220,6 +220,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
private static final Durability DEFAULT_DURABILITY = Durability.SYNC_WAL;
final AtomicBoolean closed = new AtomicBoolean(false);
+
/* Closing can take some time; use the closing flag if there is stuff we don't
* want to do while in closing state; e.g. like offer this region up to the
* master as a region to close if the carrying regionserver is overloaded.
@@ -239,19 +240,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
* {@link #maxFlushedSeqId} will be older than the oldest edit in memory.
*/
private volatile long lastFlushOpSeqId = HConstants.NO_SEQNUM;
- /**
- * Region scoped edit sequence Id. Edits to this region are GUARANTEED to appear in the WAL
- * file in this sequence id's order; i.e. edit #2 will be in the WAL after edit #1.
- * Its default value is -1L. This default is used as a marker to indicate
- * that the region hasn't opened yet. Once it is opened, it is set to the derived
- * #openSeqNum, the largest sequence id of all hfiles opened under this Region.
- *
- * <p>Control of this sequence is handed off to the WAL implementation. It is responsible
- * for tagging edits with the correct sequence id since it is responsible for getting the
- * edits into the WAL files. It controls updating the sequence id value. DO NOT UPDATE IT
- * OUTSIDE OF THE WAL. The value you get will not be what you think it is.
- */
- private final AtomicLong sequenceId = new AtomicLong(-1L);
/**
* The sequence id of the last replayed open region event from the primary region. This is used
@@ -279,7 +267,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// TODO: account for each registered handler in HeapSize computation
private Map<String, Service> coprocessorServiceHandlers = Maps.newHashMap();
- public final AtomicLong memstoreSize = new AtomicLong(0);
+ private final AtomicLong memstoreSize = new AtomicLong(0);
// Debug possible data loss due to WAL off
final Counter numMutationsWithoutWAL = new Counter();
@@ -370,7 +358,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
/**
* @return The smallest mvcc readPoint across all the scanners in this
- * region. Writes older than this readPoint, are included in every
+ * region. Writes older than this readPoint, are included in every
* read operation.
*/
public long getSmallestReadPoint() {
@@ -379,7 +367,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// no new RegionScanners can grab a readPoint that we are unaware of.
// We achieve this by synchronizing on the scannerReadPoints object.
synchronized(scannerReadPoints) {
- minimumReadPoint = mvcc.memstoreReadPoint();
+ minimumReadPoint = mvcc.getReadPoint();
for (Long readPoint: this.scannerReadPoints.values()) {
if (readPoint < minimumReadPoint) {
@@ -593,8 +581,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
private boolean splitRequest;
private byte[] explicitSplitPoint = null;
- private final MultiVersionConcurrencyControl mvcc =
- new MultiVersionConcurrencyControl();
+ private final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();
// Coprocessor host
private RegionCoprocessorHost coprocessorHost;
@@ -630,6 +617,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
* @deprecated Use other constructors.
*/
@Deprecated
+ @VisibleForTesting
public HRegion(final Path tableDir, final WAL wal, final FileSystem fs,
final Configuration confParam, final HRegionInfo regionInfo,
final HTableDescriptor htd, final RegionServerServices rsServices) {
@@ -821,7 +809,15 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// Initialize all the HStores
status.setStatus("Initializing all the Stores");
- long maxSeqId = initializeRegionStores(reporter, status, false);
+ long maxSeqId = initializeStores(reporter, status);
+ this.mvcc.advanceTo(maxSeqId);
+ if (ServerRegionReplicaUtil.shouldReplayRecoveredEdits(this)) {
+ // Recover any edits if available.
+ maxSeqId = Math.max(maxSeqId,
+ replayRecoveredEditsIfAny(this.fs.getRegionDir(), maxSeqIdInStores, reporter, status));
+ // Make sure mvcc is up to max.
+ this.mvcc.advanceTo(maxSeqId);
+ }
this.lastReplayedOpenRegionSeqId = maxSeqId;
this.writestate.setReadOnly(ServerRegionReplicaUtil.isReadOnly(this));
@@ -884,10 +880,15 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
return nextSeqid;
}
- private long initializeRegionStores(final CancelableProgressable reporter, MonitoredTask status,
- boolean warmupOnly)
- throws IOException {
-
+ /**
+ * Open all Stores.
+ * @param reporter
+ * @param status
+ * @return Highest sequenceId found out in a Store.
+ * @throws IOException
+ */
+ private long initializeStores(final CancelableProgressable reporter, MonitoredTask status)
+ throws IOException {
// Load in all the HStores.
long maxSeqId = -1;
@@ -949,14 +950,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
}
- if (ServerRegionReplicaUtil.shouldReplayRecoveredEdits(this) && !warmupOnly) {
- // Recover any edits if available.
- maxSeqId = Math.max(maxSeqId, replayRecoveredEditsIfAny(
- this.fs.getRegionDir(), maxSeqIdInStores, reporter, status));
- }
- maxSeqId = Math.max(maxSeqId, maxMemstoreTS + 1);
- mvcc.initialize(maxSeqId);
- return maxSeqId;
+ return Math.max(maxSeqId, maxMemstoreTS + 1);
}
private void initializeWarmup(final CancelableProgressable reporter) throws IOException {
@@ -964,7 +958,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// Initialize all the HStores
status.setStatus("Warming up all the Stores");
- initializeRegionStores(reporter, status, true);
+ initializeStores(reporter, status);
}
private void writeRegionOpenMarker(WAL wal, long openSeqId) throws IOException {
@@ -980,8 +974,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
RegionEventDescriptor regionOpenDesc = ProtobufUtil.toRegionEventDescriptor(
RegionEventDescriptor.EventType.REGION_OPEN, getRegionInfo(), openSeqId,
getRegionServerServices().getServerName(), storeFiles);
- WALUtil.writeRegionEventMarker(wal, getTableDesc(), getRegionInfo(), regionOpenDesc,
- getSequenceId());
+ WALUtil.writeRegionEventMarker(wal, getTableDesc(), getRegionInfo(), regionOpenDesc, mvcc);
}
private void writeRegionCloseMarker(WAL wal) throws IOException {
@@ -995,17 +988,16 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
RegionEventDescriptor regionEventDesc = ProtobufUtil.toRegionEventDescriptor(
- RegionEventDescriptor.EventType.REGION_CLOSE, getRegionInfo(), getSequenceId().get(),
+ RegionEventDescriptor.EventType.REGION_CLOSE, getRegionInfo(), mvcc.getReadPoint(),
getRegionServerServices().getServerName(), storeFiles);
- WALUtil.writeRegionEventMarker(wal, getTableDesc(), getRegionInfo(), regionEventDesc,
- getSequenceId());
+ WALUtil.writeRegionEventMarker(wal, getTableDesc(), getRegionInfo(), regionEventDesc, mvcc);
// Store SeqId in HDFS when a region closes
// checking region folder exists is due to many tests which delete the table folder while a
// table is still online
if (this.fs.getFileSystem().exists(this.fs.getRegionDir())) {
WALSplitter.writeRegionSequenceIdFile(this.fs.getFileSystem(), this.fs.getRegionDir(),
- getSequenceId().get(), 0);
+ mvcc.getReadPoint(), 0);
}
}
@@ -1277,7 +1269,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// This scan can read even uncommitted transactions
return Long.MAX_VALUE;
}
- return mvcc.memstoreReadPoint();
+ return mvcc.getReadPoint();
}
@Override
@@ -1456,11 +1448,13 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
for (final Store store : stores.values()) {
long flushableSize = store.getFlushableSize();
if (!(abort || flushableSize == 0 || writestate.readOnly)) {
- getRegionServerServices().abort("Assertion failed while closing store "
+ if (getRegionServerServices() != null) {
+ getRegionServerServices().abort("Assertion failed while closing store "
+ getRegionInfo().getRegionNameAsString() + " " + store
+ ". flushableSize expected=0, actual= " + flushableSize
+ ". Current memstoreSize=" + getMemstoreSize() + ". Maybe a coprocessor "
+ "operation failed and left the memstore in a partially updated state.", null);
+ }
}
completionService
.submit(new Callable<Pair<byte[], Collection<StoreFile>>>() {
@@ -1957,11 +1951,11 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
boolean shouldFlushStore(Store store) {
long earliest = this.wal.getEarliestMemstoreSeqNum(getRegionInfo().getEncodedNameAsBytes(),
store.getFamily().getName()) - 1;
- if (earliest > 0 && earliest + flushPerChanges < sequenceId.get()) {
+ if (earliest > 0 && earliest + flushPerChanges < mvcc.getReadPoint()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Flush column family " + store.getColumnFamilyName() + " of " +
getRegionInfo().getEncodedName() + " because unflushed sequenceid=" + earliest +
- " is > " + this.flushPerChanges + " from current=" + sequenceId.get());
+ " is > " + this.flushPerChanges + " from current=" + mvcc.getReadPoint());
}
return true;
}
@@ -1987,7 +1981,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
whyFlush.setLength(0);
// This is a rough measure.
if (this.maxFlushedSeqId > 0
- && (this.maxFlushedSeqId + this.flushPerChanges < this.sequenceId.get())) {
+ && (this.maxFlushedSeqId + this.flushPerChanges < this.mvcc.getReadPoint())) {
whyFlush.append("more than max edits, " + this.flushPerChanges + ", since last flush");
return true;
}
@@ -2077,11 +2071,9 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
- protected PrepareFlushResult internalPrepareFlushCache(
- final WAL wal, final long myseqid, final Collection<Store> storesToFlush,
- MonitoredTask status, boolean writeFlushWalMarker)
- throws IOException {
-
+ protected PrepareFlushResult internalPrepareFlushCache(final WAL wal, final long myseqid,
+ final Collection<Store> storesToFlush, MonitoredTask status, boolean writeFlushWalMarker)
+ throws IOException {
if (this.rsServices != null && this.rsServices.isAborted()) {
// Don't flush when server aborting, it's unsafe
throw new IOException("Aborting flush because server is aborted...");
@@ -2091,7 +2083,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
if (this.memstoreSize.get() <= 0) {
// Take an update lock because am about to change the sequence id and we want the sequence id
// to be at the border of the empty memstore.
- MultiVersionConcurrencyControl.WriteEntry w = null;
+ MultiVersionConcurrencyControl.WriteEntry writeEntry = null;
this.updatesLock.writeLock().lock();
try {
if (this.memstoreSize.get() <= 0) {
@@ -2099,29 +2091,34 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// this region out in the WAL subsystem so no need to do any trickery clearing out
// edits in the WAL system. Up the sequence number so the resulting flush id is for
// sure just beyond the last appended region edit (useful as a marker when bulk loading,
- // etc.)
- // wal can be null replaying edits.
+ // etc.). NOTE: The writeEntry write number is NOT in the WAL.. there is no WAL writing
+ // here.
if (wal != null) {
- w = mvcc.beginMemstoreInsert();
- long flushOpSeqId = getNextSequenceId(wal);
+ writeEntry = mvcc.begin();
+ long flushOpSeqId = writeEntry.getWriteNumber();
FlushResult flushResult = new FlushResultImpl(
- FlushResult.Result.CANNOT_FLUSH_MEMSTORE_EMPTY, flushOpSeqId, "Nothing to flush",
- writeFlushRequestMarkerToWAL(wal, writeFlushWalMarker));
- w.setWriteNumber(flushOpSeqId);
- mvcc.waitForPreviousTransactionsComplete(w);
- w = null;
+ FlushResult.Result.CANNOT_FLUSH_MEMSTORE_EMPTY,
+ flushOpSeqId,
+ "Nothing to flush",
+ writeFlushRequestMarkerToWAL(wal, writeFlushWalMarker));
+ // TODO: Lets see if we hang here, if there is a scenario where an outstanding reader
+ // with a read point is in advance of this write point.
+ mvcc.completeAndWait(writeEntry);
+ writeEntry = null;
return new PrepareFlushResult(flushResult, myseqid);
} else {
return new PrepareFlushResult(
- new FlushResultImpl(FlushResult.Result.CANNOT_FLUSH_MEMSTORE_EMPTY,
- "Nothing to flush", false),
+ new FlushResultImpl(
+ FlushResult.Result.CANNOT_FLUSH_MEMSTORE_EMPTY,
+ "Nothing to flush",
+ false),
myseqid);
}
}
} finally {
this.updatesLock.writeLock().unlock();
- if (w != null) {
- mvcc.advanceMemstore(w);
+ if (writeEntry != null) {
+ mvcc.complete(writeEntry);
}
}
}
@@ -2132,10 +2129,8 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
if (!isAllFamilies(storesToFlush)) {
perCfExtras = new StringBuilder();
for (Store store: storesToFlush) {
- perCfExtras.append("; ");
- perCfExtras.append(store.getColumnFamilyName());
- perCfExtras.append("=");
- perCfExtras.append(StringUtils.byteDesc(store.getMemStoreSize()));
+ perCfExtras.append("; ").append(store.getColumnFamilyName());
+ perCfExtras.append("=").append(StringUtils.byteDesc(store.getMemStoreSize()));
}
}
LOG.info("Flushing " + + storesToFlush.size() + "/" + stores.size() +
@@ -2147,7 +2142,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// to do this for a moment. It is quick. We also set the memstore size to zero here before we
// allow updates again so its value will represent the size of the updates received
// during flush
- MultiVersionConcurrencyControl.WriteEntry writeEntry = null;
+
// We have to take an update lock during snapshot, or else a write could end up in both snapshot
// and memstore (makes it difficult to do atomic rows then)
status.setStatus("Obtaining lock to block concurrent updates");
@@ -2178,9 +2173,9 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
byte[] encodedRegionName = getRegionInfo().getEncodedNameAsBytes();
long trxId = 0;
+ MultiVersionConcurrencyControl.WriteEntry writeEntry = mvcc.begin();
try {
try {
- writeEntry = mvcc.beginMemstoreInsert();
if (wal != null) {
Long earliestUnflushedSequenceIdForTheRegion =
wal.startCacheFlush(encodedRegionName, flushedFamilyNames);
@@ -2215,7 +2210,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
getRegionInfo(), flushOpSeqId, committedFiles);
// no sync. Sync is below where we do not hold the updates lock
trxId = WALUtil.writeFlushMarker(wal, this.htableDescriptor, getRegionInfo(),
- desc, sequenceId, false);
+ desc, false, mvcc);
}
// Prepare flush (take a snapshot)
@@ -2229,7 +2224,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.ABORT_FLUSH,
getRegionInfo(), flushOpSeqId, committedFiles);
WALUtil.writeFlushMarker(wal, this.htableDescriptor, getRegionInfo(),
- desc, sequenceId, false);
+ desc, false, mvcc);
} catch (Throwable t) {
LOG.warn("Received unexpected exception trying to write ABORT_FLUSH marker to WAL:" +
StringUtils.stringifyException(t));
@@ -2263,18 +2258,18 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// uncommitted transactions from being written into HFiles.
// We have to block before we start the flush, otherwise keys that
// were removed via a rollbackMemstore could be written to Hfiles.
- writeEntry.setWriteNumber(flushOpSeqId);
- mvcc.waitForPreviousTransactionsComplete(writeEntry);
- // set w to null to prevent mvcc.advanceMemstore from being called again inside finally block
+ mvcc.completeAndWait(writeEntry);
+ // set writeEntry to null to prevent mvcc.complete from being called again inside finally
+ // block
writeEntry = null;
} finally {
if (writeEntry != null) {
- // in case of failure just mark current writeEntry as complete
- mvcc.advanceMemstore(writeEntry);
+ // In case of failure just mark current writeEntry as complete.
+ mvcc.complete(writeEntry);
}
}
- return new PrepareFlushResult(storeFlushCtxs, committedFiles, storeFlushableSize, startTime, flushOpSeqId,
- flushedSeqId, totalFlushableSizeOfFlushableStores);
+ return new PrepareFlushResult(storeFlushCtxs, committedFiles, storeFlushableSize, startTime,
+ flushOpSeqId, flushedSeqId, totalFlushableSizeOfFlushableStores);
}
/**
@@ -2294,10 +2289,10 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
private boolean writeFlushRequestMarkerToWAL(WAL wal, boolean writeFlushWalMarker) {
if (writeFlushWalMarker && wal != null && !writestate.readOnly) {
FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.CANNOT_FLUSH,
- getRegionInfo(), -1, new TreeMap<byte[], List<Path>>());
+ getRegionInfo(), -1, new TreeMap<byte[], List<Path>>(Bytes.BYTES_COMPARATOR));
try {
WALUtil.writeFlushMarker(wal, this.htableDescriptor, getRegionInfo(),
- desc, sequenceId, true);
+ desc, true, mvcc);
return true;
} catch (IOException e) {
LOG.warn(getRegionInfo().getEncodedName() + " : "
@@ -2366,7 +2361,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.COMMIT_FLUSH,
getRegionInfo(), flushOpSeqId, committedFiles);
WALUtil.writeFlushMarker(wal, this.htableDescriptor, getRegionInfo(),
- desc, sequenceId, true);
+ desc, true, mvcc);
}
} catch (Throwable t) {
// An exception here means that the snapshot was not persisted.
@@ -2380,11 +2375,10 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.ABORT_FLUSH,
getRegionInfo(), flushOpSeqId, committedFiles);
WALUtil.writeFlushMarker(wal, this.htableDescriptor, getRegionInfo(),
- desc, sequenceId, false);
+ desc, false, mvcc);
} catch (Throwable ex) {
LOG.warn(getRegionInfo().getEncodedName() + " : "
- + "Received unexpected exception trying to write ABORT_FLUSH marker to WAL:"
- + StringUtils.stringifyException(ex));
+ + "failed writing ABORT_FLUSH marker to WAL", ex);
// ignore this since we will be aborting the RS with DSE.
}
wal.abortCacheFlush(this.getRegionInfo().getEncodedNameAsBytes());
@@ -2458,7 +2452,8 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// a timeout. May happen in tests after we tightened the semantic via HBASE-14317.
// Also, the getSequenceId blocks on a latch. There is no global list of outstanding latches
// so if an abort or stop, there is no way to call them in.
- WALKey key = this.appendEmptyEdit(wal, null);
+ WALKey key = this.appendEmptyEdit(wal);
+ mvcc.complete(key.getWriteEntry());
return key.getSequenceId(this.maxWaitForSeqId);
}
@@ -2914,7 +2909,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
List<RowLock> acquiredRowLocks = Lists.newArrayListWithCapacity(batchOp.operations.length);
// reference family maps directly so coprocessors can mutate them if desired
Map<byte[], List<Cell>>[] familyMaps = new Map[batchOp.operations.length];
- List<Cell> memstoreCells = new ArrayList<Cell>();
// We try to set up a batch in the range [firstIndex,lastIndexExclusive)
int firstIndex = batchOp.nextIndexToProcess;
int lastIndexExclusive = firstIndex;
@@ -2979,17 +2973,16 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// If we haven't got any rows in our batch, we should block to
// get the next one.
- boolean shouldBlock = numReadyToWrite == 0;
RowLock rowLock = null;
try {
- rowLock = getRowLockInternal(mutation.getRow(), shouldBlock);
+ rowLock = getRowLock(mutation.getRow(), true);
} catch (IOException ioe) {
LOG.warn("Failed getting lock in batch put, row="
+ Bytes.toStringBinary(mutation.getRow()), ioe);
}
if (rowLock == null) {
// We failed to grab another lock
- assert !shouldBlock : "Should never fail to get lock when blocking";
+ assert false: "Should never fail to get lock when blocking";
break; // stop acquiring more rows for this batch
} else {
acquiredRowLocks.add(rowLock);
@@ -3049,16 +3042,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
lock(this.updatesLock.readLock(), numReadyToWrite);
locked = true;
- if(isInReplay) {
- mvccNum = batchOp.getReplaySequenceId();
- } else {
- mvccNum = MultiVersionConcurrencyControl.getPreAssignedWriteNumber(this.sequenceId);
- }
- //
- // ------------------------------------
- // Acquire the latest mvcc number
- // ----------------------------------
- writeEntry = mvcc.beginMemstoreInsertWithSeqNum(mvccNum);
// calling the pre CP hook for batch mutation
if (!isInReplay && coprocessorHost != null) {
@@ -3069,35 +3052,14 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
// ------------------------------------
- // STEP 3. Write back to memstore
- // Write to memstore. It is ok to write to memstore
- // first without updating the WAL because we do not roll
- // forward the memstore MVCC. The MVCC will be moved up when
- // the complete operation is done. These changes are not yet
- // visible to scanners till we update the MVCC. The MVCC is
- // moved only when the sync is complete.
- // ----------------------------------
- long addedSize = 0;
- for (int i = firstIndex; i < lastIndexExclusive; i++) {
- if (batchOp.retCodeDetails[i].getOperationStatusCode()
- != OperationStatusCode.NOT_RUN) {
- continue;
- }
- doRollBackMemstore = true; // If we have a failure, we need to clean what we wrote
- addedSize += applyFamilyMapToMemstore(familyMaps[i], mvccNum, memstoreCells, isInReplay);
- }
-
- // ------------------------------------
- // STEP 4. Build WAL edit
+ // STEP 3. Build WAL edit
// ----------------------------------
Durability durability = Durability.USE_DEFAULT;
for (int i = firstIndex; i < lastIndexExclusive; i++) {
// Skip puts that were determined to be invalid during preprocessing
- if (batchOp.retCodeDetails[i].getOperationStatusCode()
- != OperationStatusCode.NOT_RUN) {
+ if (batchOp.retCodeDetails[i].getOperationStatusCode() != OperationStatusCode.NOT_RUN) {
continue;
}
- batchOp.retCodeDetails[i] = OperationStatus.SUCCESS;
Mutation m = batchOp.getMutation(i);
Durability tmpDur = getEffectiveDurability(m.getDurability());
@@ -3123,9 +3085,9 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// we use HLogKey here instead of WALKey directly to support legacy coprocessors.
walKey = new ReplayHLogKey(this.getRegionInfo().getEncodedNameAsBytes(),
this.htableDescriptor.getTableName(), now, m.getClusterIds(),
- currentNonceGroup, currentNonce);
+ currentNonceGroup, currentNonce, mvcc);
txid = this.wal.append(this.htableDescriptor, this.getRegionInfo(), walKey,
- walEdit, getSequenceId(), true, null);
+ walEdit, true);
walEdit = new WALEdit(isInReplay);
walKey = null;
}
@@ -3144,38 +3106,57 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
// -------------------------
- // STEP 5. Append the final edit to WAL. Do not sync wal.
+ // STEP 4. Append the final edit to WAL. Do not sync wal.
// -------------------------
Mutation mutation = batchOp.getMutation(firstIndex);
if (isInReplay) {
// use wal key from the original
walKey = new ReplayHLogKey(this.getRegionInfo().getEncodedNameAsBytes(),
this.htableDescriptor.getTableName(), WALKey.NO_SEQUENCE_ID, now,
- mutation.getClusterIds(), currentNonceGroup, currentNonce);
+ mutation.getClusterIds(), currentNonceGroup, currentNonce, mvcc);
long replaySeqId = batchOp.getReplaySequenceId();
walKey.setOrigLogSeqNum(replaySeqId);
-
- // ensure that the sequence id of the region is at least as big as orig log seq id
- while (true) {
- long seqId = getSequenceId().get();
- if (seqId >= replaySeqId) break;
- if (getSequenceId().compareAndSet(seqId, replaySeqId)) break;
- }
}
if (walEdit.size() > 0) {
if (!isInReplay) {
// we use HLogKey here instead of WALKey directly to support legacy coprocessors.
walKey = new HLogKey(this.getRegionInfo().getEncodedNameAsBytes(),
this.htableDescriptor.getTableName(), WALKey.NO_SEQUENCE_ID, now,
- mutation.getClusterIds(), currentNonceGroup, currentNonce);
+ mutation.getClusterIds(), currentNonceGroup, currentNonce, mvcc);
}
-
- txid = this.wal.append(this.htableDescriptor, this.getRegionInfo(), walKey, walEdit,
- getSequenceId(), true, memstoreCells);
+ txid = this.wal.append(this.htableDescriptor, this.getRegionInfo(), walKey, walEdit, true);
}
- if (walKey == null){
- // Append a faked WALEdit in order for SKIP_WAL updates to get mvcc assigned
- walKey = this.appendEmptyEdit(this.wal, memstoreCells);
+ // ------------------------------------
+ // Acquire the latest mvcc number
+ // ----------------------------------
+ if (walKey == null) {
+ // If this is a skip wal operation just get the read point from mvcc
+ walKey = this.appendEmptyEdit(this.wal);
+ }
+ if (!isInReplay) {
+ writeEntry = walKey.getWriteEntry();
+ mvccNum = writeEntry.getWriteNumber();
+ } else {
+ mvccNum = batchOp.getReplaySequenceId();
+ }
+
+ // ------------------------------------
+ // STEP 5. Write back to memstore
+ // Write to memstore. It is ok to write to memstore
+ // first without syncing the WAL because we do not roll
+ // forward the memstore MVCC. The MVCC will be moved up when
+ // the complete operation is done. These changes are not yet
+ // visible to scanners till we update the MVCC. The MVCC is
+ // moved only when the sync is complete.
+ // ----------------------------------
+ long addedSize = 0;
+ for (int i = firstIndex; i < lastIndexExclusive; i++) {
+ if (batchOp.retCodeDetails[i].getOperationStatusCode()
+ != OperationStatusCode.NOT_RUN) {
+ continue;
+ }
+ doRollBackMemstore = true; // If we have a failure, we need to clean what we wrote
+ addedSize += applyFamilyMapToMemstore(familyMaps[i], mvccNum, isInReplay);
}
// -------------------------------
@@ -3203,13 +3184,21 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
coprocessorHost.postBatchMutate(miniBatchOp);
}
-
// ------------------------------------------------------------------
// STEP 8. Advance mvcc. This will make this put visible to scanners and getters.
// ------------------------------------------------------------------
if (writeEntry != null) {
- mvcc.completeMemstoreInsertWithSeqNum(writeEntry, walKey);
+ mvcc.completeAndWait(writeEntry);
writeEntry = null;
+ } else if (isInReplay) {
+ // ensure that the sequence id of the region is at least as big as orig log seq id
+ mvcc.advanceTo(mvccNum);
+ }
+
+ for (int i = firstIndex; i < lastIndexExclusive; i ++) {
+ if (batchOp.retCodeDetails[i] == OperationStatus.NOT_RUN) {
+ batchOp.retCodeDetails[i] = OperationStatus.SUCCESS;
+ }
}
// ------------------------------------
@@ -3237,10 +3226,14 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
} finally {
// if the wal sync was unsuccessful, remove keys from memstore
if (doRollBackMemstore) {
- rollbackMemstore(memstoreCells);
- if (writeEntry != null) mvcc.cancelMemstoreInsert(writeEntry);
+ for (int j = 0; j < familyMaps.length; j++) {
+ for(List<Cell> cells:familyMaps[j].values()) {
+ rollbackMemstore(cells);
+ }
+ }
+ if (writeEntry != null) mvcc.complete(writeEntry);
} else if (writeEntry != null) {
- mvcc.completeMemstoreInsertWithSeqNum(writeEntry, walKey);
+ mvcc.completeAndWait(writeEntry);
}
if (locked) {
@@ -3327,7 +3320,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// Lock row - note that doBatchMutate will relock this row if called
RowLock rowLock = getRowLock(get.getRow());
// wait for all previous transactions to complete (with lock held)
- mvcc.waitForPreviousTransactionsComplete();
+ mvcc.await();
try {
if (this.getCoprocessorHost() != null) {
Boolean processed = null;
@@ -3437,7 +3430,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// Lock row - note that doBatchMutate will relock this row if called
RowLock rowLock = getRowLock(get.getRow());
// wait for all previous transactions to complete (with lock held)
- mvcc.waitForPreviousTransactionsComplete();
+ mvcc.await();
try {
List<Cell> result = get(get, false);
@@ -3515,7 +3508,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
private void doBatchMutate(Mutation mutation) throws IOException {
// Currently this is only called for puts and deletes, so no nonces.
- OperationStatus[] batchMutate = this.batchMutate(new Mutation[] { mutation });
+ OperationStatus[] batchMutate = this.batchMutate(new Mutation[]{mutation});
if (batchMutate[0].getOperationStatusCode().equals(OperationStatusCode.SANITY_CHECK_FAILURE)) {
throw new FailedSanityCheckException(batchMutate[0].getExceptionMsg());
} else if (batchMutate[0].getOperationStatusCode().equals(OperationStatusCode.BAD_FAMILY)) {
@@ -3691,7 +3684,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
* @throws IOException
*/
private long applyFamilyMapToMemstore(Map<byte[], List<Cell>> familyMap,
- long mvccNum, List<Cell> memstoreCells, boolean isInReplay) throws IOException {
+ long mvccNum, boolean isInReplay) throws IOException {
long size = 0;
for (Map.Entry<byte[], List<Cell>> e : familyMap.entrySet()) {
@@ -3702,10 +3695,11 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
int listSize = cells.size();
for (int i=0; i < listSize; i++) {
Cell cell = cells.get(i);
- CellUtil.setSequenceId(cell, mvccNum);
+ if (cell.getSequenceId() == 0) {
+ CellUtil.setSequenceId(cell, mvccNum);
+ }
Pair<Long, Cell> ret = store.add(cell);
size += ret.getFirst();
- memstoreCells.add(ret.getSecond());
if(isInReplay) {
// set memstore newly added cells with replay mvcc number
CellUtil.setSequenceId(ret.getSecond(), mvccNum);
@@ -4462,12 +4456,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
this.maxFlushedSeqId = flush.getFlushSequenceNumber();
// advance the mvcc read point so that the new flushed file is visible.
- // there may be some in-flight transactions, but they won't be made visible since they are
- // either greater than flush seq number or they were already dropped via flush.
- // TODO: If we are using FlushAllStoresPolicy, then this can make edits visible from other
- // stores while they are still in flight because the flush commit marker will not contain
- // flushes from ALL stores.
- getMVCC().advanceMemstoreReadPointIfNeeded(flush.getFlushSequenceNumber());
+ mvcc.advanceTo(flush.getFlushSequenceNumber());
} catch (FileNotFoundException ex) {
LOG.warn(getRegionInfo().getEncodedName() + " : "
@@ -4534,15 +4523,14 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
/**
* Drops the memstore contents after replaying a flush descriptor or region open event replay
* if the memstore edits have seqNums smaller than the given seq id
- * @param flush the flush descriptor
* @throws IOException
*/
private long dropMemstoreContentsForSeqId(long seqId, Store store) throws IOException {
long totalFreedSize = 0;
this.updatesLock.writeLock().lock();
try {
- mvcc.waitForPreviousTransactionsComplete();
- long currentSeqId = getSequenceId().get();
+
+ long currentSeqId = mvcc.getReadPoint();
if (seqId >= currentSeqId) {
// then we can drop the memstore contents since everything is below this seqId
LOG.info(getRegionInfo().getEncodedName() + " : "
@@ -4705,9 +4693,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
dropPrepareFlushIfPossible();
// advance the mvcc read point so that the new flushed file is visible.
- // there may be some in-flight transactions, but they won't be made visible since they are
- // either greater than flush seq number or they were already dropped via flush.
- getMVCC().advanceMemstoreReadPointIfNeeded(this.maxFlushedSeqId);
+ mvcc.await();
// If we were waiting for observing a flush or region opening event for not showing partial
// data after a secondary region crash, we can allow reads now.
@@ -4798,7 +4784,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
if (bulkLoadEvent.getBulkloadSeqNum() > 0) {
- getMVCC().advanceMemstoreReadPointIfNeeded(bulkLoadEvent.getBulkloadSeqNum());
+ mvcc.advanceTo(bulkLoadEvent.getBulkloadSeqNum());
}
} finally {
closeBulkRegionOperation();
@@ -4897,11 +4883,11 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
dropPrepareFlushIfPossible();
// advance the mvcc read point so that the new flushed files are visible.
- // there may be some in-flight transactions, but they won't be made visible since they are
- // either greater than flush seq number or they were already picked up via flush.
- for (Store s : getStores()) {
- getMVCC().advanceMemstoreReadPointIfNeeded(s.getMaxMemstoreTS());
- }
+ // either greater than flush seq number or they were already picked up via flush.
+ for (Store s : getStores()) {
+ mvcc.advanceTo(s.getMaxMemstoreTS());
+ }
+
// smallestSeqIdInStores is the seqId that we have a corresponding hfile for. We can safely
// skip all edits that are to be replayed in the future with that has a smaller seqId
@@ -5050,75 +5036,91 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
- @Override
- public RowLock getRowLock(byte[] row, boolean waitForLock) throws IOException {
- startRegionOperation();
- try {
- return getRowLockInternal(row, waitForLock);
- } finally {
- closeRegionOperation();
- }
+
+ /**
+ * Get an exclusive ( write lock ) lock on a given row.
+ * @param row Which row to lock.
+ * @return A locked RowLock. The lock is exclusive and already aqquired.
+ * @throws IOException
+ */
+ public RowLock getRowLock(byte[] row) throws IOException {
+ return getRowLock(row, false);
}
/**
- * A version of getRowLock(byte[], boolean) to use when a region operation has already been
+ *
+ * Get a row lock for the specified row. All locks are reentrant.
+ *
+ * Before calling this function make sure that a region operation has already been
* started (the calling thread has already acquired the region-close-guard lock).
+ * @param row The row actions will be performed against
+ * @param readLock is the lock reader or writer. True indicates that a non-exlcusive
+ * lock is requested
*/
- protected RowLock getRowLockInternal(byte[] row, boolean waitForLock) throws IOException {
+ public RowLock getRowLock(byte[] row, boolean readLock) throws IOException {
+ // Make sure the row is inside of this region before getting the lock for it.
+ checkRow(row, "row lock");
+ // create an object to use a a key in the row lock map
HashedBytes rowKey = new HashedBytes(row);
- RowLockContext rowLockContext = new RowLockContext(rowKey);
- // loop until we acquire the row lock (unless !waitForLock)
- while (true) {
- RowLockContext existingContext = lockedRows.putIfAbsent(rowKey, rowLockContext);
- if (existingContext == null) {
- // Row is not already locked by any thread, use newly created context.
- break;
- } else if (existingContext.ownedByCurrentThread()) {
- // Row is already locked by current thread, reuse existing context instead.
- rowLockContext = existingContext;
- break;
- } else {
- if (!waitForLock) {
- return null;
+ RowLockContext rowLockContext = null;
+ RowLockImpl result = null;
+ TraceScope traceScope = null;
+
+ // If we're tracing start a span to show how long this took.
+ if (Trace.isTracing()) {
+ traceScope = Trace.startSpan("HRegion.getRowLock");
+ traceScope.getSpan().addTimelineAnnotation("Getting a " + (readLock?"readLock":"writeLock"));
+ }
+
+ try {
+ // Keep trying until we have a lock or error out.
+ // TODO: do we need to add a time component here?
+ while (result == null) {
+
+ // Try adding a RowLockContext to the lockedRows.
+ // If we can add it then there's no other transactions currently running.
+ rowLockContext = new RowLockContext(rowKey);
+ RowLockContext existingContext = lockedRows.putIfAbsent(rowKey, rowLockContext);
+
+ // if there was a running transaction then there's already a context.
+ if (existingContext != null) {
+ rowLockContext = existingContext;
}
- TraceScope traceScope = null;
- try {
- if (Trace.isTracing()) {
- traceScope = Trace.startSpan("HRegion.getRowLockInternal");
- }
- // Row is already locked by some other thread, give up or wait for it
- if (!existingContext.latch.await(this.rowLockWaitDuration, TimeUnit.MILLISECONDS)) {
- if(traceScope != null) {
- traceScope.getSpan().addTimelineAnnotation("Failed to get row lock");
- }
- throw new IOException("Timed out waiting for lock for row: " + rowKey);
- }
- if (traceScope != null) traceScope.close();
- traceScope = null;
- } catch (InterruptedException ie) {
- LOG.warn("Thread interrupted waiting for lock on row: " + rowKey);
- InterruptedIOException iie = new InterruptedIOException();
- iie.initCause(ie);
- throw iie;
- } finally {
- if (traceScope != null) traceScope.close();
+
+ // Now try an get the lock.
+ //
+ // This can fail as
+ if (readLock) {
+ result = rowLockContext.newReadLock();
+ } else {
+ result = rowLockContext.newWriteLock();
+ }
+ }
+ if (!result.getLock().tryLock(this.rowLockWaitDuration, TimeUnit.MILLISECONDS)) {
+ if (traceScope != null) {
+ traceScope.getSpan().addTimelineAnnotation("Failed to get row lock");
}
+ result = null;
+ // Clean up the counts just in case this was the thing keeping the context alive.
+ rowLockContext.cleanUp();
+ throw new IOException("Timed out waiting for lock for row: " + rowKey);
+ }
+ return result;
+ } catch (InterruptedException ie) {
+ LOG.warn("Thread interrupted waiting for lock on row: " + rowKey);
+ InterruptedIOException iie = new InterruptedIOException();
+ iie.initCause(ie);
+ if (traceScope != null) {
+ traceScope.getSpan().addTimelineAnnotation("Interrupted exception getting row lock");
+ }
+ Thread.currentThread().interrupt();
+ throw iie;
+ } finally {
+ if (traceScope != null) {
+ traceScope.close();
}
}
-
- // allocate new lock for this thread
- return rowLockContext.newLock();
- }
-
- /**
- * Acquires a lock on the given row.
- * The same thread may acquire multiple locks on the same row.
- * @return the acquired row lock
- * @throws IOException if the lock could not be acquired after waiting
- */
- public RowLock getRowLock(byte[] row) throws IOException {
- return getRowLock(row, true);
}
@Override
@@ -5131,6 +5133,97 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
+ @VisibleForTesting
+ class RowLockContext {
+ private final HashedBytes row;
+ final ReadWriteLock readWriteLock = new ReentrantReadWriteLock(true);
+ final AtomicBoolean usable = new AtomicBoolean(true);
+ final AtomicInteger count = new AtomicInteger(0);
+ final Object lock = new Object();
+
+ RowLockContext(HashedBytes row) {
+ this.row = row;
+ }
+
+ RowLockImpl newWriteLock() {
+ Lock l = readWriteLock.writeLock();
+ return getRowLock(l);
+ }
+ RowLockImpl newReadLock() {
+ Lock l = readWriteLock.readLock();
+ return getRowLock(l);
+ }
+
+ private RowLockImpl getRowLock(Lock l) {
+ count.incrementAndGet();
+ synchronized (lock) {
+ if (usable.get()) {
+ return new RowLockImpl(this, l);
+ } else {
+ return null;
+ }
+ }
+ }
+
+ void cleanUp() {
+ long c = count.decrementAndGet();
+ if (c <= 0) {
+ synchronized (lock) {
+ if (count.get() <= 0 ){
+ usable.set(false);
+ RowLockContext removed = lockedRows.remove(row);
+ assert removed == this: "we should never remove a different context";
+ }
+ }
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "RowLockContext{" +
+ "row=" + row +
+ ", readWriteLock=" + readWriteLock +
+ ", count=" + count +
+ '}';
+ }
+ }
+
+ /**
+ * Class used to represent a lock on a row.
+ */
+ public static class RowLockImpl implements RowLock {
+ private final RowLockContext context;
+ private final Lock lock;
+
+ public RowLockImpl(RowLockContext context, Lock lock) {
+ this.context = context;
+ this.lock = lock;
+ }
+
+ public Lock getLock() {
+ return lock;
+ }
+
+ @VisibleForTesting
+ public RowLockContext getContext() {
+ return context;
+ }
+
+ @Override
+ public void release() {
+ lock.unlock();
+ context.cleanUp();
+ }
+
+ @Override
+ public String toString() {
+ return "RowLockImpl{" +
+ "context=" + context +
+ ", lock=" + lock +
+ '}';
+ }
+ }
+
/**
* Determines whether multiple column families are present
* Precondition: familyPaths is not null
@@ -5276,7 +5369,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
this.getRegionInfo().getTable(),
ByteStringer.wrap(this.getRegionInfo().getEncodedNameAsBytes()), storeFiles, seqId);
WALUtil.writeBulkLoadMarkerAndSync(wal, this.htableDescriptor, getRegionInfo(),
- loadDescriptor, sequenceId);
+ loadDescriptor, mvcc);
} catch (IOException ioe) {
if (this.rsServices != null) {
// Have to abort region server because some hfiles has been loaded but we can't write
@@ -5438,7 +5531,8 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
@Override
- public synchronized boolean next(List<Cell> outResults, ScannerContext scannerContext) throws IOException {
+ public synchronized boolean next(List<Cell> outResults, ScannerContext scannerContext)
+ throws IOException {
if (this.filterClosed) {
throw new UnknownScannerException("Scanner was closed (timed out?) " +
"after we renewed it. Could be caused by a very slow scanner " +
@@ -5854,7 +5948,8 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
protected boolean nextRow(ScannerContext scannerContext, byte[] currentRow, int offset,
short length) throws IOException {
- assert this.joinedContinuationRow == null: "Trying to go to next row during joinedHeap read.";
+ assert this.joinedContinuationRow == null:
+ "Trying to go to next row during joinedHeap read.";
Cell next;
while ((next = this.storeHeap.peek()) != null &&
CellUtil.matchingRow(next, currentRow, offset, length)) {
@@ -6103,11 +6198,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
HRegion region = HRegion.newHRegion(tableDir,
effectiveWAL, fs, conf, info, hTableDescriptor, null);
- if (initialize) {
- // If initializing, set the sequenceId. It is also required by WALPerformanceEvaluation when
- // verifying the WALEdits.
- region.setSequenceId(region.initialize(null));
- }
+ if (initialize) region.initialize(null);
return region;
}
@@ -6320,7 +6411,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// Refuse to open the region if a required class cannot be loaded
checkClassLoading();
this.openSeqNum = initialize(reporter);
- this.setSequenceId(openSeqNum);
+ this.mvcc.advanceTo(openSeqNum);
if (wal != null && getRegionServerServices() != null && !writestate.readOnly
&& !recovering) {
// Only write the region open event marker to WAL if (1) we are not read-only
@@ -6746,7 +6837,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
List<RowLock> acquiredRowLocks;
long addedSize = 0;
List<Mutation> mutations = new ArrayList<Mutation>();
- List<Cell> memstoreCells = new ArrayList<Cell>();
Collection<byte[]> rowsToLock = processor.getRowsToLock();
long mvccNum = 0;
WALKey walKey = null;
@@ -6755,13 +6845,12 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
acquiredRowLocks = new ArrayList<RowLock>(rowsToLock.size());
for (byte[] row : rowsToLock) {
// Attempt to lock all involved rows, throw if any lock times out
+ // use a writer lock for mixed reads and writes
acquiredRowLocks.add(getRowLock(row));
}
// 3. Region lock
lock(this.updatesLock.readLock(), acquiredRowLocks.size() == 0 ? 1 : acquiredRowLocks.size());
locked = true;
- // Get a mvcc write number
- mvccNum = MultiVersionConcurrencyControl.getPreAssignedWriteNumber(this.sequenceId);
long now = EnvironmentEdgeManager.currentTime();
try {
@@ -6771,11 +6860,33 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
processor, now, this, mutations, walEdit, timeout);
if (!mutations.isEmpty()) {
- // 5. Start mvcc transaction
- writeEntry = mvcc.beginMemstoreInsertWithSeqNum(mvccNum);
- // 6. Call the preBatchMutate hook
+
+ // 5. Call the preBatchMutate hook
processor.preBatchMutate(this, walEdit);
- // 7. Apply to memstore
+
+ long txid = 0;
+ // 6. Append no sync
+ if (!walEdit.isEmpty()) {
+ // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
+ walKey = new HLogKey(this.getRegionInfo().getEncodedNameAsBytes(),
+ this.htableDescriptor.getTableName(), WALKey.NO_SEQUENCE_ID, now,
+ processor.getClusterIds(), nonceGroup, nonce, mvcc);
+ txid = this.wal.append(this.htableDescriptor, this.getRegionInfo(),
+ walKey, walEdit, false);
+ }
+ if(walKey == null){
+ // since we use wal sequence Id as mvcc, for SKIP_WAL changes we need a "faked" WALEdit
+ // to get a sequence id assigned which is done by FSWALEntry#stampRegionSequenceId
+ walKey = this.appendEmptyEdit(this.wal);
+ }
+
+ // 7. Start mvcc transaction
+ writeEntry = walKey.getWriteEntry();
+ mvccNum = walKey.getSequenceId();
+
+
+
+ // 8. Apply to memstore
for (Mutation m : mutations) {
// Handle any tag based cell features
rewriteCellTags(m.getFamilyCellMap(), m);
@@ -6790,25 +6901,9 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
Pair<Long, Cell> ret = store.add(cell);
addedSize += ret.getFirst();
- memstoreCells.add(ret.getSecond());
}
}
- long txid = 0;
- // 8. Append no sync
- if (!walEdit.isEmpty()) {
- // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
- walKey = new HLogKey(this.getRegionInfo().getEncodedNameAsBytes(),
- this.htableDescriptor.getTableName(), WALKey.NO_SEQUENCE_ID, now,
- processor.getClusterIds(), nonceGroup, nonce);
- txid = this.wal.append(this.htableDescriptor, this.getRegionInfo(),
- walKey, walEdit, getSequenceId(), true, memstoreCells);
- }
- if(walKey == null){
- // since we use wal sequence Id as mvcc, for SKIP_WAL changes we need a "faked" WALEdit
- // to get a sequence id assigned which is done by FSWALEntry#stampRegionSequenceId
- walKey = this.appendEmptyEdit(this.wal, memstoreCells);
- }
// 9. Release region lock
if (locked) {
this.updatesLock.readLock().unlock();
@@ -6841,13 +6936,13 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
if (writeEntry != null) {
- mvcc.cancelMemstoreInsert(writeEntry);
+ mvcc.complete(writeEntry);
writeEntry = null;
}
}
// 13. Roll mvcc forward
if (writeEntry != null) {
- mvcc.completeMemstoreInsertWithSeqNum(writeEntry, walKey);
+ mvcc.completeAndWait(writeEntry);
}
if (locked) {
this.updatesLock.readLock().unlock();
@@ -6918,6 +7013,46 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
+ /**
+ * @param cell
+ * @param tags
+ * @return The passed-in List<Tag> but with the tags from <code>cell</code> added.
+ */
+ private static List<Tag> carryForwardTags(final Cell cell, final List<Tag> tags) {
+ if (cell.getTagsLength() <= 0) return tags;
+ List<Tag> newTags = tags == null? new ArrayList<Tag>(): /*Append Tags*/tags;
+ Iterator<Tag> i =
+ CellUtil.tagsIterator(cell.getTagsArray(), cell.getTagsOffset(), cell.getTagsLength());
+ while (i.hasNext()) newTags.add(i.next());
+ return newTags;
+ }
+
+ /**
+ * Run a Get against passed in <code>store</code> on passed <code>row</code>, etc.
+ * @param store
+ * @param row
+ * @param family
+ * @param tr
+ * @return Get result.
+ * @throws IOException
+ */
+ private List<Cell> doGet(final Store store, final byte [] row,
+ final Map.Entry<byte[], List<Cell>> family, final TimeRange tr)
+ throws IOException {
+ // Sort the cells so that they match the order that they
+ // appear in the Get results. Otherwise, we won't be able to
+ // find the existing values if the cells are not specified
+ // in order by the client since cells are in an array list.
+ Collections.sort(family.getValue(), store.getComparator());
+ // Get previous values for all columns in this family
+ Get get = new Get(row);
+ for (Cell cell : family.getValue()) {
+ get.addColumn(family.getKey(), CellUtil.cloneQualifier(cell));
+ }
+ if (tr != null) get.setTimeRange(tr.getMin(), tr.getMax());
+ return get(get, false);
+ }
+
public Result append(Append append) throws IOException {
return append(append, HConstants.NO_NONCE, HConstants.NO_NONCE);
}
@@ -6927,64 +7062,49 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// transactions, so all stores only go through one code path for puts.
@Override
- public Result append(Append append, long nonceGroup, long nonce) throws IOException {
- byte[] row = append.getRow();
- checkRow(row, "append");
+ public Result append(Append mutate, long nonceGroup, long nonce) throws IOException {
+ Operation op = Operation.APPEND;
+ byte[] row = mutate.getRow();
+ checkRow(row, op.toString());
boolean flush = false;
- Durability durability = getEffectiveDurability(append.getDurability());
+ Durability durability = getEffectiveDurability(mutate.getDurability());
boolean writeToWAL = durability != Durability.SKIP_WAL;
WALEdit walEdits = null;
- List<Cell> allKVs = new ArrayList<Cell>(append.size());
+ List<Cell> allKVs = new ArrayList<Cell>(mutate.size());
Map<Store, List<Cell>> tempMemstore = new HashMap<Store, List<Cell>>();
long size = 0;
long txid = 0;
-
checkReadOnly();
checkResources();
// Lock row
- startRegionOperation(Operation.APPEND);
+ startRegionOperation(op);
this.writeRequestsCount.increment();
- long mvccNum = 0;
- WriteEntry writeEntry = null;
- WALKey walKey = null;
RowLock rowLock = null;
- List<Cell> memstoreCells = new ArrayList<Cell>();
+ WALKey walKey = null;
+ MultiVersionConcurrencyControl.WriteEntry writeEntry = null;
boolean doRollBackMemstore = false;
try {
rowLock = getRowLock(row);
+ assert rowLock != null;
try {
lock(this.updatesLock.readLock());
try {
- // wait for all prior MVCC transactions to finish - while we hold the row lock
- // (so that we are guaranteed to see the latest state)
- mvcc.waitForPreviousTransactionsComplete();
+ // Wait for all prior MVCC transactions to finish - while we hold the row lock
+ // (so that we are guaranteed to see the latest state when we do our Get)
+ mvcc.await();
if (this.coprocessorHost != null) {
- Result r = this.coprocessorHost.preAppendAfterRowLock(append);
- if(r!= null) {
+ Result r = this.coprocessorHost.preAppendAfterRowLock(mutate);
+ if (r!= null) {
return r;
}
}
- // now start my own transaction
- mvccNum = MultiVersionConcurrencyControl.getPreAssignedWriteNumber(this.sequenceId);
- writeEntry = mvcc.beginMemstoreInsertWithSeqNum(mvccNum);
long now = EnvironmentEdgeManager.currentTime();
// Process each family
- for (Map.Entry<byte[], List<Cell>> family : append.getFamilyCellMap().entrySet()) {
-
+ for (Map.Entry<byte[], List<Cell>> family : mutate.getFamilyCellMap().entrySet()) {
Store store = stores.get(family.getKey());
List<Cell> kvs = new ArrayList<Cell>(family.getValue().size());
- // Sort the cells so that they match the order that they
- // appear in the Get results. Otherwise, we won't be able to
- // find the existing values if the cells are not specified
- // in order by the client since cells are in an array list.
- Collections.sort(family.getValue(), store.getComparator());
- // Get previous values for all columns in this family
- Get get = new Get(row);
- for (Cell cell : family.getValue()) {
- get.addColumn(family.getKey(), CellUtil.cloneQualifier(cell));
- }
- List<Cell> results = get(get, false);
+ List<Cell> results = doGet(store, row, family, null);
// Iterate the input columns and update existing values if they were
// found, otherwise add new column initialized to the append value
@@ -7002,30 +7122,15 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
long ts = Math.max(now, oldCell.getTimestamp());
// Process cell tags
- List<Tag> newTags = new ArrayList<Tag>();
-
// Make a union of the set of tags in the old and new KVs
-
- if (oldCell.getTagsLength() > 0) {
- Iterator<Tag> i = CellUtil.tagsIterator(oldCell.getTagsArray(),
- oldCell.getTagsOffset(), oldCell.getTagsLength());
- while (i.hasNext()) {
- newTags.add(i.next());
- }
- }
- if (cell.getTagsLength() > 0) {
- Iterator<Tag> i = CellUtil.tagsIterator(cell.getTagsArray(),
- cell.getTagsOffset(), cell.getTagsLength());
- while (i.hasNext()) {
- newTags.add(i.next());
- }
- }
+ List<Tag> newTags = carryForwardTags(oldCell, new ArrayList<Tag>());
+ newTags = carryForwardTags(cell, newTags);
// Cell TTL handling
- if (append.getTTL() != Long.MAX_VALUE) {
+ if (mutate.getTTL() != Long.MAX_VALUE) {
// Add the new TTL tag
- newTags.add(new Tag(TagType.TTL_TAG_TYPE, Bytes.toBytes(append.getTTL())));
+ newTags.add(new Tag(TagType.TTL_TAG_TYPE, Bytes.toBytes(mutate.getTTL())));
}
// Rebuild tags
@@ -7063,9 +7168,9 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// Cell TTL handling
- if (append.getTTL() != Long.MAX_VALUE) {
+ if (mutate.getTTL() != Long.MAX_VALUE) {
List<Tag> newTags = new ArrayList<Tag>(1);
- newTags.add(new Tag(TagType.TTL_TAG_TYPE, Bytes.toBytes(append.getTTL())));
+ newTags.add(new Tag(TagType.TTL_TAG_TYPE, Bytes.toBytes(mutate.getTTL())));
// Add the new TTL tag
newCell = new KeyValue(cell.getRowArray(), cell.getRowOffset(),
cell.getRowLength(),
@@ -7081,11 +7186,10 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
- CellUtil.setSequenceId(newCell, mvccNum);
// Give coprocessors a chance to update the new cell
if (coprocessorHost != null) {
newCell = coprocessorHost.postMutationBeforeWAL(RegionObserver.MutationType.APPEND,
- append, oldCell, newCell);
+ mutate, oldCell, newCell);
}
kvs.add(newCell);
@@ -7102,47 +7206,64 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
tempMemstore.put(store, kvs);
}
- //Actually write to Memstore now
- for (Map.Entry<Store, List<Cell>> entry : tempMemstore.entrySet()) {
- Store store = entry.getKey();
- if (store.getFamily().getMaxVersions() == 1) {
- // upsert if VERSIONS for this CF == 1
- size += store.upsert(entry.getValue(), getSmallestReadPoint());
- memstoreCells.addAll(entry.getValue());
+ // Actually write to WAL now
+ if (walEdits != null && !walEdits.isEmpty()) {
+ if (writeToWAL) {
+ // Using default cluster id, as this can only happen in the originating
+ // cluster. A slave cluster receives the final value (not the delta)
+ // as a Put.
+ // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
+ walKey = new HLogKey(
+ getRegionInfo().getEncodedNameAsBytes(),
+ this.htableDescriptor.getTableName(),
+ WALKey.NO_SEQUENCE_ID,
+ nonceGroup,
+ nonce,
+ mvcc);
+ txid =
+ this.wal.append(this.htableDescriptor, getRegionInfo(), walKey, walEdits, true);
} else {
- // otherwise keep older versions around
- for (Cell cell: entry.getValue()) {
- Pair<Long, Cell> ret = store.add(cell);
- size += ret.getFirst();
- memstoreCells.add(ret.getSecond());
- doRollBackMemstore = true;
- }
+ recordMutationWithoutWal(mutate.getFamilyCellMap());
}
- allKVs.addAll(entry.getValue());
- }
-
- // Actually write to WAL now
- if (writeToWAL) {
- // Using default cluster id, as this can only happen in the originating
- // cluster. A slave cluster receives the final value (not the delta)
- // as a Put.
- // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
- walKey = new HLogKey(getRegionInfo().getEncodedNameAsBytes(),
- this.htableDescriptor.getTableName(), WALKey.NO_SEQUENCE_ID, nonceGroup, nonce);
- txid = this.wal.append(this.htableDescriptor, getRegionInfo(), walKey, walEdits,
- this.sequenceId, true, memstoreCells);
- } else {
- recordMutationWithoutWal(append.getFamilyCellMap());
}
if (walKey == null) {
// Append a faked WALEdit in order for SKIP_WAL updates to get mvcc assigned
- walKey = this.appendEmptyEdit(this.wal, memstoreCells);
+ walKey = this.appendEmptyEdit(this.wal);
+ }
+
+ // now start my own transaction
+ writeEntry = walKey.getWriteEntry();
+
+
+ // Actually write to Memstore now
+ if (!tempMemstore.isEmpty()) {
+ for (Map.Entry<Store, List<Cell>> entry : tempMemstore.entrySet()) {
+ Store store = entry.getKey();
+ if (store.getFamily().getMaxVersions() == 1) {
+ // upsert if VERSIONS for this CF == 1
+ // Is this right? It immediately becomes visible? St.Ack 20150907
+ size += store.upsert(entry.getValue(), getSmallestReadPoint());
+ } else {
+ // otherwise keep older versions around
+ for (Cell cell: entry.getValue()) {
+ CellUtil.setSequenceId(cell, writeEntry.getWriteNumber());
+ Pair<Long, Cell> ret = store.add(cell);
+ size += ret.getFirst();
+ doRollBackMemstore = true;
+ }
+ }
+ // We add to all KVs here whereas when doing increment, we do it
+ // earlier... why?
+ allKVs.addAll(entry.getValue());
+ }
+
+ size = this.addAndGetGlobalMemstoreSize(size);
+ flush = isFlushSize(size);
}
- size = this.addAndGetGlobalMemstoreSize(size);
- flush = isFlushSize(size);
} finally {
this.updatesLock.readLock().unlock();
}
+
} finally {
rowLock.release();
rowLock = null;
@@ -7158,13 +7279,13 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
// if the wal sync was unsuccessful, remove keys from memstore
if (doRollBackMemstore) {
- rollbackMemstore(memstoreCells);
- if (writeEntry != null) mvcc.cancelMemstoreInsert(writeEntry);
+ rollbackMemstore(allKVs);
+ if (writeEntry != null) mvcc.complete(writeEntry);
} else if (writeEntry != null) {
- mvcc.completeMemstoreInsertWithSeqNum(writeEntry, walKey);
+ mvcc.completeAndWait(writeEntry);
}
- closeRegionOperation(Operation.APPEND);
+ closeRegionOperation(op);
}
if (this.metricsRegion != null) {
@@ -7176,8 +7297,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
requestFlush();
}
-
- return append.isReturnResults() ? Result.create(allKVs) : null;
+ return mutate.isReturnResults() ? Result.create(allKVs) : null;
}
public Result increment(Increment increment) throws IOException {
@@ -7188,89 +7308,73 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// We should refactor append and increment as local get-mutate-put
// transactions, so all stores only go through one code path for puts.
+ // They are subtley different in quiet a few ways. This came out only
+ // after study. I am not sure that many of the differences are intentional.
+ // TODO: St.Ack 20150907
+
@Override
- public Result increment(Increment increment, long nonceGroup, long nonce)
+ public Result increment(Increment mutation, long nonceGroup, long nonce)
throws IOException {
- byte [] row = increment.getRow();
- checkRow(row, "increment");
- TimeRange tr = increment.getTimeRange();
+ Operation op = Operation.INCREMENT;
+ byte [] row = mutation.getRow();
+ checkRow(row, op.toString());
boolean flush = false;
- Durability durability = getEffectiveDurability(increment.getDurability());
+ Durability durability = getEffectiveDurability(mutation.getDurability());
boolean writeToWAL = durability != Durability.SKIP_WAL;
WALEdit walEdits = null;
- List<Cell> allKVs = new ArrayList<Cell>(increment.size());
+ List<Cell> allKVs = new ArrayList<Cell>(mutation.size());
+
Map<Store, List<Cell>> tempMemstore = new HashMap<Store, List<Cell>>();
-
long size = 0;
long txid = 0;
-
checkReadOnly();
checkResources();
// Lock row
- startRegionOperation(Operation.INCREMENT);
+ startRegionOperation(op);
this.writeRequestsCount.increment();
RowLock rowLock = null;
- WriteEntry writeEntry = null;
WALKey walKey = null;
- long mvccNum = 0;
- List<Cell> memstoreCells = new ArrayList<Cell>();
+ MultiVersionConcurrencyControl.WriteEntry writeEntry = null;
boolean doRollBackMemstore = false;
+ TimeRange tr = mutation.getTimeRange();
try {
rowLock = getRowLock(row);
+ assert rowLock != null;
try {
lock(this.updatesLock.readLock());
try {
// wait for all prior MVCC transactions to finish - while we hold the row lock
// (so that we are guaranteed to see the latest state)
- mvcc.waitForPreviousTransactionsComplete();
+ mvcc.await();
if (this.coprocessorHost != null) {
- Result r = this.coprocessorHost.preIncrementAfterRowLock(increment);
+ Result r = this.coprocessorHost.preIncrementAfterRowLock(mutation);
if (r != null) {
return r;
}
}
- // now start my own transaction
- mvccNum = MultiVersionConcurrencyControl.getPreAssignedWriteNumber(this.sequenceId);
- writeEntry = mvcc.beginMemstoreInsertWithSeqNum(mvccNum);
long now = EnvironmentEdgeManager.currentTime();
// Process each family
- for (Map.Entry<byte [], List<Cell>> family:
- increment.getFamilyCellMap().entrySet()) {
-
+ for (Map.Entry<byte [], List<Cell>> family: mutation.getFamilyCellMap().entrySet()) {
Store store = stores.get(family.getKey());
List<Cell> kvs = new ArrayList<Cell>(family.getValue().size());
- // Sort the cells so that they match the order that they
- // appear in the Get results. Otherwise, we won't be able to
- // find the existing values if the cells are not specified
- // in order by the client since cells are in an array list.
- Collections.sort(family.getValue(), store.getComparator());
- // Get previous values for all columns in this family
- Get get = new Get(row);
- for (Cell cell: family.getValue()) {
- get.addColumn(family.getKey(), CellUtil.cloneQualifier(cell));
- }
- get.setTimeRange(tr.getMin(), tr.getMax());
- List<Cell> results = get(get, false);
+ List<Cell> results = doGet(store, row, family, tr);
// Iterate the input columns and update existing values if they were
// found, otherwise add new column initialized to the increment amount
+
+ // Avoid as much copying as possible. We may need to rewrite and
+ // consolidate tags. Bytes are only copied once.
+ // Would be nice if KeyValue had scatter/gather logic
int idx = 0;
+ // HERE WE DIVERGE FROM APPEND
List<Cell> edits = family.getValue();
for (int i = 0; i < edits.size(); i++) {
Cell cell = edits.get(i);
long amount = Bytes.toLong(CellUtil.cloneValue(cell));
boolean noWriteBack = (amount == 0);
- List<Tag> newTags = new ArrayList<Tag>();
-
- // Carry forward any tags that might have been added by a coprocessor
- if (cell.getTagsLength() > 0) {
- Iterator<Tag> itr = CellUtil.tagsIterator(cell.getTagsArray(),
- cell.getTagsOffset(), cell.getTagsLength());
- while (itr.hasNext()) {
- newTags.add(itr.next());
- }
- }
+
+ List<Tag> newTags = carryForwardTags(cell, new ArrayList<Tag>());
Cell c = null;
long ts = now;
@@ -7285,15 +7389,10 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
"Attempted to increment field that isn't 64 bits wide");
}
// Carry tags forward from previous version
- if (c.getTagsLength() > 0) {
- Iterator<Tag> itr = CellUtil.tagsIterator(c.getTagsArray(),
- c.getTagsOffset(), c.getTagsLength());
- while (itr.hasNext()) {
- newTags.add(itr.next());
- }
- }
- if (i < (edits.size() - 1) && !CellUtil.matchingQualifier(cell, edits.get(i + 1)))
+ newTags = carryForwardTags(c, newTags);
+ if (i < (edits.size() - 1) && !CellUtil.matchingQualifier(cell, edits.get(i + 1))) {
idx++;
+ }
}
// Append new incremented KeyValue to list
@@ -7301,8 +7400,8 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
byte[] val = Bytes.toBytes(amount);
// Add the TTL tag if the mutation carried one
- if (increment.getTTL() != Long.MAX_VALUE) {
- newTags.add(new Tag(TagType.TTL_TAG_TYPE, Bytes.toBytes(increment.getTTL())));
+ if (mutation.getTTL() != Long.MAX_VALUE) {
+ newTags.add(new Tag(TagType.TTL_TAG_TYPE, Bytes.toBytes(mutation.getTTL())));
}
Cell newKV = new KeyValue(row, 0, row.length,
@@ -7313,12 +7412,10 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
val, 0, val.length,
newTags);
- CellUtil.setSequenceId(newKV, mvccNum);
-
// Give coprocessors a chance to update the new cell
if (coprocessorHost != null) {
newKV = coprocessorHost.postMutationBeforeWAL(
- RegionObserver.MutationType.INCREMENT, increment, c, newKV);
+ RegionObserver.MutationType.INCREMENT, mutation, c, newKV);
}
allKVs.add(newKV);
@@ -7341,20 +7438,47 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
}
- //Actually write to Memstore now
+ // Actually write to WAL now
+ if (walEdits != null && !walEdits.isEmpty()) {
+ if (writeToWAL) {
+ // Using default cluster id, as this can only happen in the originating
+ // cluster. A slave cluster receives the final value (not the delta)
+ // as a Put.
+ // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
+ walKey = new HLogKey(this.getRegionInfo().getEncodedNameAsBytes(),
+ this.htableDescriptor.getTableName(),
+ WALKey.NO_SEQUENCE_ID,
+ nonceGroup,
+ nonce,
+ mvcc);
+ txid = this.wal.append(this.htableDescriptor, this.getRegionInfo(),
+ walKey, walEdits, true);
+ } else {
+ recordMutationWithoutWal(mutation.getFamilyCellMap());
+ }
+ }
+ if (walKey == null) {
+ // Append a faked WALEdit in order for SKIP_WAL updates to get mvccNum assigned
+ walKey = this.appendEmptyEdit(this.wal);
+ }
+
+ // now start my own transaction
+ writeEntry = walKey.getWriteEntry();
+
+ // Actually write to Memstore now
if (!tempMemstore.isEmpty()) {
for (Map.Entry<Store, List<Cell>> entry : tempMemstore.entrySet()) {
Store store = entry.getKey();
if (store.getFamily().getMaxVersions() == 1) {
// upsert if VERSIONS for this CF == 1
+ // Is this right? It immediately becomes visible? St.Ack 20150907
size += store.upsert(entry.getValue(), getSmallestReadPoint());
- memstoreCells.addAll(entry.getValue());
} else {
// otherwise keep older versions around
for (Cell cell : entry.getValue()) {
+ CellUtil.setSequenceId(cell, writeEntry.getWriteNumber());
Pair<Long, Cell> ret = store.add(cell);
size += ret.getFirst();
- memstoreCells.add(ret.getSecond());
doRollBackMemstore = true;
}
}
@@ -7362,26 +7486,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
size = this.addAndGetGlobalMemstoreSize(size);
flush = isFlushSize(size);
}
-
- // Actually write to WAL now
- if (walEdits != null && !walEdits.isEmpty()) {
- if (writeToWAL) {
- // Using default cluster id, as this can only happen in the originating
- // cluster. A slave cluster receives the final value (not the delta)
- // as a Put.
- // we use HLogKey here instead of WALKey directly to support legacy coprocessors.
- walKey = new HLogKey(this.getRegionInfo().getEncodedNameAsBytes(),
- this.htableDescriptor.getTableName(), WALKey.NO_SEQUENCE_ID, nonceGroup, nonce);
- txid = this.wal.append(this.htableDescriptor, this.getRegionInfo(),
- walKey, walEdits, getSequenceId(), true, memstoreCells);
- } else {
- recordMutationWithoutWal(increment.getFamilyCellMap());
- }
- }
- if(walKey == null){
- // Append a faked WALEdit in order for SKIP_WAL updates to get mvccNum assigned
- walKey = this.appendEmptyEdit(this.wal, memstoreCells);
- }
} finally {
this.updatesLock.readLock().unlock();
}
@@ -7400,10 +7504,12 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
// if the wal sync was unsuccessful, remove keys from memstore
if (doRollBackMemstore) {
- rollbackMemstore(memstoreCells);
- if (writeEntry != null) mvcc.cancelMemstoreInsert(writeEntry);
+ for(List<Cell> cells: tempMemstore.values()) {
+ rollbackMemstore(cells);
+ }
+ if (writeEntry != null) mvcc.complete(writeEntry);
} else if (writeEntry != null) {
- mvcc.completeMemstoreInsertWithSeqNum(writeEntry, walKey);
+ mvcc.completeAndWait(writeEntry);
}
closeRegionOperation(Operation.INCREMENT);
if (this.metricsRegion != null) {
@@ -7415,7 +7521,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
// Request a cache flush. Do it outside update lock.
requestFlush();
}
- return increment.isReturnResults() ? Result.create(allKVs) : null;
+ return mutation.isReturnResults() ? Result.create(allKVs) : null;
}
//
@@ -7434,7 +7540,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
public static final long FIXED_OVERHEAD = ClassSize.align(
ClassSize.OBJECT +
ClassSize.ARRAY +
- 45 * ClassSize.REFERENCE + 3 * Bytes.SIZEOF_INT +
+ 44 * ClassSize.REFERENCE + 3 * Bytes.SIZEOF_INT +
(14 * Bytes.SIZEOF_LONG) +
5 * Bytes.SIZEOF_BOOLEAN);
@@ -7579,7 +7685,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
throw new IOException("Not a known catalog table: " + p.toString());
}
try {
- region.initialize(null);
+ region.mvcc.advanceTo(region.initialize(null));
if (majorCompact) {
region.compact(true);
} else {
@@ -7798,7 +7904,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
/**
- * Update counters for numer of puts without wal and the size of possible data loss.
+ * Update counters for number of puts without wal and the size of possible data loss.
* These information are exposed by the region server metrics.
*/
private void recordMutationWithoutWal(final Map<byte [], List<Cell>> familyMap) {
@@ -7997,103 +8103,37 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
/**
- * Do not change this sequence id. See {@link #sequenceId} comment.
+ * Do not change this sequence id.
* @return sequenceId
*/
@VisibleForTesting
- public AtomicLong getSequenceId() {
- return this.sequenceId;
- }
-
- /**
- * sets this region's sequenceId.
- * @param value new value
- */
- private void setSequenceId(long value) {
- this.sequenceId.set(value);
- }
-
- @VisibleForTesting class RowLockContext {
- private final HashedBytes row;
- private final CountDownLatch latch = new CountDownLatch(1);
- private final Thread thread;
- private int lockCount = 0;
-
- RowLockContext(HashedBytes row) {
- this.row = row;
- this.thread = Thread.currentThread();
- }
-
- boolean ownedByCurrentThread() {
- return thread == Thread.currentThread();
- }
-
- RowLock newLock() {
- lockCount++;
- RowLockImpl rl = new RowLockImpl();
- rl.setContext(this);
- return rl;
- }
-
- void releaseLock() {
- if (!ownedByCurrentThread()) {
- throw new IllegalArgumentException("Lock held by thread: " + thread
- + " cannot be released by different thread: " + Thread.currentThread());
- }
- lockCount--;
- if (lockCount == 0) {
- // no remaining locks by the thread, unlock and allow other threads to access
- RowLockContext existingContext = lockedRows.remove(row);
- if (existingContext != this) {
- throw new RuntimeException(
- "Internal row lock state inconsistent, should not happen, row: " + row);
- }
- latch.countDown();
- }
- }
+ public long getSequenceId() {
+ return this.mvcc.getReadPoint();
}
- public static class RowLockImpl implements RowLock {
- private RowLockContext context;
- private boolean released = false;
-
- @VisibleForTesting
- public RowLockContext getContext() {
- return context;
- }
-
- @VisibleForTesting
- public void setContext(RowLockContext context) {
- this.context = context;
- }
-
- @Override
- public void release() {
- if (!released) {
- context.releaseLock();
- }
- released = true;
- }
- }
/**
* Append a faked WALEdit in order to get a long sequence number and wal syncer will just ignore
* the WALEdit append later.
* @param wal
- * @param cells list of Cells inserted into memstore. Those Cells are passed in order to
- * be updated with right mvcc values(their wal sequence number)
* @return Return the key used appending with no sync and no append.
* @throws IOException
*/
- private WALKey appendEmptyEdit(final WAL wal, List<Cell> cells) throws IOException {
+ private WALKey appendEmptyEdit(final WAL wal) throws IOException {
// we use HLogKey here instead of WALKey directly to support legacy coprocessors.
@SuppressWarnings("deprecation")
- WALKey key = new HLogKey(getRegionInfo().getEncodedNameAsBytes(), getRegionInfo().getTable(),
- WALKey.NO_SEQUENCE_ID, 0, null, HConstants.NO_NONCE, HConstants.NO_NONCE);
- // Call append but with an empty WALEdit. The returned seqeunce id will not be associated
+ WALKey key = new HLogKey(getRegionInfo().getEncodedNameAsBytes(),
+ getRegionInfo().getTable(), WALKey.NO_SEQUENCE_ID, 0, null,
+ HConstants.NO_NONCE, HConstants.NO_NONCE, getMVCC());
+
+ // Call append but with an empty WALEdit. The returned sequence id will not be associated
// with any edit and we can be sure it went in after all outstanding appends.
- wal.append(getTableDesc(), getRegionInfo(), key, WALEdit.EMPTY_WALEDIT, getSequenceId(), false,
- cells);
+ try {
+ wal.append(getTableDesc(), getRegionInfo(), key, WALEdit.EMPTY_WALEDIT, false);
+ } catch (Throwable t) {
+ // If exception, our mvcc won't get cleaned up by client, so do it here.
+ getMVCC().complete(key.getWriteEntry());
+ }
return key;
}