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Posted to commits@kylin.apache.org by li...@apache.org on 2016/12/27 14:43:30 UTC
[3/7] kylin git commit: minor code refactors
minor code refactors
Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/fa4a5ee2
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/fa4a5ee2
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/fa4a5ee2
Branch: refs/heads/master
Commit: fa4a5ee269eea66eee5b8ab8278305dfe0144c92
Parents: 00de441
Author: Hongbin Ma <ma...@apache.org>
Authored: Thu Dec 22 09:59:43 2016 +0800
Committer: Hongbin Ma <ma...@apache.org>
Committed: Tue Dec 27 22:15:44 2016 +0800
----------------------------------------------------------------------
.../apache/kylin/common/KylinConfigBase.java | 6 ++-
.../org/apache/kylin/common/util/BasicTest.java | 1 +
.../gtrecord/DummyPartitionStreamer.java | 40 ++++++++++++++++++++
.../storage/gtrecord/IPartitionStreamer.java | 26 +++++++++++++
.../gtrecord/StorageResponseGTScatter.java | 9 +++--
.../apache/kylin/rest/service/QueryService.java | 6 ++-
.../hbase/cube/v2/CubeHBaseEndpointRPC.java | 9 +++--
7 files changed, 87 insertions(+), 10 deletions(-)
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http://git-wip-us.apache.org/repos/asf/kylin/blob/fa4a5ee2/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
----------------------------------------------------------------------
diff --git a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
index 8080577..d73b694 100644
--- a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
+++ b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
@@ -750,7 +750,7 @@ abstract public class KylinConfigBase implements Serializable {
return Boolean.valueOf(getOptional("kylin.query.skip-empty-segments", "true"));
}
- @Deprecated//Limit is good even it's large. This config is meaning less since we already have scan threshold
+ @Deprecated //Limit is good even it's large. This config is meaning less since we already have scan threshold
public int getStoragePushDownLimitMax() {
return Integer.parseInt(getOptional("kylin.query.max-limit-pushdown", "10000"));
}
@@ -759,6 +759,10 @@ abstract public class KylinConfigBase implements Serializable {
return Integer.parseInt(getOptional("kylin.query.scan-threshold", "10000000"));
}
+ public int getLargeQueryThreshold() {
+ return Integer.parseInt(getOptional("kylin.query.large-query-threshold", String.valueOf((int) (getScanThreshold() * 0.1))));
+ }
+
public int getDerivedInThreshold() {
return Integer.parseInt(getOptional("kylin.query.derived-filter-translation-threshold", "20"));
}
http://git-wip-us.apache.org/repos/asf/kylin/blob/fa4a5ee2/core-common/src/test/java/org/apache/kylin/common/util/BasicTest.java
----------------------------------------------------------------------
diff --git a/core-common/src/test/java/org/apache/kylin/common/util/BasicTest.java b/core-common/src/test/java/org/apache/kylin/common/util/BasicTest.java
index 5eaa011..9105245 100644
--- a/core-common/src/test/java/org/apache/kylin/common/util/BasicTest.java
+++ b/core-common/src/test/java/org/apache/kylin/common/util/BasicTest.java
@@ -34,6 +34,7 @@ import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
+import com.google.common.collect.Iterators;
import org.apache.commons.lang3.time.FastDateFormat;
import org.junit.Ignore;
import org.junit.Test;
http://git-wip-us.apache.org/repos/asf/kylin/blob/fa4a5ee2/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/DummyPartitionStreamer.java
----------------------------------------------------------------------
diff --git a/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/DummyPartitionStreamer.java b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/DummyPartitionStreamer.java
new file mode 100644
index 0000000..4caaed0
--- /dev/null
+++ b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/DummyPartitionStreamer.java
@@ -0,0 +1,40 @@
+/*
+ * 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.kylin.storage.gtrecord;
+
+import java.io.IOException;
+import java.util.Iterator;
+
+public class DummyPartitionStreamer implements IPartitionStreamer {
+ private Iterator<byte[]> iterator;
+
+ public DummyPartitionStreamer(Iterator<byte[]> iterator) {
+ this.iterator = iterator;
+ }
+
+ @Override
+ public void close() throws IOException {
+ //do nothing
+ }
+
+ @Override
+ public Iterator<byte[]> asByteArrayIterator() {
+ return this.iterator;
+ }
+}
http://git-wip-us.apache.org/repos/asf/kylin/blob/fa4a5ee2/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/IPartitionStreamer.java
----------------------------------------------------------------------
diff --git a/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/IPartitionStreamer.java b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/IPartitionStreamer.java
new file mode 100644
index 0000000..42f1151
--- /dev/null
+++ b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/IPartitionStreamer.java
@@ -0,0 +1,26 @@
+/*
+ * 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.kylin.storage.gtrecord;
+
+import java.io.Closeable;
+import java.util.Iterator;
+
+public interface IPartitionStreamer extends Closeable {
+ public Iterator<byte[]> asByteArrayIterator();
+}
http://git-wip-us.apache.org/repos/asf/kylin/blob/fa4a5ee2/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/StorageResponseGTScatter.java
----------------------------------------------------------------------
diff --git a/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/StorageResponseGTScatter.java b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/StorageResponseGTScatter.java
index fe1afd3..6283340 100644
--- a/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/StorageResponseGTScatter.java
+++ b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/StorageResponseGTScatter.java
@@ -42,14 +42,16 @@ public class StorageResponseGTScatter implements IGTScanner {
private static final Logger logger = LoggerFactory.getLogger(StorageResponseGTScatter.class);
private GTInfo info;
+ private IPartitionStreamer partitionStreamer;
private Iterator<byte[]> blocks;
private ImmutableBitSet columns;
private long totalScannedCount;
private int storagePushDownLimit = -1;
- public StorageResponseGTScatter(GTInfo info, Iterator<byte[]> blocks, ImmutableBitSet columns, long totalScannedCount, int storagePushDownLimit) {
+ public StorageResponseGTScatter(GTInfo info, IPartitionStreamer partitionStreamer, ImmutableBitSet columns, long totalScannedCount, int storagePushDownLimit) {
this.info = info;
- this.blocks = blocks;
+ this.partitionStreamer = partitionStreamer;
+ this.blocks = partitionStreamer.asByteArrayIterator();
this.columns = columns;
this.totalScannedCount = totalScannedCount;
this.storagePushDownLimit = storagePushDownLimit;
@@ -67,7 +69,8 @@ public class StorageResponseGTScatter implements IGTScanner {
@Override
public void close() throws IOException {
- //do nothing
+ //If upper consumer failed while consuming the GTRecords, the consumer should call IGTScanner's close method to ensure releasing resource
+ partitionStreamer.close();
}
@Override
http://git-wip-us.apache.org/repos/asf/kylin/blob/fa4a5ee2/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java b/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
index 8810c85..82e4a87 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
@@ -360,8 +360,10 @@ public class QueryService extends BasicService {
sqlResponse.setDuration(System.currentTimeMillis() - startTime);
logger.info("Stats of SQL response: isException: {}, duration: {}, total scan count {}", //
String.valueOf(sqlResponse.getIsException()), String.valueOf(sqlResponse.getDuration()), String.valueOf(sqlResponse.getTotalScanCount()));
- if (queryCacheEnabled && !sqlResponse.getIsException() //
- && (sqlResponse.getDuration() > durationThreshold || sqlResponse.getTotalScanCount() > scancountThreshold)) {
+ if (queryCacheEnabled && //
+ !sqlResponse.getIsException() && //
+ (sqlResponse.getDuration() > durationThreshold || sqlResponse.getTotalScanCount() > scancountThreshold) && //
+ (sqlResponse.getResults().size() < kylinConfig.getLargeQueryThreshold())) { //don't cache too large response
cacheManager.getCache(SUCCESS_QUERY_CACHE).put(new Element(sqlRequest, sqlResponse));
}
} else {
http://git-wip-us.apache.org/repos/asf/kylin/blob/fa4a5ee2/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
----------------------------------------------------------------------
diff --git a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
index d99f80e..ebacb26 100644
--- a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
+++ b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/cube/v2/CubeHBaseEndpointRPC.java
@@ -40,12 +40,13 @@ import org.apache.kylin.common.util.CompressionUtils;
import org.apache.kylin.common.util.ImmutableBitSet;
import org.apache.kylin.common.util.LoggableCachedThreadPool;
import org.apache.kylin.common.util.Pair;
-import org.apache.kylin.metadata.model.ISegment;
import org.apache.kylin.cube.cuboid.Cuboid;
import org.apache.kylin.gridtable.GTInfo;
import org.apache.kylin.gridtable.GTScanRequest;
import org.apache.kylin.gridtable.GTScanSelfTerminatedException;
import org.apache.kylin.gridtable.IGTScanner;
+import org.apache.kylin.metadata.model.ISegment;
+import org.apache.kylin.storage.gtrecord.DummyPartitionStreamer;
import org.apache.kylin.storage.gtrecord.StorageResponseGTScatter;
import org.apache.kylin.storage.hbase.HBaseConnection;
import org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos;
@@ -127,14 +128,14 @@ public class CubeHBaseEndpointRPC extends CubeHBaseRPC {
//TODO: raw scan can be constructed at region side to reduce traffic
List<RawScan> rawScans = preparedHBaseScans(scanRequest.getGTScanRanges(), selectedColBlocks);
rawScanByteString = serializeRawScans(rawScans);
-
+
int coprocessorTimeout = getCoprocessorTimeoutMillis();
scanRequest.setTimeout(coprocessorTimeout);
scanRequest.clearScanRanges();//since raw scans are sent to coprocessor, we don't need to duplicate sending it
scanRequestByteString = serializeGTScanReq(scanRequest);
final ExpectedSizeIterator epResultItr = new ExpectedSizeIterator(shardNum, coprocessorTimeout);
-
+
logger.info("Serialized scanRequestBytes {} bytes, rawScanBytesString {} bytes", scanRequestByteString.size(), rawScanByteString.size());
logger.info("The scan {} for segment {} is as below with {} separate raw scans, shard part of start/end key is set to 0", Integer.toHexString(System.identityHashCode(scanRequest)), cubeSeg, rawScans.size());
@@ -230,7 +231,7 @@ public class CubeHBaseEndpointRPC extends CubeHBaseRPC {
});
}
- return new StorageResponseGTScatter(fullGTInfo, epResultItr, scanRequest.getColumns(), totalScannedCount.get(), scanRequest.getStoragePushDownLimit());
+ return new StorageResponseGTScatter(fullGTInfo, new DummyPartitionStreamer(epResultItr), scanRequest.getColumns(), totalScannedCount.get(), scanRequest.getStoragePushDownLimit());
}
private ByteString serializeGTScanReq(GTScanRequest scanRequest) {