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Posted to hdfs-commits@hadoop.apache.org by sz...@apache.org on 2013/10/16 20:44:21 UTC
svn commit: r1532860 -
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestOpenFilesWithSnapshot.java
Author: szetszwo
Date: Wed Oct 16 18:44:21 2013
New Revision: 1532860
URL: http://svn.apache.org/r1532860
Log:
Add TestOpenFilesWithSnapshot.java for HDFS-5283.
Added:
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestOpenFilesWithSnapshot.java
Added: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestOpenFilesWithSnapshot.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestOpenFilesWithSnapshot.java?rev=1532860&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestOpenFilesWithSnapshot.java (added)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestOpenFilesWithSnapshot.java Wed Oct 16 18:44:21 2013
@@ -0,0 +1,113 @@
+/**
+ * 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.hdfs.server.namenode.snapshot;
+
+import java.io.IOException;
+import java.util.EnumSet;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hdfs.DFSOutputStream;
+import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.client.HdfsDataOutputStream.SyncFlag;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestOpenFilesWithSnapshot {
+ private Configuration conf = new Configuration();
+ MiniDFSCluster cluster = null;
+ DistributedFileSystem fs = null;
+
+ @Before
+ public void setup() throws IOException {
+ cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
+ conf.set("dfs.blocksize", "1048576");
+ fs = cluster.getFileSystem();
+ }
+
+ @After
+ public void teardown() throws IOException {
+ if (fs != null) {
+ fs.close();
+ }
+ if (cluster != null) {
+ cluster.shutdown();
+ }
+
+ }
+
+ @Test
+ public void testUCFileDeleteWithSnapShot() throws Exception {
+ Path path = new Path("/test");
+ doWriteAndAbort(fs, path);
+
+ // delete files separately
+ fs.delete(new Path("/test/test/test2"), true);
+ fs.delete(new Path("/test/test/test3"), true);
+ cluster.restartNameNode();
+ }
+
+ @Test
+ public void testParentDirWithUCFileDeleteWithSnapShot() throws Exception {
+ Path path = new Path("/test");
+ doWriteAndAbort(fs, path);
+
+ // delete parent directory
+ fs.delete(new Path("/test/test"), true);
+ cluster.restartNameNode();
+ }
+
+ private void doWriteAndAbort(DistributedFileSystem fs, Path path)
+ throws IOException {
+ fs.mkdirs(path);
+ fs.allowSnapshot(path);
+ DFSTestUtil
+ .createFile(fs, new Path("/test/test1"), 100, (short) 2, 100024L);
+ DFSTestUtil
+ .createFile(fs, new Path("/test/test2"), 100, (short) 2, 100024L);
+ Path file = new Path("/test/test/test2");
+ FSDataOutputStream out = fs.create(file);
+ for (int i = 0; i < 2; i++) {
+ long count = 0;
+ while (count < 1048576) {
+ out.writeBytes("hell");
+ count += 4;
+ }
+ }
+ ((DFSOutputStream) out.getWrappedStream()).hsync(EnumSet
+ .of(SyncFlag.UPDATE_LENGTH));
+ DFSTestUtil.abortStream((DFSOutputStream) out.getWrappedStream());
+ Path file2 = new Path("/test/test/test3");
+ FSDataOutputStream out2 = fs.create(file2);
+ for (int i = 0; i < 2; i++) {
+ long count = 0;
+ while (count < 1048576) {
+ out2.writeBytes("hell");
+ count += 4;
+ }
+ }
+ ((DFSOutputStream) out2.getWrappedStream()).hsync(EnumSet
+ .of(SyncFlag.UPDATE_LENGTH));
+ DFSTestUtil.abortStream((DFSOutputStream) out2.getWrappedStream());
+ fs.createSnapshot(path, "s1");
+ }
+}
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