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From s..@apache.org
Subject [46/50] [abbrv] hadoop git commit: HDFS-13509. Bug fix for breakHardlinks() of ReplicaInfo/LocalReplica, and fix TestFileAppend failures on Windows. Contributed by Xiao Liang.
Date Wed, 02 May 2018 19:22:21 GMT
HDFS-13509. Bug fix for breakHardlinks() of ReplicaInfo/LocalReplica, and fix TestFileAppend
failures on Windows. Contributed by Xiao Liang.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/c0c788aa
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/c0c788aa
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/c0c788aa

Branch: refs/heads/YARN-8200
Commit: c0c788aafc892373b23ae0c7905d913fd788c3a6
Parents: c844181
Author: Inigo Goiri <inigoiri@apache.org>
Authored: Sat Apr 28 09:07:56 2018 -0700
Committer: Inigo Goiri <inigoiri@apache.org>
Committed: Sat Apr 28 09:07:56 2018 -0700

----------------------------------------------------------------------
 .../hdfs/server/datanode/ReplicaInfo.java       | 21 ++++---
 .../org/apache/hadoop/hdfs/TestFileAppend.java  | 61 +++++++++++++-------
 2 files changed, 53 insertions(+), 29 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/c0c788aa/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaInfo.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaInfo.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaInfo.java
index 9817f97..f3f6db1 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaInfo.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaInfo.java
@@ -240,19 +240,22 @@ abstract public class ReplicaInfo extends Block
     final FileIoProvider fileIoProvider = getFileIoProvider();
     final File tmpFile = DatanodeUtil.createFileWithExistsCheck(
         getVolume(), b, DatanodeUtil.getUnlinkTmpFile(file), fileIoProvider);
-    try (FileInputStream in = fileIoProvider.getFileInputStream(
+    try {
+      try (FileInputStream in = fileIoProvider.getFileInputStream(
         getVolume(), file)) {
-      try (FileOutputStream out = fileIoProvider.getFileOutputStream(
-          getVolume(), tmpFile)) {
-        IOUtils.copyBytes(in, out, 16 * 1024);
-      }
-      if (file.length() != tmpFile.length()) {
-        throw new IOException("Copy of file " + file + " size " + file.length()+
-            " into file " + tmpFile +
-            " resulted in a size of " + tmpFile.length());
+        try (FileOutputStream out = fileIoProvider.getFileOutputStream(
+            getVolume(), tmpFile)) {
+          IOUtils.copyBytes(in, out, 16 * 1024);
+        }
+        if (file.length() != tmpFile.length()) {
+          throw new IOException("Copy of file " + file + " size "
+              + file.length() + " into file " + tmpFile
+              + " resulted in a size of " + tmpFile.length());
+        }
       }
       fileIoProvider.replaceFile(getVolume(), tmpFile, file);
     } catch (IOException e) {
+      DataNode.LOG.error("Cannot breakHardlinks for file " + file, e);
       if (!fileIoProvider.delete(getVolume(), tmpFile)) {
         DataNode.LOG.info("detachFile failed to delete temporary file " +
             tmpFile);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c0c788aa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend.java
index fbf09fb..59cc31a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend.java
@@ -55,6 +55,7 @@ import org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetTestUtil;
 import org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetUtil;
 import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.ipc.RemoteException;
+import org.apache.hadoop.test.GenericTestUtils;
 import org.apache.hadoop.util.DataChecksum;
 import org.apache.hadoop.util.Time;
 import org.junit.Assert;
@@ -120,7 +121,9 @@ public class TestFileAppend{
   @Test
   public void testBreakHardlinksIfNeeded() throws IOException {
     Configuration conf = new HdfsConfiguration();
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .build();
     FileSystem fs = cluster.getFileSystem();
     InetSocketAddress addr = new InetSocketAddress("localhost",
                                                    cluster.getNameNodePort());
@@ -186,7 +189,9 @@ public class TestFileAppend{
   public void testSimpleFlush() throws IOException {
     Configuration conf = new HdfsConfiguration();
     fileContents = AppendTestUtil.initBuffer(AppendTestUtil.FILE_SIZE);
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .build();
     DistributedFileSystem fs = cluster.getFileSystem();
     try {
 
@@ -239,7 +244,9 @@ public class TestFileAppend{
   public void testComplexFlush() throws IOException {
     Configuration conf = new HdfsConfiguration();
     fileContents = AppendTestUtil.initBuffer(AppendTestUtil.FILE_SIZE);
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .build();
     DistributedFileSystem fs = cluster.getFileSystem();
     try {
 
@@ -286,7 +293,9 @@ public class TestFileAppend{
   @Test(expected = FileNotFoundException.class)
   public void testFileNotFound() throws IOException {
     Configuration conf = new HdfsConfiguration();
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .build();
     FileSystem fs = cluster.getFileSystem();
     try {
       Path file1 = new Path("/nonexistingfile.dat");
@@ -301,7 +310,9 @@ public class TestFileAppend{
   @Test
   public void testAppendTwice() throws Exception {
     Configuration conf = new HdfsConfiguration();
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .build();
     final FileSystem fs1 = cluster.getFileSystem();
     final FileSystem fs2 = AppendTestUtil.createHdfsWithDifferentUsername(conf);
     try {
@@ -340,7 +351,9 @@ public class TestFileAppend{
   @Test
   public void testAppend2Twice() throws Exception {
     Configuration conf = new HdfsConfiguration();
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .build();
     final DistributedFileSystem fs1 = cluster.getFileSystem();
     final FileSystem fs2 = AppendTestUtil.createHdfsWithDifferentUsername(conf);
     try {
@@ -386,8 +399,9 @@ public class TestFileAppend{
         HdfsClientConfigKeys.BlockWrite.ReplaceDatanodeOnFailure.ENABLE_KEY,
         false);
 
-    final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
-        .numDataNodes(4).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf,
+        builderBaseDir).numDataNodes(4).build();
     final DistributedFileSystem fs = cluster.getFileSystem();
     try {
       final Path p = new Path("/testMultipleAppend/foo");
@@ -439,8 +453,9 @@ public class TestFileAppend{
     final long softLimit = 1L;
     final long hardLimit = 9999999L;
 
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1)
-        .build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .numDataNodes(1).build();
     cluster.setLeasePeriod(softLimit, hardLimit);
     cluster.waitActive();
 
@@ -479,8 +494,9 @@ public class TestFileAppend{
     final long softLimit = 1L;
     final long hardLimit = 9999999L;
 
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1)
-        .build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .numDataNodes(1).build();
     cluster.setLeasePeriod(softLimit, hardLimit);
     cluster.waitActive();
 
@@ -526,8 +542,9 @@ public class TestFileAppend{
     Configuration conf = new HdfsConfiguration();
     conf.set("dfs.client.block.write.replace-datanode-on-failure.enable",
         "false");
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3)
-        .build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .numDataNodes(3).build();
     DistributedFileSystem fs = null;
     try {
       fs = cluster.getFileSystem();
@@ -541,7 +558,7 @@ public class TestFileAppend{
       String dnAddress = dnProp.datanode.getXferAddress().toString();
       if (dnAddress.startsWith("/")) {
         dnAddress = dnAddress.substring(1);
-}
+      }
 
       // append again to bump genstamps
       for (int i = 0; i < 2; i++) {
@@ -579,8 +596,9 @@ public class TestFileAppend{
     Configuration conf = new HdfsConfiguration();
     conf.set("dfs.client.block.write.replace-datanode-on-failure.enable",
         "false");
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3)
-        .build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .numDataNodes(3).build();
     DistributedFileSystem fs = null;
     final String hello = "hello\n";
     try {
@@ -651,8 +669,9 @@ public class TestFileAppend{
     conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 1024);
     conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1);
     conf.setInt("dfs.min.replication", 1);
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1)
-        .build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .numDataNodes(1).build();
     try {
       DistributedFileSystem fs = cluster.getFileSystem();
       Path fileName = new Path("/appendCorruptBlock");
@@ -677,7 +696,9 @@ public class TestFileAppend{
     conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1);
     conf.setInt("dfs.min.replication", 1);
 
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    File builderBaseDir = new File(GenericTestUtils.getRandomizedTempPath());
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf, builderBaseDir)
+        .build();
     try {
       cluster.waitActive();
       DataNode dn = cluster.getDataNodes().get(0);


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