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HDFS-5994. Fix TestDataNodeRollingUpgrade. Contributed by Arpit Agarwal 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1570734 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2014-02-21 22:40:06 +00:00
parent 78325b08c5
commit 3f7852bd27
4 changed files with 12 additions and 6 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt
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@ -71,3 +71,5 @@ HDFS-5535 subtasks:
HDFS-5992. Fix NPE in MD5FileUtils and update editsStored for
TestOfflineEditsViewer. (szetszwo)
HDFS-5994. Fix TestDataNodeRollingUpgrade. (Arpit Agarwal via szetszwo)

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceStorage.java
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@ -392,11 +392,12 @@ private int restoreBlockFilesFromTrash(File trashRoot) throws IOException {
if (child.isDirectory()) {
// Recurse to process subdirectories.
filesRestored += restoreBlockFilesFromTrash(child);
continue;
}
if (restoreDirectory == null) {
restoreDirectory = new File(getRestoreDirectory(child));
if (!restoreDirectory.mkdirs()) {
if (!restoreDirectory.exists() && !restoreDirectory.mkdirs()) {
throw new IOException("Failed to create directory " + restoreDirectory);
}
}

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetAsyncDiskService.java
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@ -196,9 +196,8 @@ private boolean deleteFiles() {
}
private boolean moveFiles() {
File newBlockFile = new File(trashDirectory, blockFile.getName());
File newMetaFile = new File(trashDirectory, metaFile.getName());
if (!new File(trashDirectory).mkdirs()) {
File trashDirFile = new File(trashDirectory);
if (!trashDirFile.exists() && !trashDirFile.mkdirs()) {
LOG.error("Failed to create trash directory " + trashDirectory);
return false;
}
@ -207,6 +206,9 @@ private boolean moveFiles() {
LOG.debug("Moving files " + blockFile.getName() + " and " +
metaFile.getName() + " to trash.");
}
File newBlockFile = new File(trashDirectory, blockFile.getName());
File newMetaFile = new File(trashDirectory, metaFile.getName());
return (blockFile.renameTo(newBlockFile) &&
metaFile.renameTo(newMetaFile));
}

5
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
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@ -46,7 +46,8 @@ public class TestDataNodeRollingUpgrade {
private static final Log LOG = LogFactory.getLog(TestDataNodeRollingUpgrade.class);
private static final short REPL_FACTOR = 1;
private static final long FILE_SIZE = 1024L;
private static final int BLOCK_SIZE = 1024 * 1024;
private static final long FILE_SIZE = BLOCK_SIZE * 4;
private static final long SEED = 0x1BADF00DL;
Configuration conf;
@ -139,7 +140,7 @@ public void testDatanodeRollingUpgradeWithRollback() throws Exception {
Path testFile1 = new Path("/TestDataNodeRollingUpgrade1.dat");
// Create files in DFS.
DFSTestUtil.createFile(fs, testFile1, FILE_SIZE, REPL_FACTOR, SEED);
DFSTestUtil.createFile(fs, testFile1, BLOCK_SIZE, BLOCK_SIZE, FILE_SIZE, REPL_FACTOR, SEED);
String fileContents1 = DFSTestUtil.readFile(fs, testFile1);
startRollingUpgrade();