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HDFS-4785. Concat operation does not remove concatenated files from InodeMap. Contributed by Suresh Srinivas. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1478267 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Suresh Srinivas 2013-05-02 04:51:21 +00:00
parent ca2c38fba1
commit 03ba436d42
3 changed files with 24 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -270,6 +270,9 @@ Trunk (Unreleased)
HDFS-4687. TestDelegationTokenForProxyUser#testWebHdfsDoAs is flaky with
JDK7. (Andrew Wang via atm)
HDFS-4785. Concat operation does not remove concatenated files from
InodeMap. (suresh)
BREAKDOWN OF HADOOP-8562 and HDFS-3602 SUBTASKS AND RELATED JIRAS
HDFS-4145. Merge hdfs cmd line scripts from branch-1-win. (David Lao,

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
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@ -971,6 +971,7 @@ public void unprotectedConcat(String target, String [] srcs, long timestamp)
nodeToRemove.setBlocks(null);
trgParent.removeChild(nodeToRemove);
inodeMap.remove(nodeToRemove);
count++;
}

21
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestINodeFile.java
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@ -451,8 +451,27 @@ public void testInodeId() throws IOException {
assertTrue(fs.delete(renamedPath, true));
inodeCount -= 2;
assertEquals(inodeCount, fsn.dir.getInodeMapSize());
// Create and concat /test/file1 /test/file2
// Create /test1/file1 and /test1/file2
String file1 = "/test1/file1";
String file2 = "/test1/file2";
DFSTestUtil.createFile(fs, new Path(file1), 512, (short) 1, 0);
DFSTestUtil.createFile(fs, new Path(file2), 512, (short) 1, 0);
inodeCount += 3; // test1, file1 and file2 are created
expectedLastInodeId += 3;
assertEquals(inodeCount, fsn.dir.getInodeMapSize());
assertEquals(expectedLastInodeId, fsn.getLastInodeId());
// Concat the /test1/file1 /test1/file2 into /test1/file2
nnrpc.concat(file2, new String[] {file1});
inodeCount--; // file1 and file2 are concatenated to file2
assertEquals(inodeCount, fsn.dir.getInodeMapSize());
assertEquals(expectedLastInodeId, fsn.getLastInodeId());
assertTrue(fs.delete(new Path("/test1"), true));
inodeCount -= 2; // test1 and file2 is deleted
assertEquals(inodeCount, fsn.dir.getInodeMapSize());
// Make sure empty editlog can be handled
// Make sure editlog is loaded correctly
cluster.restartNameNode();
cluster.waitActive();
fsn = cluster.getNamesystem();