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HDFS-8305: HDFS INotify: the destination field of RenameOp should always end with the file name (cmccabe) 

(cherry picked from commit fcd4cb7516)
This commit is contained in:
Colin Patrick Mccabe 2015-05-05 10:50:09 -07:00
parent 51df9e8379
commit 1f01d8347a
4 changed files with 22 additions and 4 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -358,6 +358,9 @@ Release 2.7.1 - UNRELEASED
HDFS-8091: ACLStatus and XAttributes should be presented to
INodeAttributesProvider before returning to client (asuresh)
HDFS-8305: HDFS INotify: the destination field of RenameOp should always
end with the file name (cmccabe)
Release 2.7.0 - 2015-04-20
INCOMPATIBLE CHANGES

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirRenameOp.java
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@ -476,7 +476,7 @@ class FSDirRenameOp {
fsd.writeUnlock();
}
if (stat) {
fsd.getEditLog().logRename(src, dst, mtime, logRetryCache);
fsd.getEditLog().logRename(src, actualDst, mtime, logRetryCache);
return true;
}
return false;

10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
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@ -816,7 +816,9 @@ public class FSEditLog implements LogsPurgeable {
}
/**
* Add rename record to edit log
* Add rename record to edit log.
*
* The destination should be the file name, not the destination directory.
* TODO: use String parameters until just before writing to disk
*/
void logRename(String src, String dst, long timestamp, boolean toLogRpcIds) {
@ -827,9 +829,11 @@ public class FSEditLog implements LogsPurgeable {
logRpcIds(op, toLogRpcIds);
logEdit(op);
}
/**
* Add rename record to edit log
* Add rename record to edit log.
*
* The destination should be the file name, not the destination directory.
*/
void logRename(String src, String dst, long timestamp, boolean toLogRpcIds,
Options.Rename... options) {

11
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSInotifyEventInputStream.java
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@ -135,6 +135,7 @@ public class TestDFSInotifyEventInputStream {
client.setAcl("/file5", AclEntry.parseAclSpec(
"user::rwx,user:foo:rw-,group::r--,other::---", true));
client.removeAcl("/file5"); // SetAclOp -> MetadataUpdateEvent
client.rename("/file5", "/dir"); // RenameOldOp -> RenameEvent
EventBatch batch = null;
@ -343,6 +344,16 @@ public class TestDFSInotifyEventInputStream {
Event.MetadataUpdateEvent.MetadataType.ACLS);
Assert.assertTrue(mue8.getAcls() == null);
// RenameOp (2)
batch = waitForNextEvents(eis);
Assert.assertEquals(1, batch.getEvents().length);
txid = checkTxid(batch, txid);
Assert.assertTrue(batch.getEvents()[0].getEventType() == Event.EventType.RENAME);
Event.RenameEvent re3 = (Event.RenameEvent) batch.getEvents()[0];
Assert.assertTrue(re3.getDstPath().equals("/dir/file5"));
Assert.assertTrue(re3.getSrcPath().equals("/file5"));
Assert.assertTrue(re.getTimestamp() > 0);
// Returns null when there are no further events
Assert.assertTrue(eis.poll() == null);