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HDFS-5474. Merge change r1541685 from trunk. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1541709 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2013-11-13 21:00:52 +00:00
parent bdab9d5cfd
commit 8d673df9cb
2 changed files with 8 additions and 4 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -166,6 +166,9 @@ Release 2.3.0 - UNRELEASED
HDFS-5425. Renaming underconstruction file with snapshots can make NN failure on
restart. (jing9 and Vinay)
HDFS-5474. Deletesnapshot can make Namenode in safemode on NN restarts.
(Sathish via jing9)
HDFS-5075. httpfs-config.sh calls out incorrect env script name
(Timothy St. Clair via stevel)

9
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -6919,6 +6919,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
return; // Return previous response
}
boolean success = false;
BlocksMapUpdateInfo collectedBlocks = new BlocksMapUpdateInfo();
writeLock();
try {
checkOperation(OperationCategory.WRITE);
@ -6927,7 +6928,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
checkOwner(pc, snapshotRoot);
}
BlocksMapUpdateInfo collectedBlocks = new BlocksMapUpdateInfo();
List<INode> removedINodes = new ChunkedArrayList<INode>();
dir.writeLock();
try {
@ -6938,8 +6938,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
dir.writeUnlock();
}
removedINodes.clear();
this.removeBlocks(collectedBlocks);
collectedBlocks.clear();
getEditLog().logDeleteSnapshot(snapshotRoot, snapshotName,
cacheEntry != null);
success = true;
@ -6948,7 +6946,10 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
RetryCache.setState(cacheEntry, success);
}
getEditLog().logSync();
removeBlocks(collectedBlocks);
collectedBlocks.clear();
if (auditLog.isInfoEnabled() && isExternalInvocation()) {
String rootPath = Snapshot.getSnapshotPath(snapshotRoot, snapshotName);
logAuditEvent(true, "deleteSnapshot", rootPath, null, null);