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HDFS-5474. Deletesnapshot can make Namenode in safemode on NN restarts. Contributed by Sathish. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1541685 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2013-11-13 19:59:55 +00:00
parent 4a0f804d5e
commit ced740e580
2 changed files with 8 additions and 4 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -541,6 +541,9 @@ 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)
Release 2.2.1 - UNRELEASED
INCOMPATIBLE CHANGES

7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -6961,6 +6961,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
return; // Return previous response
}
boolean success = false;
BlocksMapUpdateInfo collectedBlocks = new BlocksMapUpdateInfo();
writeLock();
try {
checkOperation(OperationCategory.WRITE);
@ -6969,7 +6970,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
checkOwner(pc, snapshotRoot);
}
BlocksMapUpdateInfo collectedBlocks = new BlocksMapUpdateInfo();
List<INode> removedINodes = new ChunkedArrayList<INode>();
dir.writeLock();
try {
@ -6980,8 +6980,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
dir.writeUnlock();
}
removedINodes.clear();
this.removeBlocks(collectedBlocks);
collectedBlocks.clear();
getEditLog().logDeleteSnapshot(snapshotRoot, snapshotName,
cacheEntry != null);
success = true;
@ -6991,6 +6989,9 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
}
getEditLog().logSync();
removeBlocks(collectedBlocks);
collectedBlocks.clear();
if (auditLog.isInfoEnabled() && isExternalInvocation()) {
String rootPath = Snapshot.getSnapshotPath(snapshotRoot, snapshotName);
logAuditEvent(true, "deleteSnapshot", rootPath, null, null);