Author: cutting
Date: Wed Jan 3 10:47:48 2007
New Revision: 492248
URL: http://svn.apache.org/viewvc?view=rev&rev=492248
Log:
HADOOP-745. Fix a synchronization bug in the HDFS namenode. Contributed by
Dhruba.
Modified:
lucene/hadoop/trunk/CHANGES.txt
lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java
Modified: lucene/hadoop/trunk/CHANGES.txt
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?view=diff&rev=492248&r1=492247&r2=492248
==============================================================================
--- lucene/hadoop/trunk/CHANGES.txt (original)
+++ lucene/hadoop/trunk/CHANGES.txt Wed Jan 3 10:47:48 2007
@@ -159,6 +159,9 @@
44. HADOOP-849. Fix OutOfMemory exceptions in TaskTracker due to a
file handle leak in SequenceFile. (Devaraj Das via cutting)
+45. HADOOP-745. Fix a synchronization bug in the HDFS namenode.
+ (Dhruba Borthakur via cutting)
+
Release 0.9.2 - 2006-12-15
Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java?view=diff&rev=492248&r1=492247&r2=492248
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java
(original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java Wed
Jan 3 10:47:48 2007
@@ -780,7 +780,7 @@
/**
* Change the indicated filename.
*/
- public boolean renameTo(UTF8 src, UTF8 dst) throws IOException {
+ public synchronized boolean renameTo(UTF8 src, UTF8 dst) throws
IOException {
NameNode.stateChangeLog.debug("DIR* NameSystem.renameTo: " + src + "
to " + dst );
if( isInSafeMode() )
throw new SafeModeException( "Cannot rename " + src, safeMode );
@@ -869,7 +869,7 @@
/**
* Create all the necessary directories
*/
- public boolean mkdirs( String src ) throws IOException {
+ public synchronized boolean mkdirs( String src ) throws IOException {
boolean success;
NameNode.stateChangeLog.debug("DIR* NameSystem.mkdirs: " + src );
if( isInSafeMode() )
