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HBASE-2874 Unnecessary double-synchronization in ZooKeeperWrapper 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@978801 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2010-07-24 05:08:21 +00:00
parent b64c40daff
commit 01a251b50a
2 changed files with 49 additions and 47 deletions
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2
CHANGES.txt
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@ -799,6 +799,8 @@ Release 0.21.0 - Unreleased
HBASE-2873 Minor clean up in basescanner; fix a log and make deletes of HBASE-2873 Minor clean up in basescanner; fix a log and make deletes of
region processing run in order region processing run in order
HBASE-2830 NotServingRegionException shouldn't log a stack trace HBASE-2830 NotServingRegionException shouldn't log a stack trace
HBASE-2874 Unnecessary double-synchronization in ZooKeeperWrapper
(Benoît Sigoure via Stack)
NEW FEATURES NEW FEATURES
HBASE-1961 HBase EC2 scripts HBASE-1961 HBase EC2 scripts

2
src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWrapper.java
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@ -134,7 +134,7 @@ public class ZooKeeperWrapper implements Watcher {
*/ */
private Set<String> unassignedZNodesWatched = new HashSet<String>(); private Set<String> unassignedZNodesWatched = new HashSet<String>();
private List<Watcher> listeners = Collections.synchronizedList(new ArrayList<Watcher>()); private List<Watcher> listeners = new ArrayList<Watcher>();
// return the singleton given the name of the instance // return the singleton given the name of the instance
public static ZooKeeperWrapper getInstance(Configuration conf, String name) { public static ZooKeeperWrapper getInstance(Configuration conf, String name) {