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HBASE-8396 balancerSwitch making two zookeeper calls everytime(Rajeshbabu) 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1471460 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
anoopsamjohn 2013-04-24 15:08:56 +00:00
parent 846acf6258
commit 100cf35f5d
1 changed files with 2 additions and 2 deletions
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4
hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/LoadBalancerTracker.java
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@ -64,9 +64,9 @@ public class LoadBalancerTracker extends ZooKeeperNodeTracker {
public void setBalancerOn(boolean balancerOn) throws KeeperException { public void setBalancerOn(boolean balancerOn) throws KeeperException {
byte [] upData = toByteArray(balancerOn); byte [] upData = toByteArray(balancerOn);
try { try {
ZKUtil.createAndWatch(watcher, watcher.balancerZNode, upData);
} catch(KeeperException.NodeExistsException nee) {
ZKUtil.setData(watcher, watcher.balancerZNode, upData); ZKUtil.setData(watcher, watcher.balancerZNode, upData);
} catch(KeeperException.NoNodeException nne) {
ZKUtil.createAndWatch(watcher, watcher.balancerZNode, upData);
} }
super.nodeDataChanged(watcher.balancerZNode); super.nodeDataChanged(watcher.balancerZNode);
} }