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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15080) Remove synchronized block from MasterServiceStubMaker#releaseZooKeeperWatcher()
Date Fri, 08 Jan 2016 00:33:39 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-15080:
---------------------------
    Summary: Remove synchronized block from MasterServiceStubMaker#releaseZooKeeperWatcher()
 (was: Remove synchronized keyword from MasterServiceStubMaker#releaseZooKeeperWatcher())

> Remove synchronized block from MasterServiceStubMaker#releaseZooKeeperWatcher()
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-15080
>                 URL: https://issues.apache.org/jira/browse/HBASE-15080
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 0.98.17
>
>         Attachments: 15080-0.98.txt
>
>
> This is a follow up to HBASE-11460
> [~elserj] found that in 0.98, the synchronized block below should have been taken out
(as was done for branch-1 +):
> {code}
>       synchronized (masterAndZKLock) {
>         if (keepAliveZookeeperUserCount.decrementAndGet() <= 0 ){
> {code}
> keepAliveZookeeperUserCount is an AtomicInteger. There is no need for the synchronized
block.
> This issue is to remove the synchronized block.



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