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Posted to dev@hbase.apache.org by "punwinger (JIRA)" <ji...@apache.org> on 2015/04/09 08:54:12 UTC

[jira] [Created] (HBASE-13437) ThriftServer leaks ZooKeeper connections

punwinger created HBASE-13437:
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             Summary: ThriftServer leaks ZooKeeper connections
                 Key: HBASE-13437
                 URL: https://issues.apache.org/jira/browse/HBASE-13437
             Project: HBase
          Issue Type: Bug
          Components: Thrift
    Affects Versions: 0.98.8
            Reporter: punwinger


HBase ThriftServer will cache Zookeeper connection in memory using org.apache.hadoop.hbase.util.ConnectionCache. This class has a mechanism called chore to clean up connections idle for too long(default is 10 min). But method timedOut for testing whether idle exceed for maxIdleTime always return false which leads to never release the Zookeeper connection. If we send requestto ThriftServer every maxIdleTime then ThriftServer will keep thousands of Zookeeper Connection soon.



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