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From "Juan Yu (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-7570) DataXceiver could leak FileDescriptor
Date Thu, 01 Jan 2015 01:39:14 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Juan Yu resolved HDFS-7570.
---------------------------
    Resolution: Not a Problem

> DataXceiver could leak FileDescriptor
> -------------------------------------
>
>                 Key: HDFS-7570
>                 URL: https://issues.apache.org/jira/browse/HDFS-7570
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Juan Yu
>
> DataXceiver doesn't close inputstream all the time, There could be FD leakage and overtime
cause FDs exceed limit.
> {code}
> finally {
>       if (LOG.isDebugEnabled()) {
>         LOG.debug(datanode.getDisplayName() + ":Number of active connections is: "
>             + datanode.getXceiverCount());
>       }
>       updateCurrentThreadName("Cleaning up");
>       if (peer != null) {
>         dataXceiverServer.closePeer(peer);
>         IOUtils.closeStream(in);
>       }
>     }
> {code}



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