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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-13264) Hadoop HDFS - DFSOutputStream close method fails to clean up resources in case no hdfs datanodes are accessible
Date Thu, 11 Aug 2016 16:42:20 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiao Chen resolved HADOOP-13264.
--------------------------------
    Resolution: Duplicate

I'm closing this as a dup of HDFS-10549, since [~linyiqun] is working on there and the change
is in HDFS.

Thanks [~sebyonthenet] and all for the work here, let's follow up on HDFS-10549.

> Hadoop HDFS - DFSOutputStream close method fails to clean up resources in case no hdfs
datanodes are accessible 
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-13264
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13264
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.7.2
>            Reporter: Seb Mo
>
> Using:
> hadoop-hdfs\2.7.2\hadoop-hdfs-2.7.2-sources.jar!\org\apache\hadoop\hdfs\DFSOutputStream.java
> Close method fails when the client can't connect to any data nodes. When re-using the
same DistributedFileSystem in the same JVM, if all the datanodes can't be accessed, then this
causes a memory leak as the DFSClient#filesBeingWritten map is never cleared after that.
> See test program provided by [~sebyonthenet] in comments below.



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