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https://issues.apache.org/jira/browse/HADOOP-13264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15331932#comment-15331932
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Kihwal Lee commented on HADOOP-13264:
-------------------------------------
Since it is closely related to HDFS-9812, [~linyiqun], can you take a look at
this?
> 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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