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https://issues.apache.org/jira/browse/HDFS-9452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15024662#comment-15024662
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James Clampffer commented on HDFS-9452:
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Good point Bob, I'll get another patch up soon that does this.
> libhdfs++ Fix memory stomp in OpenFileForRead.
> ----------------------------------------------
>
> Key: HDFS-9452
> URL: https://issues.apache.org/jira/browse/HDFS-9452
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: James Clampffer
> Assignee: James Clampffer
> Attachments: HDFS-9452.HDFS-8707.000.patch
>
>
> Running a simple test that opens and closes a file in many threads will fail
> under valgrind with an invalid write of size 8.
> It looks like the stack is unwinding in the calling thread before the
> callback invoked by asio in OpenFileForRead can set the input_stream pointer.
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