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https://issues.apache.org/jira/browse/HDFS-12422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16399703#comment-16399703
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Íñigo Goiri commented on HDFS-12422:
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Another piece of code that comes from a long time ago.
[~chris.douglas], do you know anybody fit for reviewing this?
We had this issue a while back from customers not closing their streams.
> Replace DataNode in Pipeline when waiting for Last Packet fails
> ---------------------------------------------------------------
>
> Key: HDFS-12422
> URL: https://issues.apache.org/jira/browse/HDFS-12422
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs, hdfs-client
> Reporter: Lukas Majercak
> Assignee: Lukas Majercak
> Priority: Major
> Labels: hdfs
> Attachments: HDFS-12422.001.patch, HDFS-12422.002.patch
>
>
> # Create a file with replicationFactor = 4, minReplicas = 2
> # Fail waiting for the last packet, followed by 2 exceptions when recovering
> the leftover pipeline
> # The leftover pipeline will only have one DN and NN will never close such
> block, resulting in failure to write
> The block will stay there forever, unable to be replicated, ultimately going
> missing.
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