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https://issues.apache.org/jira/browse/HDFS-16535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang resolved HDFS-16535.
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Fix Version/s: 3.3.3
3.4.0
Resolution: Fixed
Merged. Thanks [~stigahuang] and [~leosun08]!
> SlotReleaser should reuse the domain socket based on socket paths
> -----------------------------------------------------------------
>
> Key: HDFS-16535
> URL: https://issues.apache.org/jira/browse/HDFS-16535
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 3.3.1, 3.4.0
> Reporter: Quanlong Huang
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.3
>
> Time Spent: 2h
> Remaining Estimate: 0h
>
> HDFS-13639 improves the performance of short-circuit shm slot releasing by
> reusing the domain socket that the client previously used to send release
> request to the DataNode.
> This is good when there are only one DataNode locates with the client (truth
> in most of the production environment). However, if we launch multiple
> DataNodes on a machine (usually for testing, e.g. Impala's end-to-end tests),
> the request could be sent to the wrong DataNode. See an example in
> IMPALA-11234.
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