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https://issues.apache.org/jira/browse/HDFS-9557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated HDFS-9557:
--------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.0
Status: Resolved (was: Patch Available)
I took a closer look, and those tests are very unpredictable, with or without
this patch. sigh
+1, and committed to trunk, branch-2 and branch-2.8. Thank you, Daryn.
> Reduce object allocation in PB conversion
> -----------------------------------------
>
> Key: HDFS-9557
> URL: https://issues.apache.org/jira/browse/HDFS-9557
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client
> Affects Versions: 2.8.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 2.8.0
>
> Attachments: HDFS-9557.patch, HDFS-9557.patch
>
>
> PB conversions use {{ByteString.copyFrom}} to populate the builder.
> Unfortunately this creates unique instances for empty arrays instead of
> returning the singleton {{ByteString.EMPTY}}.
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