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https://issues.apache.org/jira/browse/HADOOP-14688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HADOOP-14688:
-------------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed the patch to branch-2, branch-3.0 and trunk. Thanks [~xiaochen] for
the patch, and [~daryn] [~mi...@cloudera.com] for review and thoughts!
> Intern strings in KeyVersion and EncryptedKeyVersion
> ----------------------------------------------------
>
> Key: HADOOP-14688
> URL: https://issues.apache.org/jira/browse/HADOOP-14688
> Project: Hadoop Common
> Issue Type: Improvement
> Components: kms
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Fix For: 2.9.0, 3.0.0-beta1
>
> Attachments: GC root of the String.png, HADOOP-14688.01.patch,
> heapdump analysis.png, jxray.report
>
>
> This is inspired by [~mi...@cloudera.com]'s work on HDFS-11383.
> The key names and key version names are usually the same for a bunch of
> {{KeyVersion}} and {{EncryptedKeyVersion}}. We should not create duplicate
> objects for them.
> This is more important to HDFS-10899, where we try to re-encrypt all files'
> EDEKs in a given EZ. Those EDEKs all has the same key name, and mostly using
> no more than a couple of key version names.
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