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https://issues.apache.org/jira/browse/HADOOP-14524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HADOOP-14524:
--------------------------------
    Fix Version/s: 2.8.6

> Make CryptoCodec Closeable so it can be cleaned up proactively
> --------------------------------------------------------------
>
>                 Key: HADOOP-14524
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14524
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>            Priority: Major
>             Fix For: 2.9.0, 3.0.0-alpha4, 2.8.6
>
>         Attachments: HADOOP-14524.01.patch, HADOOP-14524.branch-2.01.patch
>
>
> See HADOOP-14523 for motivation. Credit to [~mi...@cloudera.com] for 
> reporting initially there.
> Basically, the {{CryptoCodec}} class is not a closeable, but the 
> {{OpensslAesCtrCryptoCodec}} implementation of it contains a closeable member 
> (the Random object). Currently it is left for {{finalize()}} to clean up, 
> this depends on when a FGC is run, and would create problems if 
> {{OpensslAesCtrCryptoCodec}} is used with {{OsSecureRandom}}, which could let 
> OS run out of FDs on {{/dev/urandom}} if too many codecs created.



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