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Posted to common-issues@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2017/06/13 00:27:00 UTC

[jira] [Updated] (HADOOP-14524) Make CryptoCodec Closeable so it can be cleaned up proactively

     [ https://issues.apache.org/jira/browse/HADOOP-14524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Chen updated HADOOP-14524:
-------------------------------
    Description: 
See HADOOP-14523 for motivation. Credit to [~misha@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 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.

  was:
See HADOOP-14523 for motivation. Credit to [~misha@cloudera.com] for reporting initially on HADOOP-14523.

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 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.


> 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
>
> See HADOOP-14523 for motivation. Credit to [~misha@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 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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