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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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Xiao Chen updated HADOOP-14524:
-------------------------------
Description:
See HADOOP-14523 for motivation. Credit to [[email protected]] 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.
was:
See HADOOP-14523 for motivation. Credit to [[email protected]] 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.
> 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 [[email protected]] 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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