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Posted to issues@flink.apache.org by "Ufuk Celebi (JIRA)" <ji...@apache.org> on 2014/06/25 13:56:24 UTC

[jira] [Resolved] (FLINK-971) Configure Netty ByteBufAllocator instead of using the default configuration

     [ https://issues.apache.org/jira/browse/FLINK-971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ufuk Celebi resolved FLINK-971.
-------------------------------

    Resolution: Fixed

Merged in 6c827fb932efff77c8abcdbb407385898f9d8d40.

> Configure Netty ByteBufAllocator instead of using the default configuration
> ---------------------------------------------------------------------------
>
>                 Key: FLINK-971
>                 URL: https://issues.apache.org/jira/browse/FLINK-971
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Runtime
>    Affects Versions: pre-apache-0.5.1
>            Reporter: Ufuk Celebi
>            Priority: Minor
>
> {{NettyConnectionManager}} uses the {{PooledByteBufAllocator.DEFAULT}} allocator, which allocates unnecessary heap arenas, which are never used. Also, the page size is smaller than our buffer size (+ headers etc.), which results in page-boundery crossing allocations.



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