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Posted to issues@spark.apache.org by "Marcelo Vanzin (JIRA)" <ji...@apache.org> on 2019/02/26 00:42:00 UTC
[jira] [Assigned] (SPARK-26674) Consolidate CompositeByteBuf when
reading large frame
[ https://issues.apache.org/jira/browse/SPARK-26674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcelo Vanzin reassigned SPARK-26674:
--------------------------------------
Assignee: liupengcheng
> Consolidate CompositeByteBuf when reading large frame
> -----------------------------------------------------
>
> Key: SPARK-26674
> URL: https://issues.apache.org/jira/browse/SPARK-26674
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.4.0
> Reporter: liupengcheng
> Assignee: liupengcheng
> Priority: Major
>
> Currently, TransportFrameDecoder will not consolidate the buffers read from network which may cause memory waste. Actually, bytebuf's writtenIndex is far less than it's capacity in most cases, so we can optimize it by doing consolidation.
>
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