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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/01/21 11:40:00 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 ]
Apache Spark reassigned SPARK-26674:
------------------------------------
Assignee: Apache Spark
> 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: Apache Spark
> 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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