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https://issues.apache.org/jira/browse/SPARK-26674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-26674:
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Assignee: (was: 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
> 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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