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https://issues.apache.org/jira/browse/FLINK-7512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16143520#comment-16143520
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Nico Kruber commented on FLINK-7512:
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Hi [~phoenixjiangnan],
no, the error you are seeing is not related to the network code but rather to
timers and state.
> avoid unnecessary buffer copies during network serialization
> ------------------------------------------------------------
>
> Key: FLINK-7512
> URL: https://issues.apache.org/jira/browse/FLINK-7512
> Project: Flink
> Issue Type: Improvement
> Components: Network
> Affects Versions: 1.4.0
> Reporter: Nico Kruber
> Assignee: Nico Kruber
>
> Currently, we have our own {{Buffer}} class backed by a {{MemorySegment}} and
> whenever we try to write to or read from Netty, we need to copy to / from
> Netty's {{ByteBuf}} instances.
> This is am umbrella task for avoiding these buffer copies and some related
> code changes
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