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https://issues.apache.org/jira/browse/FLINK-5046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-5046.
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Resolution: Fixed
Fixed
in 1.2 via 58204da13d42c265d6a503a8cf738b6522e12ba6
in 1.1 via 9a19ca115392f33dc138aea8122cb85fb90e784b
> Avoid redundant serialization when creating the TaskDeploymentDescriptor
> ------------------------------------------------------------------------
>
> Key: FLINK-5046
> URL: https://issues.apache.org/jira/browse/FLINK-5046
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Coordination
> Affects Versions: 1.2.0, 1.1.3
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Fix For: 1.2.0, 1.1.4
>
>
> When creating the {{TaskDeploymentDescriptor}} we extract information from
> the {{ExecutionGraph}} which is defined job-wide and from the
> {{ExecutionJobVertex}} which is defined operator-wide. The extracted
> information will be serialized for every subtask even though it stays the
> same.
> As an improvement, we can serialize this information once and give the
> serialized byte array to the {{TaskDeploymentDescriptor}}. This will reduce
> the serialization work Flink has to do when deploying sub tasks.
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