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https://issues.apache.org/jira/browse/TAJO-201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-201:
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Fix Version/s: (was: 0.8-incubating)
1.0-incubating
> Physical execution plan should be reused for same task
> ------------------------------------------------------
>
> Key: TAJO-201
> URL: https://issues.apache.org/jira/browse/TAJO-201
> Project: Tajo
> Issue Type: Improvement
> Components: worker
> Reporter: Hyunsik Choi
> Fix For: 1.0-incubating
>
>
> In worker, one physical execution plan is generated for each task. If we
> reuse this, we can have more optimization opportunities. For example, a
> broadcast table can be shared among all tasks executed in the same worker.
> Also, it's initialization cost and deserialization of json can be eliminated.
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