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https://issues.apache.org/jira/browse/HIVE-5151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gunther Hagleitner updated HIVE-5151:
-------------------------------------
Description:
Tez reuses containers to schedule tasks from same and different vertices in the
same JVM. It also offers an API to reuse objects across vertices, dags and
sessions.
For hive we should reuse the operator plan as well as any hash tables (map
join).
NO PRECOMMIT TESTS (this is wip for the tez branch)
was:
Tez reuses containers to schedule tasks from same and different vertices in the
same JVM. It also offers an API to reuse objects across vertices, dags and
sessions.
For hive we should reuse the operator plan as well as any hash tables (map
join).
> Going green: Container re-cycling in Tez
> ----------------------------------------
>
> Key: HIVE-5151
> URL: https://issues.apache.org/jira/browse/HIVE-5151
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Fix For: tez-branch
>
>
> Tez reuses containers to schedule tasks from same and different vertices in
> the same JVM. It also offers an API to reuse objects across vertices, dags
> and sessions.
> For hive we should reuse the operator plan as well as any hash tables (map
> join).
> NO PRECOMMIT TESTS (this is wip for the tez branch)
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