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https://issues.apache.org/jira/browse/HIVE-10233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14603478#comment-14603478
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Gunther Hagleitner commented on HIVE-10233:
-------------------------------------------
.19 has more reported fixes (fallback in case of all joins are small, actually
making fallback work...)
> Hive on tez: memory manager for grace hash join
> -----------------------------------------------
>
> Key: HIVE-10233
> URL: https://issues.apache.org/jira/browse/HIVE-10233
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: llap, 2.0.0
> Reporter: Vikram Dixit K
> Assignee: Gunther Hagleitner
> Attachments: HIVE-10233-WIP-2.patch, HIVE-10233-WIP-3.patch,
> HIVE-10233-WIP-4.patch, HIVE-10233-WIP-5.patch, HIVE-10233-WIP-6.patch,
> HIVE-10233-WIP-7.patch, HIVE-10233-WIP-8.patch, HIVE-10233.08.patch,
> HIVE-10233.09.patch, HIVE-10233.10.patch, HIVE-10233.11.patch,
> HIVE-10233.12.patch, HIVE-10233.13.patch, HIVE-10233.14.patch,
> HIVE-10233.15.patch, HIVE-10233.16.patch, HIVE-10233.17.patch,
> HIVE-10233.18.patch, HIVE-10233.19.patch
>
>
> We need a memory manager in llap/tez to manage the usage of memory across
> threads.
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