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https://issues.apache.org/jira/browse/HIVE-8629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14186997#comment-14186997
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Alan Gates commented on HIVE-8629:
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bq. Does this config change affect compaction jobs triggered by ACID?
No. Compactions are done by the metastore service, not the clients. And they
are always done using MR, regardless of what execution engine is configured.
> Streaming / ACID : hive cli session creation takes too long and times out if
> execution engine is tez
> ----------------------------------------------------------------------------------------------------
>
> Key: HIVE-8629
> URL: https://issues.apache.org/jira/browse/HIVE-8629
> Project: Hive
> Issue Type: Bug
> Components: HCatalog
> Affects Versions: 0.14.0
> Reporter: Roshan Naik
> Assignee: Roshan Naik
> Labels: ACID, Streaming
> Attachments: HIVE-8629.patch
>
>
> When creating a hive session to run basic "alter table create partition"
> queries, the session creation takes too long (more than 5 sec) if the hive
> execution engine is set to tez.
> Since the streaming clients dont care about Tez , it can explicitly override
> the setting to mr.
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