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https://issues.apache.org/jira/browse/HIVE-16895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187297#comment-16187297
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Lefty Leverenz commented on HIVE-16895:
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Doc update: HIVE-17625 changes the default value to 100, also in release 3.0.0.
The wiki has been updated:
* [hive.repl.partitions.dump.parallelism |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.repl.partitions.dump.parallelism]
> Multi-threaded execution of bootstrap dump of partitions
> ---------------------------------------------------------
>
> Key: HIVE-16895
> URL: https://issues.apache.org/jira/browse/HIVE-16895
> Project: Hive
> Issue Type: Sub-task
> Components: HiveServer2
> Affects Versions: 3.0.0
> Reporter: anishek
> Assignee: anishek
> Fix For: 3.0.0
>
> Attachments: HIVE-16895.1.patch, HIVE-16895.2.patch
>
>
> to allow faster execution of bootstrap dump phase we dump multiple partitions
> from same table simultaneously.
> even though dumping functions is not going to be a blocker, moving to
> similar execution modes for all metastore objects will make code more
> coherent.
> Bootstrap dump at db level does :
> * boostrap of all tables
> ** boostrap of all partitions in a table. (scope of current jira)
> * boostrap of all functions
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