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https://issues.apache.org/jira/browse/HIVE-12470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15617084#comment-15617084
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Shannon Ladymon commented on HIVE-12470:
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Doc Done:
* [Configuration Properties - hive.llap.client.consistent.splits |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.llap.client.consistent.splits]
* [Configuration Properties - hive.llap.daemon.service.hosts |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.llap.daemon.service.hosts]
> Allow splits to provide custom consistent locations, instead of being tied to
> data locality
> -------------------------------------------------------------------------------------------
>
> Key: HIVE-12470
> URL: https://issues.apache.org/jira/browse/HIVE-12470
> Project: Hive
> Issue Type: Improvement
> Components: llap
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Labels: TODOC2.0
> Fix For: 2.0.0
>
> Attachments: HIVE-12470.1.txt, HIVE-12470.1.wip.txt, HIVE-12470.2.txt
>
>
> LLAP instances may not run on the same nodes as HDFS, or may run on a subset
> of the cluster.
> Using split locations based on FileSystem locality is not very useful in such
> cases - since that guarantees not getting any locality.
> Allow a split to map to a specific location - so that there's a chance of
> getting cache locality across different queries.
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