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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2015/11/03 00:49:27 UTC
[jira] [Updated] (HIVE-11777) implement an option to have single
ETL strategy for multiple directories
[ https://issues.apache.org/jira/browse/HIVE-11777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sergey Shelukhin updated HIVE-11777:
------------------------------------
Attachment: HIVE-11777.04.patch
Rebased the patch.
> implement an option to have single ETL strategy for multiple directories
> ------------------------------------------------------------------------
>
> Key: HIVE-11777
> URL: https://issues.apache.org/jira/browse/HIVE-11777
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-11777.01.patch, HIVE-11777.02.patch, HIVE-11777.03.patch, HIVE-11777.04.patch, HIVE-11777.patch
>
>
> In case of metastore footer PPD we don't want to call PPD call with all attendant SARG, MS and HBase overhead for each directory. If we wait for some time (10ms? some fraction of inputs?) we can do one call without losing overall perf.
> For now make it time based.
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