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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14803) S3: Stats gathering for insert queries can be expensive for partitioned dataset
Date Mon, 10 Oct 2016 17:50:20 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-14803:
-----------------------------------
    Fix Version/s: 2.2.0

> S3: Stats gathering for insert queries can be expensive for partitioned dataset
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-14803
>                 URL: https://issues.apache.org/jira/browse/HIVE-14803
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>    Affects Versions: 2.1.0
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14803.1.patch
>
>
> StatsTask's aggregateStats populates stats details for all partitions by checking the
file sizes which turns out to be expensive when larger number of partitions are inserted.




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