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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14828) Cloud/S3: Stats publishing should be on HDFS instead of S3
Date Fri, 23 Sep 2016 09:18:21 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajesh Balamohan updated HIVE-14828:
------------------------------------
    Affects Version/s: 1.2.0

> Cloud/S3: Stats publishing should be on HDFS instead of S3
> ----------------------------------------------------------
>
>                 Key: HIVE-14828
>                 URL: https://issues.apache.org/jira/browse/HIVE-14828
>             Project: Hive
>          Issue Type: Improvement
>          Components: Statistics
>    Affects Versions: 1.2.0
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>
> Currently, stats files are created in S3. Later as a part of FSStatsAggregator, it reads
this file and populates MS again.
> {noformat}
> 2016-09-23 05:57:46,772 INFO  [main]: fs.FSStatsPublisher (FSStatsPublisher.java:init(49))
- created : s3a://BUCKET/test/.hive-staging_hive_2016-09-23_05-57-34_309_2648485988937054815-1/-ext-10001
> 2016-09-23 05:57:46,773 DEBUG [main]: fs.FSStatsAggregator (FSStatsAggregator.java:connect(53))
- About to read stats from : s3a://BUCKET/test/.hive-staging_hive_2016-09-23_05-57-34_309_2648485988937054815-1/-ext-10001
> {noformat}
> Instead of this, stats can be written directly on to HDFS and read locally instead of
S3, which would help in reducing couple of calls to S3.



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