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https://issues.apache.org/jira/browse/HIVE-14269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15388344#comment-15388344
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Steve Loughran commented on HIVE-14269:
---------------------------------------
People working on this should be using a build of Hadoop 2.8+, with S3A's
latest patches
# the instrumentation you get at the API level (or just in input stream and
filesystem .toString()) values tell you what happened.
# Things that may appear to be a problem may not be so bad any more.
# things that are still be problem may be addressable in Hadoop, with patches
against that latest code
> Performance optimizations for data on S3
> ----------------------------------------
>
> Key: HIVE-14269
> URL: https://issues.apache.org/jira/browse/HIVE-14269
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 2.1.0
> Reporter: Sergio Peña
> Assignee: Sergio Peña
>
> Working with tables that resides on Amazon S3 (or any other object store)
> have several performance impact when reading or writing data, and also
> consistency issues.
> This JIRA is an umbrella task to monitor all the performance improvements
> that can be done in Hive to work better with S3 data.
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