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From "Abdullah Yousufi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14165) Enable faster S3 Split Computation by listing files in blocks
Date Mon, 25 Jul 2016 18:18:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392423#comment-15392423
] 

Abdullah Yousufi commented on HIVE-14165:
-----------------------------------------

Thanks for the clarification Steve, looking forward to that O(files/1000) recursive list

> Enable faster S3 Split Computation by listing files in blocks
> -------------------------------------------------------------
>
>                 Key: HIVE-14165
>                 URL: https://issues.apache.org/jira/browse/HIVE-14165
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: 2.1.0
>            Reporter: Abdullah Yousufi
>            Assignee: Abdullah Yousufi
>
> During split computation when a large number of files are required to be listed from
S3, instead of executing 1 API call per file, one can optimize by listing 1000 files in each
API call. This would reduce the amount of time required for listing files.
> Qubole has this optimization in place as detailed here: https://www.qubole.com/blog/product/optimizing-hadoop-for-s3-part-1/?nabe=5695374637924352:0



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