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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1711) Improve performance of CSV loader
Date Mon, 09 Mar 2015 17:47:38 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14353263#comment-14353263
] 

James Taylor commented on PHOENIX-1711:
---------------------------------------

Good to know - I wasn't sure if it was needed or not. Would it be needed for the non MR based
CSV loader? If not, I'll remove it.

> Improve performance of CSV loader
> ---------------------------------
>
>                 Key: PHOENIX-1711
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1711
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>         Attachments: PHOENIX-1711.patch
>
>
> Here is a break-up of percentage execution time for some of the steps inthe mapper:
> csvParser: 18%
> csvUpsertExecutor.execute(ImmutableList.of(csvRecord)): 39%
> PhoenixRuntime.getUncommittedDataIterator(conn, true): 9%
> ´╗┐while (uncommittedDataIterator.hasNext()): 15%
> Read IO & custom processing: 19%
> See details here: http://s.apache.org/6rl



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