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https://issues.apache.org/jira/browse/PHOENIX-1711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14357876#comment-14357876
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Tulasi P commented on PHOENIX-1711:
-----------------------------------
About 30% better throughput overall.
> 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, PHOENIX-1711_4.0.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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