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From "Yin Huai (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-15247) sqlCtx.read.parquet yields at least n_executors * n_cores tasks
Date Tue, 14 Jun 2016 20:19:30 GMT

     [ https://issues.apache.org/jira/browse/SPARK-15247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yin Huai resolved SPARK-15247.
------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

This issue has been resolved by https://github.com/apache/spark/pull/13137.

> sqlCtx.read.parquet yields at least n_executors * n_cores tasks
> ---------------------------------------------------------------
>
>                 Key: SPARK-15247
>                 URL: https://issues.apache.org/jira/browse/SPARK-15247
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.6.0
>            Reporter: Johnny W.
>            Assignee: Takeshi Yamamuro
>             Fix For: 2.0.0
>
>
> sqlCtx.read.parquet always yields at least n_executors * n_cores tasks, even though this
is only 1 very small file
> This issue can increase the latency for small jobs.



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