hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9251) SetSparkReducerParallelism is likely to set too small number of reducers [Spark Branch]
Date Tue, 06 Jan 2015 11:29:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rui Li updated HIVE-9251:
-------------------------
    Status: Patch Available  (was: Open)

> SetSparkReducerParallelism is likely to set too small number of reducers [Spark Branch]
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-9251
>                 URL: https://issues.apache.org/jira/browse/HIVE-9251
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Rui Li
>            Assignee: Rui Li
>         Attachments: HIVE-9251.1-spark.patch, HIVE-9251.2-spark.patch
>
>
> This may hurt performance or even lead to task failures. For example, spark's netty-based
shuffle limits the max frame size to be 2G.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message