hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Szehon Ho (JIRA)" <>
Subject [jira] [Updated] (HIVE-8844) Choose a persisent policy for RDD caching [Spark Branch]
Date Sat, 15 Nov 2014 19:47:33 GMT


Szehon Ho updated HIVE-8844:
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Already committed to spark branch last night, let's make another jira to simplify this then.

> Choose a persisent policy for RDD caching [Spark Branch]
> --------------------------------------------------------
>                 Key: HIVE-8844
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Xuefu Zhang
>            Assignee: Jimmy Xiang
>             Fix For: spark-branch
>         Attachments: HIVE-8844.1-spark.patch, HIVE-8844.2-spark.patch, HIVE-8844.3-spark.patch
> RDD caching is used for performance reasons in some multi-insert queries. Currently,
we call RDD.cache(), which indicates a persistency policy of using memory only. We should
choose a better policy. I think memory+disk will be good enough. Refer to RDD.persist() for
more information.

This message was sent by Atlassian JIRA

View raw message