[jira] Resolved: (HIVE-1846) change hive assumption that local mode mappers/reducers always run in same jvm

["Joydeep Sen Sarma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-1846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joydeep Sen Sarma resolved HIVE-1846.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.7.0

committed - thanks Ram.

> change hive assumption that local mode mappers/reducers always run in same jvm 
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-1846
>                 URL: https://issues.apache.org/jira/browse/HIVE-1846
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Joydeep Sen Sarma
>            Assignee: Joydeep Sen Sarma
>             Fix For: 0.7.0
>
>         Attachments: HIVE-1846.patch
>
>
> we are trying out a version of hadoop local mode that runs multiple mappers/reducers by spawning jvm's for them. In this mode hive mappers fail in reading the plan file. it seems that we assume (in the setMapredWork call) that local mode mappers/reducers will run in the same jvm (we can cache the current plan in a global var and don't serialize to a path). this needs to get fixed.

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