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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-1336) Optimize content of mapPlan/reducePlan to be serialized into JobConf
Date Mon, 29 Mar 2010 23:45:27 GMT

     [ https://issues.apache.org/jira/browse/PIG-1336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Dai updated PIG-1336:
----------------------------

    Status: Open  (was: Patch Available)

> Optimize content of mapPlan/reducePlan to be serialized into JobConf
> --------------------------------------------------------------------
>
>                 Key: PIG-1336
>                 URL: https://issues.apache.org/jira/browse/PIG-1336
>             Project: Pig
>          Issue Type: Improvement
>          Components: impl
>    Affects Versions: 0.7.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>         Attachments: PIG-1336-1.patch, PIG-1336-2.patch
>
>
> Currently, if a pig script job contains multiple map-reduce jobs, each job will serialize
all map-reduce job plan into JobConf. The reason is PhysicalOperator.inputs is built in Physical
plan and in fact it chains all the jobs without regard to map-reduce boundary. Further, when
we only want to serialize POStore, we serialize this whole plan again due to POStore.inputs.
This should be fixed. 

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