Grokbase Groups Pig dev August 2010
FAQ
PERF: create accumulative bag in RelationToExpressionProject
------------------------------------------------------------

Key: PIG-1554
URL: https://issues.apache.org/jira/browse/PIG-1554
Project: Pig
Issue Type: Improvement
Reporter: Thejas M Nair


RelationToExpressionProject creates a DefaultDataBag out of the results of PODistinct and POSort . If the results of the plan are going to be consumed by a operations that support accumulative interface such as COUNT the results can be linked to a new Accumulative bag .


--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.

Search Discussions

  • Thejas M Nair (JIRA) at Aug 21, 2010 at 12:24 am
    [ https://issues.apache.org/jira/browse/PIG-1554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Thejas M Nair updated PIG-1554:
    -------------------------------

    Description:
    In nested-foreach, RelationToExpressionProject creates a DefaultDataBag out of the results of PODistinct and POSort . If the results of the plan are going to be consumed by a operations that support accumulative interface such as COUNT the results can be linked to a new Accumulative bag .


    was:
    RelationToExpressionProject creates a DefaultDataBag out of the results of PODistinct and POSort . If the results of the plan are going to be consumed by a operations that support accumulative interface such as COUNT the results can be linked to a new Accumulative bag .


    PERF: create accumulative bag in RelationToExpressionProject
    ------------------------------------------------------------

    Key: PIG-1554
    URL: https://issues.apache.org/jira/browse/PIG-1554
    Project: Pig
    Issue Type: Improvement
    Reporter: Thejas M Nair

    In nested-foreach, RelationToExpressionProject creates a DefaultDataBag out of the results of PODistinct and POSort . If the results of the plan are going to be consumed by a operations that support accumulative interface such as COUNT the results can be linked to a new Accumulative bag .
    --
    This message is automatically generated by JIRA.
    -
    You can reply to this email to add a comment to the issue online.
  • Alan Gates (JIRA) at Sep 21, 2010 at 6:07 pm
    [ https://issues.apache.org/jira/browse/PIG-1554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Alan Gates updated PIG-1554:
    ----------------------------

    Assignee: Thejas M Nair
    Fix Version/s: 0.9.0
    PERF: create accumulative bag in RelationToExpressionProject
    ------------------------------------------------------------

    Key: PIG-1554
    URL: https://issues.apache.org/jira/browse/PIG-1554
    Project: Pig
    Issue Type: Improvement
    Reporter: Thejas M Nair
    Assignee: Thejas M Nair
    Fix For: 0.9.0


    In nested-foreach, RelationToExpressionProject creates a DefaultDataBag out of the results of PODistinct and POSort . If the results of the plan are going to be consumed by a operations that support accumulative interface such as COUNT the results can be linked to a new Accumulative bag .
    --
    This message is automatically generated by JIRA.
    -
    You can reply to this email to add a comment to the issue online.
  • Olga Natkovich (JIRA) at Oct 27, 2010 at 12:30 am
    [ https://issues.apache.org/jira/browse/PIG-1554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925221#action_12925221 ]

    Olga Natkovich commented on PIG-1554:
    -------------------------------------

    most of the time for COUNT, the algebraic interface will be used. I am actually not sure how often accumulator interface is used at this point so not sure how many queries would be improved by this change
    PERF: create accumulative bag in RelationToExpressionProject
    ------------------------------------------------------------

    Key: PIG-1554
    URL: https://issues.apache.org/jira/browse/PIG-1554
    Project: Pig
    Issue Type: Improvement
    Reporter: Thejas M Nair
    Assignee: Thejas M Nair
    Fix For: 0.9.0


    In nested-foreach, RelationToExpressionProject creates a DefaultDataBag out of the results of PODistinct and POSort . If the results of the plan are going to be consumed by a operations that support accumulative interface such as COUNT the results can be linked to a new Accumulative bag .
    --
    This message is automatically generated by JIRA.
    -
    You can reply to this email to add a comment to the issue online.

Related Discussions

Discussion Navigation
viewthread | post
Discussion Overview
groupdev @
categoriespig, hadoop
postedAug 21, '10 at 12:24a
activeOct 27, '10 at 12:30a
posts4
users1
websitepig.apache.org

1 user in discussion

Olga Natkovich (JIRA): 4 posts

People

Translate

site design / logo © 2022 Grokbase