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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2012/10/29 04:53:11 UTC

[jira] [Created] (HIVE-3629) Try bucket split more localized by referencing block locations of small aliases

Navis created HIVE-3629:
---------------------------

             Summary: Try bucket split more localized by referencing block locations of small aliases
                 Key: HIVE-3629
                 URL: https://issues.apache.org/jira/browse/HIVE-3629
             Project: Hive
          Issue Type: Improvement
          Components: Query Processor
            Reporter: Navis
            Assignee: Navis
            Priority: Minor


Currently splits for SMBMapJoin does not concern about location of small aliases. If all inputs could be on single server, joining would be more faster.

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[jira] [Updated] (HIVE-3629) Try bucket split more localized by referencing block locations of small aliases

Posted by "Phabricator (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HIVE-3629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Phabricator updated HIVE-3629:
------------------------------

    Attachment: HIVE-3629.D6273.1.patch

navis requested code review of "HIVE-3629 [jira] Try bucket split more localized by referencing block locations of small aliases".
Reviewers: JIRA

  DPAL-1926 Try bucket split more localized by referencing block locations of small aliases

  Currently splits for SMBMapJoin does not concern about location of small aliases. If all inputs could be on single server, joining would be more faster.

TEST PLAN
  EMPTY

REVISION DETAIL
  https://reviews.facebook.net/D6273

AFFECTED FILES
  ql/src/java/org/apache/hadoop/hive/ql/exec/SMBMapJoinOperator.java
  ql/src/java/org/apache/hadoop/hive/ql/io/BucketizedHiveInputFormat.java
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMapRedUtils.java
  ql/src/java/org/apache/hadoop/hive/ql/plan/BucketMapJoinContext.java
  ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java

MANAGE HERALD DIFFERENTIAL RULES
  https://reviews.facebook.net/herald/view/differential/

WHY DID I GET THIS EMAIL?
  https://reviews.facebook.net/herald/transcript/14907/

To: JIRA, navis

                
> Try bucket split more localized by referencing block locations of small aliases
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-3629
>                 URL: https://issues.apache.org/jira/browse/HIVE-3629
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Minor
>         Attachments: HIVE-3629.D6273.1.patch
>
>
> Currently splits for SMBMapJoin does not concern about location of small aliases. If all inputs could be on single server, joining would be more faster.

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