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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8328) MapJoin implementation in Tez should not reload hashtables
Date Thu, 02 Oct 2014 06:44:33 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-8328:
--------------------------
    Attachment: HIVE-8328.WIP.patch

This fixes the symptoms at least.

> MapJoin implementation in Tez should not reload hashtables 
> -----------------------------------------------------------
>
>                 Key: HIVE-8328
>                 URL: https://issues.apache.org/jira/browse/HIVE-8328
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>    Affects Versions: 0.14.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Blocker
>              Labels: Regression
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8328.WIP.patch
>
>
> {code}
>  private void loadHashTable() throws HiveException {
>     if ((this.getExecContext() != null)
>         && ((this.getExecContext().getLocalWork() == null) || (!this.getExecContext()
>             .getLocalWork().getInputFileChangeSensitive()))) {
>       if (hashTblInitedOnce) {
>         return;
>       } else {
>         hashTblInitedOnce = true;
>       }
>     }
> {code}
> This is not exiting in Tez, even if hashTblInitedOnce=true;



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