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From "Raghotham Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-677) better debugging
Date Sat, 25 Jul 2009 00:49:14 GMT

    [ https://issues.apache.org/jira/browse/HIVE-677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12735221#action_12735221

Raghotham Murthy commented on HIVE-677:

It probably makes sense to add the following to the Operator interface?
OperatorProgress getProgress();
This way, at different points in time, we could walk the operator tree and dump out a progress
report for all operators.

> better debugging
> ----------------
>                 Key: HIVE-677
>                 URL: https://issues.apache.org/jira/browse/HIVE-677
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>             Fix For: 0.4.0
>         Attachments: hive.677.1.patch, hive.677.2.patch, hive.677.3.patch
> Currently, we have no idea how many rows are being produced by join/file sink while the
process is running.
> It makes the tasks very difficult to debug - it would be very useful to dump some stats
while the process (mapper/reducer) is running

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