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From "Ning Zhang (JIRA)" <>
Subject [jira] [Commented] (HIVE-2211) Fix a bug caused by HIVE-243
Date Thu, 09 Jun 2011 21:49:58 GMT


Ning Zhang commented on HIVE-2211:

+1. In the followup we should add a unit test for this function to compare the contentsummary
returned by parallel execution and serial execution. 

> Fix a bug caused by HIVE-243
> ----------------------------
>                 Key: HIVE-2211
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Siying Dong
>         Attachments: HIVE-2211.1.patch
> Quick fix a bug caused by HIVE-243
> HIVE-234 removed the codes to wait for the threads to finish and use ThreadPoolExector.shutdown()
to wait for the results. The usage of ThreadPoolExecutor.shutdown(), however, is wrong. The
codes assume that the function blocks until all threads finish running but it actually only
marks status and won't block. It caused wrong result of Utilities.getInputSummary() and caused
many jobs are executed as local mode while they have huge data.
> Revert those changes quickly. We can have a follow-up to see how to deal with this more
efficiently if you want.

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