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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16109) TestDbTxnManager generates a huge hive.log
Date Sat, 04 Mar 2017 02:35:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15895444#comment-15895444
] 

Sergey Shelukhin commented on HIVE-16109:
-----------------------------------------

+1 I'm pretty sure logging could be reduced too :)

> TestDbTxnManager generates a huge hive.log
> ------------------------------------------
>
>                 Key: HIVE-16109
>                 URL: https://issues.apache.org/jira/browse/HIVE-16109
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>         Attachments: HIVE-16109.01.patch
>
>
> Pre-commit jobs are failing currently due to out of disk space. The issue is happening
due to huge size of hive.log when TestDbTxnManager test fails or times-out. When this test
fails or times-out Ptest tries to persist these logs for debugging. Since this test has been
timing out frequently, this accumulates a lot of these log files and eventually Ptest server
runs of disk space. Each run of TestDbTxnManager is generating ~30 GB of hive.log. I tried
to run it locally and it quickly reached 7 GB until I had to cancel it.
> The issue seems to be coming from this code block in TxnHandler.java
> {noformat}
> if(LOG.isDebugEnabled()) {
>         LOG.debug("Locks to check(full): ");
>         for(LockInfo info : locks) {
>           LOG.debug("  " + info);
>         }
>       }
> {noformat}
> We should either change it trace or change the log mode of this test to INFO so that
it generates smaller log files.



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