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From "Vihang Karajgaonkar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-16109) TestDbTxnManager generates a huge hive.log
Date Fri, 03 Mar 2017 23:49:45 GMT
Vihang Karajgaonkar created HIVE-16109:
------------------------------------------

             Summary: 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


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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