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Posted to issues@hbase.apache.org by "Michael Stack (Jira)" <ji...@apache.org> on 2020/01/25 01:39:00 UTC

[jira] [Created] (HBASE-23737) [Flakey Tests] TestFavoredNodeTableImport fails 30% of the time

Michael Stack created HBASE-23737:
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             Summary: [Flakey Tests] TestFavoredNodeTableImport fails 30% of the time
                 Key: HBASE-23737
                 URL: https://issues.apache.org/jira/browse/HBASE-23737
             Project: HBase
          Issue Type: Bug
            Reporter: Michael Stack


Spent time on TestFavoredNodeTableImport. It fails w/ an NPE when we go to get favorednodes for one of the regions. It is sporadic. Fails for me locally too about 30% of the time.

I tried to study where we are going wrong. The balancer is disabled when we start the cluster up again on FN balancer... but this don't seem to be the problem.

Looks like laggard Regions taking their time to open means they don't show in the global list of favored nodes when the checking runs. Adding a wait till no RIT seems to stabilize the test.



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