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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2018/01/08 05:54:00 UTC

[jira] [Created] (HBASE-19731) TestFromClientSide#testCheckAndDeleteWithCompareOp and testNullQualifier are flakey

stack created HBASE-19731:
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             Summary: TestFromClientSide#testCheckAndDeleteWithCompareOp and testNullQualifier are flakey
                 Key: HBASE-19731
                 URL: https://issues.apache.org/jira/browse/HBASE-19731
             Project: HBase
          Issue Type: Sub-task
          Components: test
            Reporter: stack
            Assignee: stack
            Priority: Critical
             Fix For: 2.0.0-beta-2


These two tests fail frequently locally; rare does this suite pass.

The failures are either of these two tests.  Unfortunately, running the test standalone does not bring  on the issue; need to run the whole suite.

In both cases, we have a Delete followed by a Put and then a checkAnd* -type operation which does a Get expecting to find the just put Put but it fails on occasion.

Looks to be an mvcc issues or Put going in at same timestamp as the Delete. Its hard to debug given any added logging seems to make it all pass again.

Seems this too is new in beta-1. Running tests against alpha-4 seem to pass.

Doing a compare....



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