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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13531) After 4/18/15 merge, we have started encountering failures of TestAcidGuarantees#testMobScanAtomicity
Date Wed, 22 Apr 2015 19:53:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14507763#comment-14507763
] 

Jonathan Hsieh commented on HBASE-13531:
----------------------------------------

Here's the error I've encountered:

{code}
2015-04-21 17:31:29,336 DEBUG [MemStoreFlusher.1] regionserver.FlushLargeStoresPolicy(100):
Since none of the CFs were above the size, flushing all.
2015-04-21 17:31:29,336 INFO  [MemStoreFlusher.1] regionserver.HRegion(2089): Started memstore
flush for TestAcidGuarantees,,1429662672923.ee8627968d4e49a465c60be6004b0e7d., current region
memstore size 128.91 KB, and 3/3 column families' memstores are being flushed.
2015-04-21 17:31:29,336 DEBUG [B.defaultRpcServer.handler=2,queue=0,port=38585] regionserver.HRegion(3715):
Flush requested on TestAcidGuarantees,,1429662672923.ee8627968d4e49a465c60be6004b0e7d.
2015-04-21 17:31:29,353 ERROR [Thread-5867] hbase.MultithreadedTestUtil$TestContext(84): Failed!
java.lang.RuntimeException: Failed after 3911!Expected=\xAFZ\x01{U\x97\x83\xAB\x83\x1CGot:
test_row_2/A:col0/1429662689053/Put/vlen=10/seqid=0 val= \xAFZ\x01{U\x97\x83\xAB\x83\x1C
test_row_2/A:col1/1429662689053/Put/vlen=10/seqid=0 val= \xAFZ\x01{U\x97\x83\xAB\x83\x1C
test_row_2/A:col10/1429662689053/Put/vlen=10/seqid=0 val= \xAFZ\x01{U\x97\x83\xAB\x83\x1C
...
test_row_2/A:col9/1429662689053/Put/vlen=10/seqid=0 val= \xAFZ\x01{U\x97\x83\xAB\x83\x1C
test_row_2/B:col0/1429662689053/Put/vlen=10/seqid=0 val= \xE4w\xE5\x00\xEA\x02\xBD\x87\xD4r
test_row_2/B:col1/1429662689053/Put/vlen=10/seqid=0 val= \xE4w\xE5\x00\xEA\x02\xBD\x87\xD4r
...
test_row_2/B:col9/1429662689053/Put/vlen=10/seqid=0 val= \xE4w\xE5\x00\xEA\x02\xBD\x87\xD4r
test_row_2/C:col0/1429662689053/Put/vlen=10/seqid=0 val= \xE4w\xE5\x00\xEA\x02\xBD\x87\xD4r
test_row_2/C:col1/1429662689053/Put/vlen=10/seqid=0 val= \xE4w\xE5\x00\xEA\x02\xBD\x87\xD4r
..
test_row_2/C:col9/1429662689053/Put/vlen=10/seqid=0 val= \xE4w\xE5\x00\xEA\x02\xBD\x87\xD4r

	at org.apache.hadoop.hbase.TestAcidGuarantees$AtomicScanReader.gotFailure(TestAcidGuarantees.java:260)
	at org.apache.hadoop.hbase.TestAcidGuarantees$AtomicScanReader.doAnAction(TestAcidGuarantees.java:239)
	at org.apache.hadoop.hbase.MultithreadedTestUtil$RepeatingTestThread.doWork(MultithreadedTestUtil.java:147)
	at org.apache.hadoop.hbase.MultithreadedTestUtil$TestThread.run(MultithreadedTestUtil.java:123)
2015-04-21 17:31:29,363 INFO  [main] hbase.HBaseTestingUtility(1076): Shutting down minicluster
2015-04-21 17:31:29,363 INFO  [main] client.ConnectionImplementation(1765): Closing master
protocol: MasterService
... (the same stack trace/error message is repeated a few times)
{code}

> After 4/18/15 merge, we have started encountering failures of TestAcidGuarantees#testMobScanAtomicity
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-13531
>                 URL: https://issues.apache.org/jira/browse/HBASE-13531
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>    Affects Versions: hbase-11339
>            Reporter: Jonathan Hsieh
>             Fix For: hbase-11339
>
>
> After the merge of master from 4/18/15 with hbase-11339 branch, we encounter some atomicity
violations.  We want to fix before calling merge to trunk.



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