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Posted to issues@hbase.apache.org by "Chia-Ping Tsai (JIRA)" <ji...@apache.org> on 2017/03/11 22:13:04 UTC

[jira] [Updated] (HBASE-17723) ClientAsyncPrefetchScanner may end prematurely when the number of cached rows is one

     [ https://issues.apache.org/jira/browse/HBASE-17723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chia-Ping Tsai updated HBASE-17723:
-----------------------------------
    Summary: ClientAsyncPrefetchScanner may end prematurely when the number of cached rows is one  (was: TestServerSideScanMetricsFromClientSide and TestRecoveredEdits fail)

> ClientAsyncPrefetchScanner may end prematurely when the number of cached rows is one
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-17723
>                 URL: https://issues.apache.org/jira/browse/HBASE-17723
>             Project: HBase
>          Issue Type: Bug
>          Components: integration tests
>    Affects Versions: 2.0.0
>         Environment: Ubuntu 14.04 LTS / x86_64 / 16GB RAM
>            Reporter: Anup Halarnkar
>
> Command to build and test:
> mvn clean install -X 
> JAVA_TOOL_OPTIONS: -Xmx4G -XX:MaxPermSize=4G -Xms1G
> Failure in tests:
> Results :
> Failed tests:
>   TestServerSideScanMetricsFromClientSide.testRowsSeenMetricWithAsync:161->testRowsSeenMetric:174->testRowsSeenMetric:204->testMetric:330 Metric: ROWS_SCANNED Expected: 9 Actual: 8 expected:<9> but was:<8>
>   TestRecoveredEdits.testReplayWorksThoughLotsOfFlushing:78->testReplayWorksWithMemoryCompactionPolicy:149->verifyAllEditsMadeItIn:195 Failed to find W\xE1X\xDBv\xD8}\x07\xBF\xC1I\xF1\xF5\xB9\x84\xD8/meta:prev/1422491946444/Put/vlen=16/seqid=0
> Tests run: 1761, Failures: 2, Errors: 0, Skipped: 6
> ----------------------------------------------------------------------------------------
> This is the output for 1st test failure:
> -------------------------------------------------------------------------------
> Test set: org.apache.hadoop.hbase.TestServerSideScanMetricsFromClientSide
> -------------------------------------------------------------------------------
> Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 7.971 sec <<< FAILURE! - in org.apache.hadoop.hbase.TestServerSideScanMetricsFromClientSide
> testRowsSeenMetricWithAsync(org.apache.hadoop.hbase.TestServerSideScanMetricsFromClientSide)  Time elapsed: 1.134 sec  <<< FAILURE!
> java.lang.AssertionError: Metric: ROWS_SCANNED Expected: 9 Actual: 8 expected:<9> but was:<8>
>         at org.junit.Assert.fail(Assert.java:88)
>         at org.junit.Assert.failNotEquals(Assert.java:834)
>         at org.junit.Assert.assertEquals(Assert.java:645)
>         at org.apache.hadoop.hbase.TestServerSideScanMetricsFromClientSide.testMetric(TestServerSideScanMetricsFromClientSide.java:330)
>         at org.apache.hadoop.hbase.TestServerSideScanMetricsFromClientSide.testRowsSeenMetric(TestServerSideScanMetricsFromClientSide.java:204)
>         at org.apache.hadoop.hbase.TestServerSideScanMetricsFromClientSide.testRowsSeenMetric(TestServerSideScanMetricsFromClientSide.java:174)
>         at org.apache.hadoop.hbase.TestServerSideScanMetricsFromClientSide.testRowsSeenMetricWithAsync(TestServerSideScanMetricsFromClientSide.java:161)
> ------------------------------------------------------------------------------------
> This is output of 2nd test failure:
> -------------------------------------------------------------------------------
> Test set: org.apache.hadoop.hbase.regionserver.TestRecoveredEdits
> -------------------------------------------------------------------------------
> Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 11.911 sec <<< FAILURE! - in org.apache.hadoop.hbase.regionserver.TestRecoveredEdits
> testReplayWorksThoughLotsOfFlushing(org.apache.hadoop.hbase.regionserver.TestRecoveredEdits)  Time elapsed: 11.871 sec  <<< FAILURE!
> java.lang.AssertionError: Failed to find W\xE1X\xDBv\xD8}\x07\xBF\xC1I\xF1\xF5\xB9\x84\xD8/meta:prev/1422491946444/Put/vlen=16/seqid=0
>         at org.junit.Assert.fail(Assert.java:88)
>         at org.junit.Assert.assertTrue(Assert.java:41)
>         at org.apache.hadoop.hbase.regionserver.TestRecoveredEdits.verifyAllEditsMadeItIn(TestRecoveredEdits.java:195)
>         at org.apache.hadoop.hbase.regionserver.TestRecoveredEdits.testReplayWorksWithMemoryCompactionPolicy(TestRecoveredEdits.java:149)
>         at org.apache.hadoop.hbase.regionserver.TestRecoveredEdits.testReplayWorksThoughLotsOfFlushing(TestRecoveredEdits.java:78)
> Please let me know if you need more information
> Thanks,
> Anup



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