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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17887) TestAcidGuarantees fails frequently
Date Wed, 03 May 2017 09:16:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15994526#comment-15994526
] 

ramkrishna.s.vasudevan commented on HBASE-17887:
------------------------------------------------

The case is that before even the scanner are reset we have two flushes happening and so now
the patch tries to keep all the memstoreScanners during the course of the scan and every time
the old memstoreScanners are closed because we have the store files available with us.
Is it possible to write an UT just with StoreScanner and Store to trigger this case.


> TestAcidGuarantees fails frequently
> -----------------------------------
>
>                 Key: HBASE-17887
>                 URL: https://issues.apache.org/jira/browse/HBASE-17887
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 2.0.0
>            Reporter: Umesh Agashe
>            Assignee: Chia-Ping Tsai
>            Priority: Blocker
>             Fix For: 2.0.0, 1.4.0, 1.2.6, 1.3.2, 1.4.1
>
>         Attachments: HBASE-17887.branch-1.v0.patch, HBASE-17887.branch-1.v1.patch, HBASE-17887.branch-1.v1.patch,
HBASE-17887.branch-1.v2.patch, HBASE-17887.branch-1.v2.patch, HBASE-17887.v0.patch, HBASE-17887.v1.patch
>
>
> As per the flaky tests dashboard here: https://builds.apache.org/job/HBASE-Find-Flaky-Tests/lastSuccessfulBuild/artifact/dashboard.html,
It fails 30% of the time.
> While working on HBASE-17863, a few verification builds on patch failed due to TestAcidGuarantees
didn't pass. IMHO, the changes for HBASE-17863 are unlikely to affect get/ put path.
> I ran the test with and without the patch several times locally and found that TestAcidGuarantees
fails without the patch similar number of times.
> Opening blocker, considering acid guarantees are critical to HBase.



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