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https://issues.apache.org/jira/browse/HBASE-12199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162788#comment-14162788
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Manukranth Kolloju commented on HBASE-12199:
--------------------------------------------

[~stack], I should have bunched the first 2(TestEncodedSeekers, 
TestCacheOnWrite) together. The third one(TestAtomicOperation) didn't belong to 
the first 2 patches because it was slightly unclear. When I fixed 
TestCacheOnWrite(and put up the jira) and ran the tests, I found 
TestEncodedSeekers and TestAtomicOperation as hanging tests. So, I fixed them 
and put up jiras for them. I would have put all of them up if they all 
manifested together in the first go. Or I could have been more patient, my bad 
:)

> Make TestAtomicOperation faster
> -------------------------------
>
>                 Key: HBASE-12199
>                 URL: https://issues.apache.org/jira/browse/HBASE-12199
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 1.0.0
>            Reporter: Manukranth Kolloju
>            Assignee: Manukranth Kolloju
>            Priority: Trivial
>             Fix For: 1.0.0
>
>         Attachments: 0001-INTERNAL-Fix-TestAtomicOperation.patch
>
>
> TestAtomicOperation has a bunch of tests which spawn a bunch of tests that do 
> puts, appends, deletes, inc and then does gets to make sure that things 
> happened. It uses TEST_UTIL.getLocalHRegion() to obtain an HRegion object. 
> So, in essence the test doesn't need to sync to disk to make sure the edits 
> have persisted. There is no regionserver/master to take care of wal replay or 
> any failure for that matter. So, converting all the Durability settings for 
> the edits to ASYNC_WAL seems like the right thing to do here to make the test 
> run faster.



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