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https://issues.apache.org/jira/browse/HBASE-23899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17046501#comment-17046501
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Mark Robert Miller commented on HBASE-23899:
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bq. Fix some issues particular where we ran into mismatched filesystem
complaint.
Great! I had been running into this sometimes and did not know what to make of
it. Had to work around it.
bq. Removal of unnecessary deletes
+1, unless it releases resources, just eats time and adds things that can go
wrong.
bq. manifests as test failing in startup saying master didn't launch
Cool, been biting me too. This and the first issue will improve my local test
situation a lot without hack work arounds.
bq. TestReplicationStatus
I looked at this for a while the other day as well. I added code to try and
wait for the right state to show up. I found any and many possible thread
safety issues that could be related and fixed them. And still this one fail
would happen. It did seem to make it much harder for it to happen on my 16 core
box, I thought it was fixed. But I could still easily reproduce it on my 4 and
8 core boxes.
> [Flakey Test] Stabilizations and Debug
> --------------------------------------
>
> Key: HBASE-23899
> URL: https://issues.apache.org/jira/browse/HBASE-23899
> Project: HBase
> Issue Type: Bug
> Components: flakies
> Reporter: Michael Stack
> Priority: Major
>
> Bunch of test stabilization and extra debug. This set of changes make it so
> local 'test' runs pass about 20% of the time (where before they didn't) when
> run on a linux vm and on a mac.
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