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https://issues.apache.org/jira/browse/PHOENIX-7177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17806519#comment-17806519
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Istvan Toth commented on PHOENIX-7177:
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IMO running all of the tests on a real cluster is not worth it.
When I started working on Phoenix I have also spent weeks on it, for virtually
no payoff.
It may be useful for single tests, or when debugging performance problems, but
I can count on zero hands when I used it to solve real problems in the last
four years.
In order to get a decent coverage, you'd need to be able dynamically
reconfigure HBase.
Neither the upstream tools, nor the test suite is prepared for that.
At @dayjob we have a separate test suite that is integrated with
Ambari/Cloudera CM, and re-configures the test cluster as needed.
I guess as Ambari is open source, you MAY be able to do something similar with
only upstream tools (with open source Ambari), but it'd be a huge job, for for
dubious payoffs.
> some IT testcases depending on TaskRegionEnvironment can't run on distributed
> HBaseCluster
> ------------------------------------------------------------------------------------------
>
> Key: PHOENIX-7177
> URL: https://issues.apache.org/jira/browse/PHOENIX-7177
> Project: Phoenix
> Issue Type: Improvement
> Reporter: Anchal Kejriwal
> Assignee: Anchal Kejriwal
> Priority: Major
> Labels: test
>
> Reason: Because of initialisation of TaskRegionEnvironment in internal API
> call which needs miniCluster to run testcases
> Example testcase: ReadIsolationLevelIT
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