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https://issues.apache.org/jira/browse/HIVE-18372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16318821#comment-16318821
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Alan Gates commented on HIVE-18372:
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Regarding the name ClusterMetaStore, that's fine. I wasn't trying to nitpick,
I just didn't understand. Some comments in that class on the intent would be
helpful. I really like the idea of being able to do cross version testing. We
may want to add integration tests for these using the maven failsafe plugin
(see commit b9526a7ac987b8a07b41531ab14e381bbda7f8ab where I used that tool for
the tests with various database backends).
bq. Do we plan to run the test methods parallel?
"Plan" is too strong a word. As a side project I've made the
standalone-metastore tests run in parallel using test.forkcount. To get this
to work I had to change two things, one move derby into memory (that is, set
the jdbc URL to jdbc:derby:memory:...) and two, write an in memory FileSystem
implementation for HDFS (I plan on contributing this to Hadoop). I haven't
tried the parallel tests outside of standalone-metastore yet. My hope is that
if we can use maven parallelism effectively we may be able to greatly simply
ptest and make it so that users with multi-core machines (or money to rent
them) can run the tests in a few hours.
It seems we're both doing a lot of work in test improvements. I propose we
write a brief wiki page on what we're doing so that we can share ideas there
and everyone else is aware of what we're doing.
> Create testing infra to test different HMS instances
> ----------------------------------------------------
>
> Key: HIVE-18372
> URL: https://issues.apache.org/jira/browse/HIVE-18372
> Project: Hive
> Issue Type: Sub-task
> Reporter: Peter Vary
> Assignee: Peter Vary
> Attachments: HIVE-18372.2.patch, HIVE-18372.patch
>
>
> Since there will be multiple tests, it would be good to have a good
> infrastructure to help creating those faster, easier.
> This patch will also include the test cases for the Database related methods
> to showcase the infra
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