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https://issues.apache.org/jira/browse/CASSANDRA-18051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17681048#comment-17681048
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Ekaterina Dimitrova commented on CASSANDRA-18051:
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{quote}bq. I still think those tests can run with 2 DCs instead of 3. That is a
trivial change in the dtests that would eliminate the need of running large
dtests with xlarge.
{quote}
Definitely quick and trivial change. Just those tests are added as part of an
effort to raise the coverage on the critical path and the person who did that
after code coverage runs, etc is not around anymore. Thus when talking about
the critical path and we are pressed from other priorities now I would
personally be more conservative, but I am open to different feedback.
{quote}If I'm missing something and the dtests actually need the 3 DCs, I think
I would just first move the job to xlarge in midres so the job isn't broken,
and then we can think on splitting the job when we eliminate highres.
{quote}
Considering my previous comment this is probably the path I'd recommend to go
for at this particular moment and revisit later when time is not a concern
> Optimize test_network_topology_strategy and
> test_network_topology_strategy_each_quorum for large containers in CircleCI
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-18051
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18051
> Project: Cassandra
> Issue Type: Task
> Components: Test/dtest/python
> Reporter: Ekaterina Dimitrova
> Assignee: Ekaterina Dimitrova
> Priority: Normal
>
> As pointed in CASSANDRA-18001, there are two Python Large DTests that fail
> because of not enough resources with large containers. [~adelapena] looked
> into them and suggested that the tests themselves can be optimized for
> running on Large containers instead of using XLarge containers for only two
> tests from the whole suite.
> {quote}As for the two tests starting nine nodes each,
> {{test_network_topology_strategy}} and
> {{{}test_network_topology_strategy_each_quorum{}}}, I think they were added
> by CASSANDRA-10584 to test multi-DC consistency levels. I wonder if they
> actually need to start 3 data centers with 3 nodes each. Would two data
> centers with 3 nodes be enough to test multi-DC consistency levels with
> multiple data centers? 6 nodes should be doable on Circle with the current
> resources.
> {quote}
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