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https://issues.apache.org/jira/browse/CASSANDRA-15580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17205502#comment-17205502
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Josh McKenzie commented on CASSANDRA-15580:
-------------------------------------------
{quote}(full range, sub range, incremental)
4.0 only + mixed-version (3.11.x + 4.0)
{quote}
My bid is that we test (and automate and integrate in ci) the combination of
the 6 states above where not yet covered. I'm pretty sure reaper validation is
covered by CASSANDRA-15584. I'd bid for building these tests in
[fallout|[https://github.com/datastax/fallout]] specifically to get nemeses and
adverse cluster states in play (packet loss, node down, etc) during the repair
process as well to ensure the repair process works as expected. Fallout's
currently ASLv2 though not contributed to the project and ASF governance (much
like ccm) though that's more because of a lack of conversation / appetite to
take it on than anything. Happy to donate it to the project if other devs were
interested.
If we don't go the fallout route, we'd need to chew on another longer running
test automation framework running real clusters w/gen + validation. Either way,
I think either time-based (1 hour gen + validation) or size-based (xGB
workload) would be appropriate to make sure we have confidence in the extent to
which we exercise the work.
What do you think [~bdeggleston]?
> 4.0 quality testing: Repair
> ---------------------------
>
> Key: CASSANDRA-15580
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15580
> Project: Cassandra
> Issue Type: Task
> Components: Test/dtest/python
> Reporter: Josh McKenzie
> Priority: Normal
> Fix For: 4.0-beta
>
>
> Reference [doc from
> NGCC|https://docs.google.com/document/d/1uhUOp7wpE9ZXNDgxoCZHejHt5SO4Qw1dArZqqsJccyQ/edit#]
> for context.
> *Shepherd: Blake Eggleston*
> We aim for 4.0 to have the first fully functioning incremental repair
> solution (CASSANDRA-9143)! Furthermore we aim to verify that all types of
> repair: (full range, sub range, incremental) function as expected as well as
> ensuring community tools such as Reaper work. CASSANDRA-3200 adds an
> experimental option to reduce the amount of data streamed during repair, we
> should write more tests and see how it works with big nodes.
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