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https://issues.apache.org/jira/browse/CASSANDRA-11687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398358#comment-15398358
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Paulo Motta commented on CASSANDRA-11687:
-----------------------------------------
+1, multiplexer results look good. Merged PR. Posting PR body here for
posterity:
{noformat}
Current test implementation didn't trigger rebuild concurrently even though we
are using thread in my local laptop. I think the same thing is happening in CI
since it is hitting assertion error that indicates it.
So I changed the code to run nodetool in background first, and then immediately
trigger second one in foreground, and the latter should fail at that point.
Rebuild completion from the former is guarded by watching log.
{noformat}
> dtest failure in rebuild_test.TestRebuild.simple_rebuild_test
> -------------------------------------------------------------
>
> Key: CASSANDRA-11687
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11687
> Project: Cassandra
> Issue Type: Bug
> Reporter: Russ Hatch
> Assignee: Yuki Morishita
> Labels: dtest
>
> single failure on most recent run (3.0 no-vnode)
> {noformat}
> concurrent rebuild should not be allowed, but one rebuild command should have
> succeeded.
> {noformat}
> http://cassci.datastax.com/job/cassandra-3.0_novnode_dtest/217/testReport/rebuild_test/TestRebuild/simple_rebuild_test
> Failed on CassCI build cassandra-3.0_novnode_dtest #217
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