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https://issues.apache.org/jira/browse/CASSANDRA-3550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13160957#comment-13160957
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Sylvain Lebresne commented on CASSANDRA-3550:
---------------------------------------------
What about a way to force marking down a node through JMX? Usually, node gets
down during the distributed tests only when we kill them. There is no point in
that case to wait even a few seconds for other to notice, and on the other side
I'm afraid that having a phi threshold too low could result in test flickering
in some case (but maybe I worry too much).
Of course, if we add a JMX call, we want to make sure we have a few tests that
actually test the 'real life' failure detector behavior.
> Relax phi threshold enforcement
> -------------------------------
>
> Key: CASSANDRA-3550
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3550
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Brandon Williams
> Assignee: Brandon Williams
> Priority: Trivial
> Fix For: 1.0.6
>
>
> Currently we clamp the phi threshold between 5 and 16. For distributed
> testing purposes, 5 slows things down. Instead let's allow values down to 1,
> but add a warning for anything less than 5.
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