[jira] Updated: (CASSANDRA-1053) Expose setting of phi in the FailureDetector

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-1053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-1053:
--------------------------------------

        Fix Version/s: 0.6.2
    Affects Version/s:     (was: 0.6)

> Expose setting of phi in the FailureDetector
> --------------------------------------------
>
>                 Key: CASSANDRA-1053
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1053
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>            Priority: Trivial
>             Fix For: 0.6.2
>
>         Attachments: 1053-trunk.txt, 1053.txt
>
>
> I've seen some users, always on cloud platforms, say that they have problems with hosts flapping in the FD.  GC is not the cause.  I know of at least one production deployment where they are already hacking phi to 10 to get around the flapping problems.
> This is a dangerous thing to expose, however, since giving meaning to the difference of 8 and 10 here is hard to quantify to someone unfamiliar with the inner workings.  Perhaps we can allow setting it in the config, but not specify a default and leave it commented out with a big fat warning.

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