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From "Radim Kolar (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3910) make phi_convict_threshold Float
Date Sat, 18 Feb 2012 06:27:59 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13210840#comment-13210840
] 

Radim Kolar commented on CASSANDRA-3910:
----------------------------------------

Situation is 2 node cluster with RF 2. TCP connection between nodes is still up but do not
delivers heartbeats fast enough because of network conditions. 

After FD decides that node should be marked down i suppose that TCP connection is closed and
attempted to open at next HB interval which will succeed because TCP related timing arguments
(windows size and such) will gets reseted to default values.
                
> make phi_convict_threshold Float
> --------------------------------
>
>                 Key: CASSANDRA-3910
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3910
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.0.7
>            Reporter: Radim Kolar
>
> I would like to have phi_convict_threshold floating point number instead of integer.
Value 8 is too low for me and value 9 is too high. With converting to floating point, it can
be better fine tuned.

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