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From "Brandon Williams (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-9183) Failure detector should detect and ignore local pauses
Date Wed, 15 Apr 2015 21:53:59 GMT


Brandon Williams updated CASSANDRA-9183:
    Reviewer: Richard Low

> Failure detector should detect and ignore local pauses
> ------------------------------------------------------
>                 Key: CASSANDRA-9183
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>             Fix For: 3.0
>         Attachments: 9183-v2.txt, 9183.txt
> A local node can be paused for many reasons such as GC, and if the pause is long enough
when it recovers it will think all the other nodes are dead until it gossips, causing UAE
to be thrown to clients trying to use it as a coordinator.  Instead, the FD can track the
current time, and if the gap there becomes too large, skip marking the nodes down (reset the
FD data perhaps)

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