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From "Jason Brown (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6338) Make gossip tolerate slow Gossip tasks
Date Wed, 13 Nov 2013 14:09:21 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821364#comment-13821364
] 

Jason Brown commented on CASSANDRA-6338:
----------------------------------------

bq. If overlogging exposes that we have a problem with the latter ....

Totally agreed, and that's the reason for this ticket (to point problems) :)


> Make gossip tolerate slow Gossip tasks
> --------------------------------------
>
>                 Key: CASSANDRA-6338
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6338
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>              Labels: gossip
>             Fix For: 2.0.3
>
>         Attachments: 6338.txt
>
>
> Currently if a single gossip task bogs down the gossip Stage, Gossip will mark everyone
down because it hasn't seen updates from them (since they are all queued behind the slow one).
> This means that full GCs can cause gossip "flapping" as well as any actually problematic
tasks such as recomputing pending ranges.



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