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From "Richard Low (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7307) New nodes mark dead nodes as up for 10 minutes
Date Tue, 27 May 2014 22:02:05 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Richard Low updated CASSANDRA-7307:
-----------------------------------

    Since Version: 1.2.15  (was: 1.2.16)

> New nodes mark dead nodes as up for 10 minutes
> ----------------------------------------------
>
>                 Key: CASSANDRA-7307
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7307
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Richard Low
>
> When doing a node replacement when other nodes are down we see the down nodes marked
as up for about 10 minutes. This means requests are routed to the dead nodes causing timeouts.
It also means replacing a node when multiple nodes from a replica set is extremely difficult
- the node usually tries to stream from a dead node and the replacement fails.
> This isn't limited to host replacement. I did a simple test:
> 1. Create a 2 node cluster
> 2. Kill node 2
> 3. Start a 3rd node with a unique token (I used auto_bootstrap=false but I don't think
this is significant)
> The 3rd node lists node 2 (127.0.0.2) as up for almost 10 minutes:
> {code}
> INFO [main] 2014-05-27 14:28:24,753 CassandraDaemon.java (line 119) Logging initialized
> INFO [GossipStage:1] 2014-05-27 14:28:31,492 Gossiper.java (line 843) Node /127.0.0.2
is now part of the cluster
> INFO [GossipStage:1] 2014-05-27 14:28:31,495 Gossiper.java (line 809) InetAddress /127.0.0.2
is now UP
> INFO [GossipTasks:1] 2014-05-27 14:37:44,526 Gossiper.java (line 823) InetAddress /127.0.0.2
is now DOWN
> {code}
> This repro is on 1.2.16.



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