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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8138) replace_address cannot find node to be replaced node after seed node restart
Date Tue, 21 Oct 2014 14:56:33 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14178477#comment-14178477
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Brandon Williams commented on CASSANDRA-8138:
---------------------------------------------

Can you explain why the dead node wasn't loaded from the system table?

> replace_address cannot find node to be replaced node after seed node restart
> ----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-8138
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8138
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Oleg Anastasyev
>         Attachments: ReplaceAfterSeedRestart.txt
>
>
> If a node failed and a cluster was restarted (which is common case on massive outages),
replace_address fails with
> {code}
> Caused by: java.lang.RuntimeException: Cannot replace_address /172.19.56.97 because it
doesn't exist in gossip
> jvm 1    | 	at org.apache.cassandra.service.StorageService.prepareReplacementInfo(StorageService.java:472)
> jvm 1    | 	at org.apache.cassandra.service.StorageService.joinTokenRing(StorageService.java:724)
> jvm 1    | 	at org.apache.cassandra.service.StorageService.initServer(StorageService.java:686)
> jvm 1    | 	at org.apache.cassandra.service.StorageService.initServer(StorageService.java:562)
> {code}
> Although neccessary information is saved in system tables on seed nodes, it is not loaded
to gossip on seed node, so a replacement node cannot get this info.
> Attached patch loads all information from system tables to gossip with generation 0 and
fixes some bugs around this info on shadow gossip round.



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