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Posted to commits@cassandra.apache.org by "Marcus Eriksson (JIRA)" <ji...@apache.org> on 2015/05/05 08:57:07 UTC
[jira] [Commented] (CASSANDRA-9097) Repeated incremental nodetool
repair results in failed repairs due to running anticompaction
[ https://issues.apache.org/jira/browse/CASSANDRA-9097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14528037#comment-14528037 ]
Marcus Eriksson commented on CASSANDRA-9097:
--------------------------------------------
Looks good, just one small nit, the {{ANTICOMPACTION_RESPONSE_SUPPORTED = new SemanticVersion("2.1.5");}} should probably be 2.1.6, right? then compare with >=, since we don't actually support the response in 2.1.5
> Repeated incremental nodetool repair results in failed repairs due to running anticompaction
> --------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-9097
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9097
> Project: Cassandra
> Issue Type: Bug
> Reporter: Gustav Munkby
> Assignee: Yuki Morishita
> Priority: Minor
> Fix For: 2.1.x
>
> Attachments: 0001-Wait-for-anticompaction-to-finish.patch
>
>
> I'm trying to synchronize incremental repairs over multiple nodes in a Cassandra cluster, and it does not seem to easily achievable.
> In principle, the process iterates through the nodes of the cluster and performs `nodetool -h $NODE repair --incremental`, but that sometimes fails on subsequent nodes. The reason for failing seems to be that the repair returns as soon as the repair and the _local_ anticompaction has completed, but does not guarantee that remote anticompactions are complete. If I subsequently try to issue another repair command, they fail to start (and terminate with failure after about one minute). It usually isn't a problem, as the local anticompaction typically involves as much (or more) data as the remote ones, but sometimes not.
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