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https://issues.apache.org/jira/browse/CASSANDRA-2026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12985845#action_12985845
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Peter Schuller commented on CASSANDRA-2026:
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Would it be simple to at least log something explicitly about detecting the
irregularity or is that fundamentally difficult to detect?
(If this does happen, it would be helpful to at least inform the admin about
what happened and with a ref. to what to perhaps do about it.)
> creating/dropping keyspaces does not work reliably
> --------------------------------------------------
>
> Key: CASSANDRA-2026
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2026
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7.0
> Environment: observed on EC2 and real HW
> Reporter: Matthew F. Dennis
> Fix For: 0.7.1
>
>
> Creating and/or dropping keyspaces on more than just a few nodes does not
> reliably work (observed multiple times on 5, 15 and 40 node clusters. never
> observed on single node clusters)
> Right after a cluster is booted, importing a schema from yaml works reliably.
> However, creating keyspaces (same for dropping keyspaces) via the CLI, either
> with -f or by pasting into the window usually does not work (though sometimes
> it does). In particular, only some nodes show the new changes while others
> do not. ;
> Often the changes are only reflected on the node where they were made, but
> not on any other node. Most of the time some small subset of the nodes get
> the changes, but the majority do not.
> Sometimes it takes several attempts to expose the problem. Once it happens
> the first time though, it continues to happen reliably on every change after
> the problem is first observed.
> In most cases all changes were executed from the same seed node. It also
> happens when executed from non-seed nodes though.
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