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https://issues.apache.org/jira/browse/CASSANDRA-5780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14905182#comment-14905182
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John Sumsion commented on CASSANDRA-5780:
-----------------------------------------
Here is a branch on trunk:
- https://github.com/jdsumsion/cassandra/tree/5780-decomission-truncate-system
> nodetool status and ring report incorrect/stale information after decommission
> ------------------------------------------------------------------------------
>
> Key: CASSANDRA-5780
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5780
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Reporter: Peter Haggerty
> Priority: Trivial
> Labels: lhf, ponies, qa-resolved
> Fix For: 2.1.x
>
>
> Cassandra 1.2.6 ring of 12 instances, each with 256 tokens.
> Decommission 3 of the 12 nodes, one after another resulting a 9 instance ring.
> The 9 instances of cassandra that are in the ring all correctly report
> nodetool status information for the ring and have the same data.
> After the first node is decommissioned:
> "nodetool status" on "decommissioned-1st" reports 11 nodes
> After the second node is decommissioned:
> "nodetool status" on "decommissioned-1st" reports 11 nodes
> "nodetool status" on "decommissioned-2nd" reports 10 nodes
> After the second node is decommissioned:
> "nodetool status" on "decommissioned-1st" reports 11 nodes
> "nodetool status" on "decommissioned-2nd" reports 10 nodes
> "nodetool status" on "decommissioned-3rd" reports 9 nodes
> The storage load information is similarly stale on the various decommissioned
> nodes. The nodetool status and ring commands continue to return information
> as if they were part of a cluster and they appear to return the last
> information that they saw.
> In contrast the nodetool info command fails with an exception, which isn't
> ideal but at least indicates that there was a failure rather than returning
> stale information.
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