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From "John Sumsion (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5780) nodetool status and ring report incorrect/stale information after decommission
Date Wed, 23 Sep 2015 19:59:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14905133#comment-14905133
] 

John Sumsion commented on CASSANDRA-5780:
-----------------------------------------

I'm working on this on trunk, the patch will not be JDK1.8 specific to ease backporting, since
this is open for 1.2, 2.x, trunk.

> 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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