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From "Joel Knighton (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-10231) Null status entries on nodes that crash during decommission of a different node
Date Thu, 01 Oct 2015 03:54:04 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939281#comment-14939281
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Joel Knighton edited comment on CASSANDRA-10231 at 10/1/15 3:53 AM:
--------------------------------------------------------------------

I can try to reproduce on 2.1 or 2.2 with Jepsen, but there would be a delay to write the
test. The current test that (used to) reproduce uses materialized views, so it is 3.0 and
up only.


was (Author: jkni):
I can try to reproduce on 2.1 or 2.2 with Jepsen, but there would be a delay to write the
test. The current test that (used to) reproduce uses materialized views, so is 3.0 and up
only.

> Null status entries on nodes that crash during decommission of a different node
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-10231
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10231
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Joel Knighton
>            Assignee: Stefania
>             Fix For: 3.0.0 rc2
>
>         Attachments: n1.log, n2.log, n3.log, n4.log, n5.log
>
>
> This issue is reproducible through a Jepsen test of materialized views that crashes and
decommissions nodes throughout the test.
> In a 5 node cluster, if a node crashes at a certain point (unknown) during the decommission
of a different node, it may start with a null entry for the decommissioned node like so:
> DN 10.0.0.5 ? 256 ? null rack1
> This entry does not get updated/cleared by gossip. This entry is removed upon a restart
of the affected node.
> This issue is further detailed in ticket [10068|https://issues.apache.org/jira/browse/CASSANDRA-10068].



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