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https://issues.apache.org/jira/browse/CASSANDRA-16411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17282116#comment-17282116
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Ekaterina Dimitrova edited comment on CASSANDRA-16411 at 2/9/21, 11:45 PM:
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Rebased and squashed:
[CCM |https://github.com/ekaterinadimitrova2/ccm/tree/CASSANDRA-16296-CcmBug] |
[DTests
|https://github.com/ekaterinadimitrova2/cassandra-dtest/tree/CASSANDRA-16296-CcmBug]
Jenkins run in progress:
[2.1|https://ci-cassandra.apache.org/view/all/job/Cassandra-devbranch-dtest/381/]
[2.2|https://ci-cassandra.apache.org/view/all/job/Cassandra-devbranch-dtest/382/]
[3.0|https://ci-cassandra.apache.org/view/all/job/Cassandra-devbranch-dtest/383/]
[3.11|https://ci-cassandra.apache.org/view/all/job/Cassandra-devbranch-dtest/384/]
[trunk|https://ci-cassandra.apache.org/view/all/job/Cassandra-devbranch-dtest/380/]
was (Author: e.dimitrova):
Rebased and squashed:
[CCM |https://github.com/ekaterinadimitrova2/ccm/tree/CASSANDRA-16296-CcmBug] |
[DTests
|https://github.com/ekaterinadimitrova2/cassandra-dtest/tree/CASSANDRA-16296-CcmBug]
Jenkins run in progress
[here|https://ci-cassandra.apache.org/view/all/job/Cassandra-devbranch-dtest/380/]
> Fix topology corruption on joining nodes without DC in dtests
> -------------------------------------------------------------
>
> Key: CASSANDRA-16411
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16411
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest/python
> Reporter: Berenguer Blasi
> Assignee: Berenguer Blasi
> Priority: Normal
> Fix For: 4.0-beta
>
>
> Dtests with multi-dc setups don't update the topology properties file of a
> newly joining node without dc post cluster creation.
> The new node will join dc1 but it's snitch will report the default snitch
> config as it doesn't get updated == dc1 == all nodes are in dc1 == there are
> no other dcs. That leads to bootstrap, token, startup,... problems. Let's see
> an example:
> - populate [1, 1, 1]
> - Node1 sees: dc1/ip1, dc2/ip2 and dc3/ip3
> - Node2 sees: dc1/ip1, dc2/ip2 and dc3/ip3
> - Node3 sees: dc1/ip1, dc2/ip2 and dc3/ip3
> - Add a new Node4
> - Node4 sees: dc1/ip1+ip2+ip3+ip4
> All multi-dc dtests that add a node after cluster creation suffer this
> problem.
> Solution: When a new node is added without specifying a dc in dtests check
> for existing dcs. If there are any force to specify one to update the
> topology file.
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