Blake Eggleston created CASSANDRA-15335:
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Summary: Node can corrupt gossip state and become unreplaceable
Key: CASSANDRA-15335
URL: https://issues.apache.org/jira/browse/CASSANDRA-15335
Project: Cassandra
Issue Type: Bug
Reporter: Blake Eggleston
In {{StorageService#prepareToJoin}}, a starting node first sends out an
endpoint state without any tokens. Later, in
{{StorageService#finishJoiningRing}} it sends out an endpoint state _with_ it’s
tokens. If that node dies between these 2 events and cannot be restarted due to
some unrecoverable error, the ring’s gossip state will be missing tokens for
that node. This won’t cause any immediate data loss since TMD is populated from
system.peers, but it will prevent a replacement node from associating that
address with it’s tokens and replacing it. It could also cause data loss if
other nodes are added to the ring and don’t see an owned token where there
should be one.
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