venky created CASSANDRA-15374:
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Summary: New cassandra node not able to see all the nodes in other
DCs
Key: CASSANDRA-15374
URL: https://issues.apache.org/jira/browse/CASSANDRA-15374
Project: Cassandra
Issue Type: Bug
Reporter: venky
We were adding a new DC to existing cluster. We first started one seed node and
we observed that this node after coming up does not show all the other nodes in
other DCs. We checked the connectivity between this node and nodes in other DC
which are not appearing in the nodetool status. It is all fine. On restarting
the missing nodes start appearing. i.e to start with if we had 175 nodes in
nodetool status as against the expected 190 nodes, on first restart it becomes
180 nodes, on second restart it becomes 183, on third restart it becomes 185
and so on before we get all 190 nodes in nodetool status. This clearly
indicates there is no network issue, as we get nodes one by one after restart.
We are able to reproduce this issue multiple times by adding new nodes in a new
DC. It looks like a bug to us and hence reporting here. We observed this in
3.11.0 and 3.11.4.
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