Paulo Motta created CASSANDRA-12344:
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Summary: Forward writes to replacement node with same address
during replace
Key: CASSANDRA-12344
URL: https://issues.apache.org/jira/browse/CASSANDRA-12344
Project: Cassandra
Issue Type: Improvement
Components: Coordination, Distributed Metadata
Reporter: Paulo Motta
On CASSANDRA-8523 it was added support to forwarding writes to a replacement
node via a new gossip state {{BOOTSTRAPPING_REPLACE}}.
Currently this is limited to replacement nodes with a different address of the
original node, because if a replacement node with the same address of a normal
endpoint joins gossip with a non-dead state, it will become alive in the
Failure Detector and reads will be forwarded to it before the node is ready to
serve reads.
This ticket is to add support to forwarding writes to replacement nodes with
the same IP address as the original node.
The initial idea is to allow marking a node as unavailable for reads on
{{TokenMetadata}}, what will allow the replacement node with the same IP join
gossip without having reads forwarded to it. This will be enabled by
CASSANDRA-11559.
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