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f62a6f234b
Backported: CASSANDRA-8336 and CASSANDRA-9871
84b2846 remove redundant state
b2c62bb Add shutdown gossip state to prevent timeouts during rolling restarts
8f9ca07 Cannot replace token does not exist - DN node removed as Fat Client
Fixes:
When X is shutdown, X sends SHUTDOWN message to both Y and Z, but for
some reason, only Y receives the message and Z does not receive the
message. If Z has a higher gossip version for X than Y has for
X, Z will initiate a gossip with Y and Y will mark X alive again.
X ------> Y
\ /
\ /
Z