Major Description
Both SharedNothingBackupActivation and ReplicationBackupActivation set session factory's cluster control reconnect attempts to 1, but the comment on the code for the former says:
//we should only try once, if its not there we should move on.
That doesn't look right, indeed, in case of failed cluster connection due to TTL, the additional attempt to reconnect slow down the whole failover process.
As per the comment, to try connect just once, reconnect attempts should be set to 0.
The weird thing is that the same session factory is created (along with the initial connection) with reconnectAttempts == 0 by ClusterController::connectToNodeInReplicatedCluster, before authorizing and starting the initial sync.
Need an investigation to find out why it seems to be set to 1 from the original correct value.
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