graceful master takeover: reduced some overhead; revert to writable on error #948
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shlomi-noach
changed the title
shlomi-noach
temporarily deployed
to
production/mysql_cluster=conductor
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Upon
graceful-master-takeover:Reduced some toil for identifying replication coordinates on designated master; instead of
stop slave; start slave until ...commands (which take time to execute) we just check the coordinates on the server.If promotion is aborted (e.g. failed datacenter constraints) then the original master is restored as writable.