PmaControl
When Switching to GTID Breaks Replication
Field note: switching to GTID does not purge source binlogs, but CHANGE MASTER resets the replica local relay logs.
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Articles tagged incident 3
Control the uncontrollable: anatomy of a DC crash
14 minutes to recover a full datacenter — timeline and lessons learned.
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ProxySQL meltdown → live reroute
Real anonymised case: how Alex rewrote routing rules in 30 seconds.
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