Author:
erics, August 7th, 2019
The replicator is a critical piece of the Tungsten Clustering solution for MySQL / MariaDB, as well as its own stand-alone data replication product. Automatic recovery enables the replicator to go back online in the event of a transient failure. In this blog, we discuss how to enable Autorecovery.
Categories: Auto Recover, Auto recovery, Mastering Tungsten Clustering, Mastering Tungsten Replicator, Offline, Tune Tags: Configuration, mysql, Network, Online, Recovery, Replicator, Tungsten, tuning
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Author:
erics, May 24th, 2019
The Question Recently, a customer asked us: What is the meaning of this error message found in trepsvc.log? 2019/05/14 01:48:04.973 | mysql02.prod.example.com | [east – binlog-to-q-0] INFO pipeline.SingleThreadStageTask Performing rollback of possible partial transaction: seqno=(unavailable) Simple Overview The Skinny This message is an indication that we are dropping any uncommitted or incomplete data read from […]
Categories: Architecture, Mastering Tungsten Replicator, Multimaster, Multisite Tags: HA, High Availability, monitoring, mysql, nagios, NRPE
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Author:
erics, May 21st, 2019
The Question Recently, a customer asked us: Why would Tungsten Replicator be slow to apply to MySQL? The Answer Performance Tuning 101 When you run trepctl status and see: appliedLatency : 7332.394 like this on a slave, it is almost always due to the inability for the target database to keep up with the applier. […]
Categories: Architecture, Mastering Tungsten Replicator, Multimaster, Multisite Tags: HA, High Availability, monitoring, mysql, nagios, NRPE
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