Author:
erics, August 26th, 2019
Zero-Downtime Cluster Maintenance: Comparing the Procedures for Upgrades versus DB/OS Maintenance
Categories: Architecture, cctrl, Composite, Datasource, Downtime, Maintenance, Mastering Tungsten Clustering, Question, Shun, Zero-Downtime Tags: Command, HA, Master, mysql, QA, recover, Shell, Slave, Switch, Tungsten, welcome, Zero
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Author:
erics, July 25th, 2019
How to move the Relay role to another node in a Composite Tungsten Cluster
Categories: Architecture, cctrl, cls, Composite, Datasource, failover, Maintenance, Mastering Tungsten Clustering, Question Tags: Automatic, Command, HA, High Availability, Master, Move, mysql, QA, Relay, Replicator, Shell, Slave, Switch, Tungsten
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Author:
erics, July 9th, 2019
Where are the logs for a Tungsten Cluster and which are the proper log files to monitor if I do a master role switch to another node?
Categories: Cluster, Manager, Mastering Tungsten Clustering, Monitor Tags: Clustering, Log, Logs, mysql, Network, Switch, Tungsten
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Author:
erics, June 26th, 2019
Latency-sensitive applications running in Java sometimes experience unacceptable delays under heavy I/O load. This blog discusses why this problem occurs and what to do about it for applications running Tungsten Clustering for MySQL.
Categories: Cluster, JVM, Mastering Tungsten Clustering, Tune Tags: Clustering, Config, Configuration, Memory, mysql, Network, Switch, Tungsten, tuning
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Author:
erics, January 25th, 2011
Worked like a madman yesterday to be ready for launch at midnight. At 10pm, the launch was scrubbed and reset back 24 hours. Whew! This is a wild project. Hopefully we can get everything under control today and launch tonight. That would ease the pressure on everyone considerably. Crashed by 10:30, and been up since […]
Categories: Domestic God, Personal, Technology Tags: Firewall, gig, Launch, Morning, Project, sleep, Switch, upgrade, Wild
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