ProxySQL and Orchestrator are usually installed to achieve high availability when using MySQL replication. On a failover (or graceful takeover) scenario, Orchestrator will promote a slave, and ProxySQL will redirect the traffic. Depending on how your environment is configured, and how long the promotion takes, you could end up in a scenario where you […]
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MySQL Replication is very simple to set up. In this post I’ll discuss its importance and five handy tools for monitoring and managing MySQL replication.
What is MySQL Replication? It’s the process of copying the (real-time events) data from one master instance to another slave instance and maintaining the redundant consistent data in a different […]
During the Percona Live MySQL Conference & Expo 2013 the week before last, we quietly released Percona Toolkit 2.2.2 with a few bug fixes:
pt-archiver –bulk-insert may corrupt data
pt-heartbeat –utc –check always returns 0
pt-query-digest 2.2 prints unwanted debug info on tcpdump parsing errors
pt-query-digest 2.2 prints too many string values
Some tools don’t have –help or –version
Some […]
