Tracking long running transactions in MySQL
Sometimes I want to trace transactions that have taken long time to execute. If a transaction is holding row locks for 30 seconds, all other clients requesting locks for the same rows will be blocked for up to 30 seconds (or will get Lock Wait Timeout errors if you set innodb_lock_wait_timeout lower). This is serious. The important step to solve such issues is identifying what kinds of queries are
Announcing MySQL-MHA: "MySQL Master High Availability manager and tools"
I have published "MySQL MHA" that fully automates MySQL master failover. You can also get commercial support from SkySQL. Let's try MHA today! Today I'm happy to announce that I have released MySQL-MHA: MySQL Master High Availability manager and tools as an open source software (GPL v2 license). The below is a part of documentation of MHA. I'm glad if you are interested in MHA. A primary objective
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