31 May
Do the operating systems kill your MySQL instances from time to time? Are some database servers swapping constantly? These are relatively common problems. Why? How to prevent them?
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22 May
XtraBackup is a great piece of software from Percona, which allows creating (nearly) lock-less MySQL/InnoDB backups. The tool has been around for quite some time and recently even received a major version bump. I have relied on it many times over the years. As it turns out, using it in some configurations may lead to heavy swapping or prevent MySQL from running queries.
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10 Apr
How to check if any MySQL memory has been swapped out? This post explains it.
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