April 2018
Intermediate to advanced
508 pages
15h 22m
English
It's important to know how all these low-level tools work in order to use the more complicated ones, and, when your system is in trouble, there's no substitute for the really detailed, second-by-second information that tools like vmstat and top deliver. But most of the time, what people prefer is something more like what sar provides a basic summary every few minutes, but with graphs, and if you can integrate in the database statistics too, so that everything is visible on a unified timeline, then you're really in a good position to note trends in your server's use.
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