I saw a post on profiling memory usage today and this reminds me of several discussions I have had with different people.
Why would you want to profile the memory usage? Usually to see where memory is allocated and for what purposes, and usually you only care when memory usage is higher than expected. That is a DBA normally wants to use all available memory on a server for mysqld, whatever that size may be.
Configuration parameters may be inappropriate and need adjusting, so having a way to …[Read more...]