i noticed that my server acting slow, and also found that mysql is using a lot of memory - 423.1 MB free of 3.9 GB...
after i restarted mysql it was 3.8 GB free of 3.9 GB.
few minutes after, it was 2.5 GB free of 3.9 GB.
where can be a problem? it is centos, with mysql 5.1.
thank you in advance!