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I have a dedicated virtual server and I seem to be having memory issues (or so I think)
Here is the problem, my server has slowed down within the last 1 week. The only change that I made was to enable the use of sessions (auto-start) and now it seems like everything is at a crawl. This is the information that I get when I run the top command (see below). I am not sure why i have 99.9% for id, is this normal? I have also rebooted the server a couple of times. Does the information below look normal? Thanks
Still and all; no CPU, no I/O wait, truckloads of cache/buffer in use .... nothing obviously wrong.
What does sar (or even vmstat) show ???.
If it were me and I was concerned enough, I'd try forcing all the apps back into real. Force drop all the caches (recent 2.6 kernel needed), then swapoff each extent in turn. It'll fail if storage can't be acquired.
Then add the swap back, and watch sar for a few days.