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low memory

Posted: Wed Dec 20, 2006 3:27 am
by nightduke
Hi i have a server with 512mb of ram at it was availble just 50mb or 80 mb so we decided to increase to 1gb.
I have now more memory but 124mb free of memory.

Anyone can tell me how can i solve this?
i have qmail,bitdefender,qmailscanner,spamassassin,apache,mysql runing.

Thanks

Posted: Wed Dec 20, 2006 2:31 pm
by breun
There is nothing to solve here. If you're machine has free memory processes like apache and other services are going to reserve it so your server can handle more requests. What use is free unused memory to a computer?

It's time to add memory if your server starts to use swap actively. Until that time there is nothing to worry about.

Posted: Wed Dec 20, 2006 3:45 pm
by scott
Yeah linux doesnt track free memory like it would on windows. Youve got "free" memory which isnt doing anything, and cached memory, which is effectively the same thing as free memory, except its cached whatever it was you were doing before.