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linux - Missing Ram, memory leak?



I'm running OpenSuse 11 on an HP proliant server with 8G of RAM, occasionally the gnome desktop [whatever is current version]




After a while it will just run out of RAM, there will be like 6 or 700k left available and all the running services don't account for what's missing. If I shut down services in order of physical memory used I still don't find that missing ram till I reboot....



It's a development server - so I can knock it around a bit... but it's kinda irritating having to reboot it periodically...



Anyway - here are the main [important] services in order of :



coldfusion 9 [java]
Mysql 5
Apache 2




Postfix
samba
fetchmail



Gome - occasionally



I was wondering if there were any known issues with suse or any of the services that can cause sucha severe memory issue - generally all those services running should not add up to more than 2G.



Here's what I get after a reboot:




suse:~ # free
             total       used       free     shared    buffers     cached
Mem:       8192796    1661360    6531436          0      45444    1164404
-/+ buffers/cache:     451512    7741284
Swap:      8384508          0    8384508


the memory problems seem to start only after running Gnome.....



-thanks

-sean


Answer



Do you have actual memory problems and start hitting the swap, or is just the free memory as reported by free that get's low? In the second case, please read http://www.linuxatemyram.com/


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