[SOLVED] Systems Ugin ALOT of Memory

[jairom70]

Just chked my memory usage and this is wat i get .. any suggestions?


Mem: 3370860k total, 3067252k used, 303608k free, 116868k buffers
Swap: 9871900k total, 4964k used, 9866936k free, 2357196k cached

[sdennie]

That looks like normal memory usage to me. You are only using 650M of RAM total. The 2.35G of cache is technically being used but, it gets out of the way if your applications actually need it. A better way to check free RAM is to use:



free -m


The second line (-/+ buffers/cache) is the interesting one.

[jairom70]

this is wats confisinh me i usd free-m and i get

total used free shared buffers cached
Mem: 3291 2997 294 0 115 2313
-/+ buffers/cache: 569 2722
Swap: 9640 4 9635



so thats say i only have 294 free ??

[amauk]

don't see anything particular wrong there

the memory shown in "buffers" is free memory (so you can add that to the "free" value)
It's just memory currently being used to store commonly accessed disk blocks (cache, in other words)

[oldos2er]

Free memory is unused memory.

[sdennie]

this is wats confisinh me i usd free-m and i get

total used free shared buffers cached
Mem: 3291 2997 294 0 115 2313
-/+ buffers/cache: 569 2722
Swap: 9640 4 9635



so thats say i only have 294 free ??

No, that says you have 2.7GB free. As I said, it's the second line, "-/+ buffers/cache" that is the interesting one.

[jairom70]

OOooo i see. so the top line where is says Used 2997 why does it say that?

[sdennie]

That's counting the cache. While technically that is used memory, it's not used directly by applications and the system frees it up if your applications need it. It's memory that's caching disk reads. An example of this would be to reboot your machine and then start some slow starting application like Open Office. Now close Open Office and start it again. The second time you start it, it should start much faster. That's the cache.