I have a ROCKS cluster running RedHat 2.6.18-53.1.14.e15 on the kernel.
From time to time the memory and swap space on the system is almost
completely used and the system hesitates. The users logged onto the
system are not taking up the memory.
How do I find which process is using the memory?
If the memory is no longer being used by a process, how do I "free" it
up.
Same question with the swap space.
free
total used free shared buffers
cached
Mem: 2054132 2026008 28124 0 1816
1348832 -/+ buffers/cache: 675360 1378772
Swap: 1020116 983328 36788
Thanks.
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