I have a redhat 7 machine with 256mb ram running Samba for file/print
serving and mail services for 30 windows clients. I have been observing the
memory usage on the machine and I am a bit confused.
Right now there are about 5 users logged in via Samba. Mail is down. Free
gives me:
total used free shared buffers cached
Mem: 257660 195060 62600 70256 137416 22812
-/+ buffers/cache: 34832 222828
Swap: 265032 0 265032
Total: 522692 195060 327632
The weird thing, is that later on today when no one is on the system, free
will give me almost the exact same numbers. Why are not the buffers and
cache getting flushed (right word?). I've been watching the memory usage
for the last few days and it stays about the same no matter how the system
is being used.
There is not much running on the system. As you can see all the memory is
tied up in buffers. Shouldn't these get cleaned up by update when they are
done being used? It makes me anxious thinking that user files are being
stored in system memory and never getting written to disk.
Thanks in advance for any replies.
-Alex Tabony - [EMAIL PROTECTED]
510/849-2911 Voice/TTY
510/849-2968 Fax
Not all those who wander are lost. -jrrt
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