rbraswell@connected.com wrote:
> My users are not complaining, but I don't understand how having 10mb of
> free memory is considered OK?
> [svn@svn svn]$ free -t -m -l
> total used free shared buffers cached
> Mem: 1133 1122 10 0 114 764
> Low: 877 869 8 0 0 0
> High: 255 253 2 0 0 0
> -/+ buffers/cache: 244 888
> Swap: 1992 13 1978
> Total: 3125 1136 1988
You don't only have 10MiB free. You actually have 888MiB free. You want to
be reading from the "-/+ buffers/cache:" line, which reports how much memory
can be made available to applications should they need it. Having heavy
buffer/cache use means that everything that is in a buffer or cache can be
accessed much more quickly than if it had to be read off of the disk.
Bottom line: free shows that your system is working exactly as it should be,
and that you have gobs of memory for applications to allocate before the
system will start hitting the swap file.
Philip Miller
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Received on Fri Jan 23 22:07:37 2004