Re: fedora OS high memory usage
- From: James Wilkinson <fedora@xxxxxxxxxxxxxxxxxx>
- Date: Tue, 27 Feb 2007 22:37:01 +0000
Ravi Malghan wrote:
Hi: I have installed Fedora 6 on a laptop with 756MB
RAM. With no application started when the machine
boots up, the top is saying that, 601308K is being
used.
Mem: 774356k total, 601308k used, 173048k free,
19348k buffers
Is this normal? or is this not really what it means. I
read some postings that the memory usage shown here is
what is allocated for the processes and not how much
is being used.
It's normal -- you need to look at the "cached" figure as well, which is
memory used to keep a copy of data on the hard drive that the system has
accessed recently. If the system needs to read it again, it can get it
out of cache, which is much faster than reading it from disk.
Memory used for caching is being used productively, while free memory
isn't, so the system tries to use nearly all memory for caching if it
hasn't got a better use for it.
James.
--
E-mail: james@ | Words fail me. Thank goodness I can make gestures.
aprilcottage.co.uk | -- Mark Hughes
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- From: Ravi Malghan
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