On Thu, 22 Feb 2007, Peter Hardy wrote: > I'm a little puzzled by this: > > total used free shared buffers cached > Mem: 5005084 4816352 188732 0 156644 3165540 > -/+ buffers/cache: 1494168 3510916 > Swap: 1052616 1052616 0 > > Is this sort of usage normal? Filling a gigabyte of swap space while > just under 1.5GB of memory is going towards buffers seems odd to me. And > vmstat reports no usage of this swap space over a 15 minute period. > > What sort of utilities are around to analyse swap space? I'd like to get > an idea of exactly what's using all of that memory.
If a background daemon loads a bunch of stuff into memory, but then never accesses those pages, it can get swapped out, in favor of buffering files that *are* being used. This does improve overall performance and is normally useful, though counterintuitive at first. --Jeremy -- /---------------------------------------------------------------------\ | Jeremy Portzer [EMAIL PROTECTED] trilug.org/~jeremy | | GPG Fingerprint: 712D 77C7 AB2D 2130 989F E135 6F9F F7BC CC1A 7B92 | \---------------------------------------------------------------------/ -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
