On Monday 13 October 2003 19:34, Vivek Khera wrote: > >>>>> "SC" == Sean Chittenden <[EMAIL PROTECTED]> writes: > >> > >> echo "effective_cache_size = $((`sysctl -n vfs.hibufspace` / 8192))" > >> > >> I've used it for my dedicated servers. Is this calculation correct? > > SC> Yes, or it's real close at least. vfs.hibufspace is the amount of > SC> kernel space that's used for caching IO operations (minus the > > I'm just curious if anyone has a tip to increase the amount of memory > FreeBSD will use for the cache? It appears to me that even on my 2Gb > box, lots of memory is 'free' that could be used for the cache > (bumping up shared buffers is another option...) yet the disk is being > highly utilized according to systat.
Is this of any help?..reverse video sucks though.. especially spec'ed person like me.. http://unix.derkeiler.com/Mailing-Lists/FreeBSD/performance/2003-07/0073.html Shridhar ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
