Michael Hines wrote:
I've written a remote-memory system for a thesis of mine. As a result, I'm able to setup a diskless client that swaps to remote memory instead of a remote disk. The specifics, reasons, and design of the system are a long story....
However - this system allows for much faster page-fault latencies (on the order of 10-20 times faster than using a disk for swap space). The problem is: I cannot get the swapper to page-out or page-in data any faster.
My end question is: how would one DRASTICALLY increase the rate at which the system does its paging in freebsd?
Everthing I find on the net says "don't mess with freebsd's VM system or you'll die and go to hell."
However, I do in fact need to drastically increase the paging bandwidth.
Anybody know how? Preferably during runtime?
Thanks a lot.
/*********************************/ Michael R. Hines Grad Student, Florida State Dept. Computer Science http://www.cs.fsu.edu/~mhines/ Jusqu'a ce que le futur vienne... /*********************************/
I think the first thing to do is determine the bottleneck you're fighting.
Maybe using several machines as swap-slaves would help? (the swapspace will be used interleaved)
Also it would help to explain a bit more what you have done so far. Have you written your own swapfs?
Kind regards,
Alex.
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