Re: dump cache performance

2010-10-27 Thread Dag-Erling Smørgrav
Peter Jeremy writes: > Dag-Erling Smørgrav wrote: > > 9413 what? Puppies? > Ooops, sorry - KB/sec as reported in the dump summary. Thank you :) DES -- Dag-Erling Smørgrav - d...@des.no ___ freebsd-hackers@freebsd.org mailing list http://lists.freebs

Re: dump cache performance

2010-10-27 Thread Peter Jeremy
On 2010-Oct-27 20:17:06 +0200, Dag-Erling Smørgrav wrote: >Peter Jeremy writes: >> I've mostly convered to ZFS but still have UFS root (which is basically >> a full base install without /var but including /usr/src - 94k inodes >> and 1.7GB). I've run both the 8-stable ("stable") and patched ("jf

Re: dump cache performance

2010-10-27 Thread Dag-Erling Smørgrav
Peter Jeremy writes: > I've mostly convered to ZFS but still have UFS root (which is basically > a full base install without /var but including /usr/src - 94k inodes > and 1.7GB). I've run both the 8-stable ("stable") and patched ("jfd") dump > alternately 4 times with 50/250MB cache with the fo

Re: dump cache performance

2010-10-25 Thread Peter Jeremy
On 2010-Oct-24 18:05:05 +0200, Jean-Francois Dockes wrote: >It appears that modifying dump to use a shared cache in a very simple way >(move the control structures to the shared segment and perform simple locking) >yields substantial speed increases. Indeed. That's better than I expected. >Woul