Date: Thu, 11 May 2006 11:07:41 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Timothy Beyer <beyert@cs.ucr.edu> Cc: freebsd-questions@freebsd.org Subject: Re: Swap Performance in 6.1? Message-ID: <20060511150741.GA69548@xor.obsecurity.org> In-Reply-To: <87k68tv4eo.wl%beyert@cs.ucr.edu> References: <87k68tv4eo.wl%beyert@cs.ucr.edu>
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[-- Attachment #1 --] On Wed, May 10, 2006 at 04:36:15PM -0700, Timothy Beyer wrote: > > I am curious if this problem has been resolved in 6.1: > > (it was previously on the FreeBSD 6.1 Open Issues page, but I don't > see it there any more) > http://www.tr.freebsd.org/releases/6.1R/todo.html > > swapping on 6.0 is slower than on 4.x > Not done > "Performance on swap handling is much slower than 4.x and this can make > a system essentially unusable when moderate paging activity is going on" > > Has this been resolved, (I did not see anything about it in the 6.1 > release notes, or the errata) or has it been deferred to a future > release? (The reason why I ask this is that programs like Firefox and > Xemacs use up all of my 1 GB of memory and I have noticed problems of > this nature in 6.0) The TODO item should have been worded better. There is anecdotal evidence that it is slower, but no-one has actually measured it definitively. Therefore it will be deferred until the future, after someone has actual numbers showing whether/how much slower it is, or not. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEY1M9Wry0BWjoQKURAjy8AJ9qiErLRfaidUUnW3KV8TU725lZGACg6Onr a+WlrRr6FSYiRFnJxnXleJc= =pmAG -----END PGP SIGNATURE-----
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