Date: Wed, 03 Sep 2014 16:22:58 -0400 From: Nikolai Lifanov <lifanov@mail.lifanov.com> To: John Baldwin <jhb@freebsd.org> Cc: src-committers@freebsd.org, Peter Wemm <peter@wemm.org>, Alan Cox <alc@rice.edu>, svn-src-all@freebsd.org, Dmitry Morozovsky <marck@rinet.ru>, "Matthew D. Fuller" <fullermd@over-yonder.net>, Steven Hartland <killing@multiplay.co.uk>, svn-src-head@freebsd.org Subject: Re: svn commit: r270759 - in head/sys: cddl/compat/opensolaris/kern cddl/compat/opensolaris/sys cddl/contrib/opensolaris/uts/common/fs/zfs vm Message-ID: <540778A2.3080809@mail.lifanov.com> In-Reply-To: <2230377.GgKARkJyaG@ralph.baldwin.cx> References: <201408281950.s7SJo90I047213@svn.freebsd.org> <169C94ED141B435BACEADB04A4824717@multiplay.co.uk> <54072E20.10802@mail.lifanov.com> <2230377.GgKARkJyaG@ralph.baldwin.cx>
next in thread | previous in thread | raw e-mail | index | archive | help
On 09/03/14 15:22, John Baldwin wrote: > On Wednesday, September 03, 2014 11:05:04 AM Nikolai Lifanov wrote: >> On 09/03/14 04:09, Steven Hartland wrote: >>> I'm looking to MFC this change so wanted to check if >>> anyone had an final feedback / objections? >>> >>> I know we currently have Alan's feedback on changing >>> the #ifdef __i386__ to #ifndef UMA_MD_SMALL_ALLOC >>> which sounds sensible but waiting Peter to comment on. >>> >>> Regards >>> Steve >> >> I have no technical input, but this change improves ARC usefulness for >> me quite a bit. I would like to see the improvement in 10-STABLE. > > Can you verify that the current 10-STABLE (as of today) with all the various > pagedaemon fixes still has ARC issues for your workload? > It doesn't have any issues, but I noticed the improvement on CURRENT. I observed that just after this change, my package builder is much more likely to retain MFU and not evict useful things from there (the port tree) after large builds. However, I run a lot more 10.0-RELEASE than CURRENT and I would like to see this improvement release-bound. I would be happy to test this on 10-STABLE if you think that this is relevant. - Nikolai Lifanov
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?540778A2.3080809>