Date: Wed, 14 Dec 2016 14:03:38 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Alexander Motin <mav@FreeBSD.org>, src-committers@FreeBSD.org, svn-src-all@FreeBSD.org, svn-src-head@FreeBSD.org Subject: Re: svn commit: r309714 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <cd831c65-ffb3-b84b-7e0e-b84ae32bace1@FreeBSD.org> In-Reply-To: <201612081558.uB8Fw4xA027508@repo.freebsd.org> References: <201612081558.uB8Fw4xA027508@repo.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 08/12/2016 17:58, Alexander Motin wrote: > This change switches zio_timestamp_compare() from comparing uninitialized > io_offset to really populated io_bookmark values. I haven't decided yet > what to do with timestampts, but on simple tests this change gives the > same peformance results by just making code to work as declared. I think that we should just enable precise timestamps. I just can't see them noticeably hurting performance given the amount of calculations, memory allocations, locking, etc, that ZFS already has. And there are layers above and below ZFS too. -- Andriy Gapon
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?cd831c65-ffb3-b84b-7e0e-b84ae32bace1>