Date: Mon, 4 May 2009 10:07:41 +1000 From: nf <nf@wh3rd.net> To: Frederique Rijsdijk <frederique@isafeelin.org> Cc: freebsd-questions@freebsd.org Subject: Re: Poor ZFS performance Message-ID: <e2fbd2a10905031707w572f956s53af85cb126ddd6@mail.gmail.com> In-Reply-To: <49FC10DE.9000401@isafeelin.org> References: <e2fbd2a10905011639x475c1fbex92508493449bff51@mail.gmail.com> <49FC10DE.9000401@isafeelin.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, May 2, 2009 at 7:22 PM, Frederique Rijsdijk <frederique@isafeelin.org> wrote: > nf wrote: >> >> 733843456 bytes transferred in 61.124812 secs (12005656 bytes/sec) > > That is very low. I get about 60MB/sec in this way. Adding bs=1m it'll go up > to 240MB/sec even (raidz1 with 4*1TB). > > Could you show top -S ? I will, the next time I experience the issue. I had already rebooted the box, which immediately alleviated the issue. I can only presume, at this point, that it seems to have been related to the 2gb of allocated/active memory shown by top. I had no memory intensive apps running, merely an idle lighttpd, mysqld, and rtorrent (which only occupied about 90mb). Thanks, Andrew
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?e2fbd2a10905031707w572f956s53af85cb126ddd6>