Date: Wed, 9 Nov 2011 16:58:11 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Kurt Touet <ktouet@gmail.com> Cc: freebsd-current@freebsd.org, Dan The Man <dan@sunsaturn.com> Subject: Re: samba+zfs Message-ID: <F8AEDB62-4C76-4D95-8CBA-6C58B54C1965@gsoft.com.au> In-Reply-To: <B4FEAF5B-52AC-40E5-90A3-7BD060BB7A73@gsoft.com.au> References: <alpine.BSF.2.00.1110272039500.50739@sunsaturn.com> <CAGH67wRZZx0hG9ug2k-5ohCOPJ9sZOU9iFVKg7hv9WM=R761GA@mail.gmail.com> <alpine.BSF.2.00.1111080259270.89703@sunsaturn.com> <alpine.BSF.2.00.1111080328010.89703@sunsaturn.com> <CALM%2B6aJkF=CFq8LA3FrSMYo8La-8txK4h2p4yZtdHshskBU6Vw@mail.gmail.com> <alpine.BSF.2.00.1111082015260.93923@sunsaturn.com> <CALM%2B6aJiM%2BNfikax9vNiYzBJqo3B8WLEXiZgrjUUQa9ngCQaKg@mail.gmail.com> <B4FEAF5B-52AC-40E5-90A3-7BD060BB7A73@gsoft.com.au>
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On 09/11/2011, at 16:56, Daniel O'Connor wrote: > On 09/11/2011, at 16:29, Kurt Touet wrote: >> Is anyone else seeing problems like this with samba/zfs ? Perhaps >> it's not exclusive to samba, either? >=20 > Yep, I see this too. >=20 > I can get 80-100Mbyte/sec reads out of a single disk but ZFS is (now) = very slow - it reads & writes and much more slowly (10-30MB/sec). >=20 > When the array was fresh it was nice and fast - it is now 68% full and = hasn't been much more full than that (I don't know but am pretty sure it = never reach past 75%). >=20 > The frustrating thing is trying to find some way of measuring what's = actually going on.. I haven't had much luck : Note that this is not restricted to Samba and while the server is not = completely idle it's not doing very much. dd's of large files (spooled backups going to tape) to /dev/null are as = slow as Samba. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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