Date: Tue, 19 Mar 2013 14:05:41 -0000 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Davide D'Amico" <davide.damico@contactlab.com> Cc: freebsd-fs@freebsd.org Subject: Re: FreBSD 9.1 and ZFS v28 performances Message-ID: <21EBCFAD4455494EA3893BBBA6F2A7A5@multiplay.co.uk> References: <514729BD.2000608@contactlab.com> <810E5C08C2D149DBAC94E30678234995@multiplay.co.uk> <51473D1D.3050306@contactlab.com> <1DD6360145924BE0ABF2D0979287F5F4@multiplay.co.uk> <51474F2F.5040003@contactlab.com> <E106A7DB08744581A08C610BD8A86560@multiplay.co.uk> <51475267.1050204@contactlab.com> <514757DD.9030705@contactlab.com> <42B9D942BA134E16AFDDB564858CA007@multiplay.co.uk> <1bfdea0efb95a7e06554dadf703d58e7@sys.tomatointeractive.it> <897DB64CEBAF4F04AE9C76B3F686E497@multiplay.co.uk> <13317bbd289c4c828f134e2c2592a2d7@sys.tomatointeractive.it> <A3E2B710EF8342CCAF963106E3E747FB@multiplay.co.uk> <01576f39e05f96ab3b3c822531e0c286@sys.tomatointeractive.it> <0D88348E154D43E58597FF40BA41D22F@multiplay.co.uk> <51482E67.8060900@contactlab.com> <394EAD0E59004D1B8D2010F94DDB7C84@multiplay.co.uk> <51482FB5.2000305@contactlab.com>
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----- Original Message -----
From: "Davide D'Amico"
> i don't know if you have installed sysbench 0.5.0 somewhere in you
> server, but we could test using *standard* oltp tests (the dataset I'm
> using is strictly private) included in sysbench package.
>
> Is it possible, for you?
>
> I'm using mysql-5.6.10 enterprise (but I think the one you find in the
> ports tree it's a good choice, too).
I've installed sysbench latest version from ports which is 0.4.12_1.
Having run the standard oltp both read only and read + write it doesn't
seem like a very good benchmark for disk as it seems like it does
very little disk access.
== ZFS ==
Test execution summary:
total time: 248.5637s
total number of events: 1000468
total time taken by event execution: 3968.4764
== UFS ==
Test execution summary:
total time: 220.7406s
total number of events: 1000588
total time taken by event execution: 3523.5829
I noticed that UFS's support for TRIM is very poor compared to
ZFS's with it queuing all TRIMs till after the test completed as well
as performing many more BIO_DELETE requests causing
significant system overhead and disk saturation after completion.
Regards
Steve
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