zfs very poor performance compared to ufs due to lack of cache?

Steven Hartland killing at multiplay.co.uk
Wed Sep 15 13:43:37 UTC 2010


----- Original Message ----- 
From: "Andriy Gapon" <avg at freebsd.org>
To: "Steven Hartland" <killing at multiplay.co.uk>
Cc: <freebsd-fs at freebsd.org>; "Pawel Jakub Dawidek" <pjd at freebsd.org>; "jhell" <jhell at DataIX.net>
Sent: Wednesday, September 15, 2010 12:59 PM
Subject: Re: zfs very poor performance compared to ufs due to lack of cache?


> on 15/09/2010 14:56 Steven Hartland said the following:
>> Source data is in the files: sendfile-on-arcstats-idle.txt and
>> sendfile-off-arcstats-idle.txt
> 
> Miscommunication :(
> I thought 'source data' was data on your source code, not source data for the
> graphs.  Sorry about that.

Hehe no problem would you like me to tar up our current zfs source?

    Regards
    Steve

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