[OpenIndiana-discuss] Fileserver performance with log and cache devices?

[Geoff Flarity]

I'm not sure who nobody is exactly? Given everyone's feedback it
sounds like using filebench and paying close attention to synchronous
write performance is a good way to begin.


On Fri, Dec 2, 2011 at 1:44 PM, Gary Mills <gary_mills at fastmail.fm> wrote:
> On Thu, Dec 01, 2011 at 08:59:48AM -0600, Gary Mills wrote:
>> I'm in the process of setting up a fileserver running oi_151a.  How
>> can I determine the performance improvement from adding log and cache
>> devices?  I'm using filebench with the fileserver personality.  Is
>> that my best choice?  So far, I've tried filebench directly on the
>> server and also on an NFS client.  What statistics should I be
>> watching?
>
> So, can nobody answer my questions?
>
>> To begin, I'm using a single 1 TB SAS disk on the server, without log
>> or cache devices.  I intend to add an Intel 311 SSD for the log and
>> Intel 320 SSDs for the cache.  I'd like to ensure that these improve
>> NFS performance.  I'd like CIFS and zfs send performance to be
>> reasonable as well.
>
> --
> -Gary Mills-            -refurb-                -Winnipeg, Manitoba, Canada-
>
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