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

[Steven Hartland]

----- Original Message ----- 
From: "Jeremy Chadwick" <freebsd at jdc.parodius.com>

> Please be aware the OP is using RRDTool to store the sample data, which
> means the values you see in the graphs are going to be averaged unless
> he's taken the time to use MIN/MAX/LAST on both the CF and the DS (there
> is a difference):

I have both rrd and text logs, gonna be lazy and using the text + excel to
graph I think ;-)

>> > Now monitoring these each minute to an rrd and text file and updated
>> > 8-STABLE ...
> 
> What I'm trying to say: averaged data may not show you what you're
> looking for, depending on what that is.  :-)

NP using the text log will solve this.

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