Robert,

> It's not that bad with CPU usage.
> For example with RAID-Z2 while doing scrub I get
> something like
> 800MB/s read from disks (550-600MB/s from zpool
> iostat perspective)
> and all four cores are mostly consumed - I get
> something like 10% idle
> on each cpu.
===

But in the end this would leave us which too few cpu cycles for the
database backend. Some of the queries are rather complex and fairly
cpu intensive (completly saturating a v440 box cpu-wise).
I'd say going x4600 plus attached storage will probably suit us more,
especially when the number of users on the warehouse does increase.

Nevertheless many thanks for your input - I really enjoy your blog.

Jochen
 
 
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