Hello Jochen, Wednesday, December 13, 2006, 10:35:22 PM, you wrote:
JMK> 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. JMK> === JMK> But in the end this would leave us which too few cpu cycles for the JMK> database backend. Some of the queries are rather complex and fairly JMK> cpu intensive (completly saturating a v440 box cpu-wise). JMK> I'd say going x4600 plus attached storage will probably suit us more, JMK> especially when the number of users on the warehouse does increase. Well, this is with RAID-Z2 and it's expected to consume more CPU. If you go with RAID-10 CPU usage should be much lower - however I don't remember exact numbers (I was interested on x4500 mostly in file serving). JMK> Nevertheless many thanks for your input - I really enjoy your blog. Nice to hear you like it. -- Best regards, Robert mailto:[EMAIL PROTECTED] http://milek.blogspot.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
