Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

Dear All, I will try to post DTool source code asap DTool is depend on our patented middleware, need one or two days to clarify  :-P Very Sorry. Bob, I have tried your pdf but did not get good latency numbers even after array tuning... cheers tharindu Bob Friesenhahn wrote: On Sat

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

Deal All, Thank you very much for the continuous support Sorry for the late reply ... I was trying to allocate 2540 & 2 x 4600 for try out your recommendation ... Finally, I could reserve 2540 disk array for testing purpose. so I am free to try out each and every points you have emphasi

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

trading system) ... cheers tharindu Richard Elling wrote: [EMAIL PROTECTED] wrote: On Wed, 23 Jul 2008, Tharindu Rukshan Bamunuarachchi wrote:   10,000 x 700 = 7MB per second .. We have this rate for whole day 10,000 orders per second is

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

Sun providing SSD arrays ?? - Original Message - From: [EMAIL PROTECTED] <[EMAIL PROTECTED]> To: Tharindu Rukshan Bamunuarachchi <[EMAIL PROTECTED]> Cc: zfs-discuss@opensolaris.org Sent: Wed Jul 23 11:22:51 2008 Subject: Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

We do not use raidz*. Virtually, no raid or stripe through OS. We have 4 disk RAID1 volumes.  RAID1 was created from CAM on 2540. 2540 does not have RAID 1+0 or 0+1. cheers tharindu Brandon High wrote: On Tue, Jul 22, 2008 at 10:35 PM, Tharindu Rukshan Bamunuarachchi <[EMAIL PROTEC

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

> txt_time/D mdb: failed to dereference symbol: unknown symbol name > txg_time/D mdb: failed to dereference symbol: unknown symbol name Am I doing something wrong Robert Milkowski wrote: Hello Tharindu, Wednesday, July 23, 2008, 6:35:33 AM, you wrote: TRB> Dear Mark/All, TRB> Our

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

10,000 x 700 = 7MB per second .. We have this rate for whole day 10,000 orders per second is minimum requirments of modern day stock exchanges ... Cache still help us for ~1 hours, but after that who will help us ... We are using 2540 for current testing ... I have tried same with

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

al, this is a bad idea, as there is somewhat of a > "fixed overhead" associated with each sync, so increasing the sync > frequency could result in increased IO. > > -Mark > > Tharindu Rukshan Bamunuarachchi wrote: >> Dear ZFS Gurus, >> >> We are deve