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Yes actually...
http://www-03.ibm.com/systems/i/software/db2/journalperfutilities.html

Charles


On Thu, Jan 17, 2013 at 1:07 PM, <rob@xxxxxxxxx> wrote:

With the usual caveat that one should analyze performance and know where
your real bottlenecks are I too suggest that it should kick butt. We did
time trials of Infor month ends before/after. Smoking hot difference!
While it's true that, as supplied by Infor, the tables are not journalled
we turned it on for every table to support HA.

Can anyone name any performance indicator which would indicate that this
product would help? Nothing comes to mind. However, putting it on was
very effective for me.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: DrFranken <midrange@xxxxxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>,
Date: 01/17/2013 12:57 PM
Subject: Re: iSeries and SSD drives
Sent by: midrange-l-bounces@xxxxxxxxxxxx



If you are ONLY doing audit journaling I doubt it would help much if at
all.

Since you are journaling every table however, YES. This option could
potentially help you a lot! Worth a try I would say!

- Larry "DrFranken" Bolhuis

www.frankeni.com
www.iDevCloud.com
www.iInTheCloud.com

On 1/17/2013 12:43 PM, Mike Cunningham wrote:

We do not have this product. We do not do High Availability but we do
journal every table and have full audit journaling on. Would this still
help performance?

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [
mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of rob@xxxxxxxxx
Sent: Thursday, January 17, 2013 11:57 AM
To: Midrange Systems Technical Discussion
Subject: Re: iSeries and SSD drives

I've moved. I wasn't that impressed. But, it may be because I found a
much bigger payback. Are you journalling? If so, do you have Resource
ID Option Feature Description
5770SS1 42 5117 HA Journal Performance

Adding this made a phenomenally huge difference. Comes with usual 70
day key to try it out. Which, if you line up the install just right will
cover two month ends to test it.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: Mike Cunningham <mike.cunningham@xxxxxxx>
To: "'Midrange Systems Technical Discussion'"
<midrange-l@xxxxxxxxxxxx>,
Date: 01/17/2013 11:45 AM
Subject: iSeries and SSD drives
Sent by: midrange-l-bounces@xxxxxxxxxxxx



Has anyone moved to using SSD drives and if so have you seen any
significant performance improvement by doing so? We are not in need of
additional space (running about 50%) and disk utilization (% busy) is
not
extremely high (10-15%). Wondering if a plan to migrate to SSD would be
worthwhile.


Mike Cunningham
VP of Information Technology Services/CIO
Pennsylvania College of Technology


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