Re: Journaling and Commitment Control

Greg,
I believe that 5722-SS1 option 42 HA Journal Performance is one of those LPPs that is now "no charge" with those recent pricing changes announced by IBM -- you need to install certain PTFs to get that to work correctly.
Perhaps that might help with some of your performance issues ...?
Mark S. Waterbury On Wednesday, January 3, 2024 at 04:52:59 PM EST, Greg Wilburn <gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Good to know... especially since we already have performance issues (insert eyeroll here).

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Rob Berendt
Sent: Thursday, December 28, 2023 3:14 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Journaling and Commitment Control

I know - reply to an old thread.
Greg, we are using Infor's LX.  It does not come with journaling.  Years ago as part of our H/A project we had to turn journaling on.  Other than a performance hit no negative ramifications.  No program code changes, etc.
We tried throwing money at it by replacing all the spinning disk drives with SSD's and that didn't noticeably help.  Then we installed the HA journal performance option.  HUGE BENEFIT.  It's a must have.  Somewhere in the archives I have some before/after times.

On Tue, Dec 5, 2023 at 8:57 AM Greg Wilburn < gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Daniel/Charles - thank you very much!

I only have two files in my ERP that show up in the select below.
I will search the CL source code for FRCRATIO override.  But In 25
years, I've not seen that anywhere.

FWIW - it is amazing what you find in your current environment when
examining it this closely (during a project).

I'd also like to say just how invaluable the midrange lists are.

Thank you all again!
Greg

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Daniel Gross
Sent: Monday, December 4, 2023 3:36 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Journaling and Commitment Control

On Mon, Dec 4, 2023 at 12:21 PM Greg Wilburn <

gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

I don't know that any of our tables have FRCRATIO(1)... how can I tell?

On 04.12.2023 at 21:27 Charles Wilt <charles.wilt@xxxxxxxxx> wrote:

DSPFD...

I think it is even easier with SQL:

        select * from sysfiles where force_write_ratio = 1 ;

This should give you all files, that are configured with FRCRATIO(1).

Here a the docs:
https://www.ibm.com/docs/en/i/7.5?topic=services-sysfiles-view

HTH
Daniel
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