Workflow Event Trace Leave On or Turn Off

[Morris, Eddie]

Hi Rick,

On most occasions the reason was pure volume...so I guess extremely large installations where the trace was left on (Accidently on some occasions) and the system just ground to a halt. You would see all dialog processes consumed by the trace functions and tables.

Regards,
Eddie

From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of Rick Bakker
Sent: 06 March 2014 22:49
To: SAP Workflow Users' Group
Subject: Re: Workflow Event Trace Leave On or Turn Off

Hi Eddie,

Thanks for sharing your (formidable) experience. Could you tell us more about the situations where this brought the system down?
Luckily I haven't encountered such a problem yet but I sure would like to know about it.

I have found the event trace to be extremely useful in many cases. In the most trivial case it's good for convincing a user that yes, they did indeed press the Cancel button.

regards
Rick Bakker


On Thu, Mar 6, 2014 at 11:33 PM, Morris, Eddie <eddie.morris at sap.com<mailto:eddie.morris at sap.com>> wrote:
Hi Rick,

Speaking from experience I have seen this take systems down on quite a few occasions so it can go horribly wrong. If you have someone who can monitor it and delete trace data when needed then I guess it is workable. Also use the trace restrictions when switching it on so only monitor a select number of events.

Also with note 1905199 a syslog entry (SM21) is written when an event linkage is deactivated so this can be used to check when the event linkage deactivation occurs. Then use the event trace to get specific information about the deactivation itself.

Regards,
Eddie

From: sap-wug-bounces at mit.edu<mailto:sap-wug-bounces at mit.edu> [mailto:sap-wug-bounces at mit.edu<mailto:sap-wug-bounces at mit.edu>] On Behalf Of Rick Bakker
Sent: 05 March 2014 22:17
To: SAP Workflow Users' Group
Subject: Re: Workflow Event Trace Leave On or Turn Off

Hi David,

I like to leave the event trace turned on. I have found this to be the case at most sites. Also, most workflow people I have worked with agree with this approach. The overhead is minuscule compared to the information it adds.

regards
Rick Bakker

On Thu, Mar 6, 2014 at 3:29 AM, Edward Diehl <edwarddiehl at hotmail.com<mailto:edwarddiehl at hotmail.com>> wrote:
It's not whether or not the trace is running, it's how often you delete "old" entries and reorg it.  Having said that, we have stopped using it to test for duplicate events and now check for duplicate workflows in a check function.


Ed Diehl
"Success consists of going from failure to failure without loss of enthusiasm."

________________________________
To: sap-wug at mit.edu<mailto:sap-wug at mit.edu>
From: davidcooper06 at icloud.com<mailto:davidcooper06 at icloud.com>
Subject: Workflow Event Trace Leave On or Turn Off
Date: Wed, 5 Mar 2014 06:55:50 +0000

Hi All,

The following is more a discussion item!

I have read in various texts and heard from several workflow administrators that it is recommended to turn the workflow trace off in production.

Reasons:
1) The trace adds an overhead to the application and database servers, and
2) The trace fills up the event table(s) with data that is not needed over time.

My argument for leaving the trace running, is more for diagnostic reasons when problems occur in production.  It becomes another source for tracking down what happened.  Yes the overhead is a given, but I feel this is justified to capture the diagnostic information.  As for the database table being filled, implement a deletion strategy which purges the data from the table after a period of say 3 ,6, 9, or 12 months.

Kind Regards

David Cooper

Linked-In: http://www.linkedin.com/pub/david-cooper/47/616/36a



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