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Hi Justin
I don't see any difference in what they actually do. The system value
can be set, and you can override with the CHGQRYA command inside a job.
Or you can override it in a QAQQINI file.
No matter what, the optimizer estimate the run-time, and if the estimate
is greater than this value, the query is not started.
This is an estimate only - queries COULD take longer, but this might
give you some control. Maybe you would want to create different QAQQINI
files for different scenarios. You don't want to do something that will
block your regular batch reports or the like.
But you could add either the CHGQRYA command to the initial program for
certain users, or use the several settings in a QAQQINI.
HTH
Vern
On 7/6/2016 4:48 PM, Justin Taylor wrote:
We've had a number of run-away queries, and I'd like to set some limits. It looks to me like both QQRYTIMLMT (http://www.ibm.com/support/knowledgecenter/ssw_ibm_i_71/rzakz/rzakzqqrytimlmt.htm) and QAQQINI (https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_71/rzajq/qryopt.htm) would work. I'm just curious if anyone knows of any practical difference between the two options.
Thanks
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