queueing a workflow

[Jason Higgins]

I have a workflow, in this case it is a for each workflow, that I plan to run every 30 minutes. The workflow downloads some files off of an FTP site and some of them could potentially be large. If the workflow is running longer than 30 minutes I don't want to start another workflow. What is the best way to ensure that this workflow only has one instance running at a time?

[Lon Needham]

You could place the following lines inside the process tab of the work flow.

 

:IF SYS_STATE_ACTIVE() = 'Y'

:  STOP NOMSG

:ENDIF

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[Shashank Singh]

On the attributes tab of the job, under "Tasks running parallel" section set the Max. number as 1. This will allow only one instance of the job to be active at any given time.

[Christian Boeck]

Hi,

start the workflow with the option "execute recurring" and don't use "allow one overlap" in the part "frequency".
If your worklfow takes more then 30 minutes no execution take place. The next execution starts in the new interval of 30 minutes
but only if the predecessor is finished.

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Thx & rgds
Christian
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