I have a scheduled task set up to run every 61 seconds. Each
iteration has a timeout of 600 seconds, and can take two or three
minutes to complete. The task is implemented in such a way that
each iteration is independent of the others, allowing the
iterations to safely overlap each other, giving the process some
rudimentary parallel processing and thus improving the total
throughput beyond what can be achieved synchronously.
We are upgrading to ColdFusion 8 soon, so I am evaluating
this task on ColdFusion 8. When I check the scheduler.log file
which ColdFusion 8 is producing, it does not appear that this
process is actually being run in overlapping iterations. This is in
contrast to how I have experienced ColdFusion scheduled tasks to
work in the past, as well as comments made on another
thread
in this forum. We are using ColdFusion 8 Standard Edition; could
this be a limitation of the Standard Edition?
Below is an excerpt from the log. It shows that the task was
executed only 4 times in a span of 12 minutes, instead of the
expected 12 iterations.
Activating2 on Tue Feb 10 15:20:05 CST 2009 To run on Tue Feb
10 15:21:06 CST 2009"
Executing at Tue Feb 10 15:21:06 CST 2009"
Rescheduling for :Tue Feb 10 15:24:09 CST 2009 Now: Tue Feb
10 15:23:24 CST 2009"
Executing at Tue Feb 10 15:24:09 CST 2009"
Rescheduling for :Tue Feb 10 15:27:12 CST 2009 Now: Tue Feb
10 15:26:38 CST 2009"
Executing at Tue Feb 10 15:27:12 CST 2009"
Rescheduling for :Tue Feb 10 15:30:15 CST 2009 Now: Tue Feb
10 15:29:33 CST 2009"
Executing at Tue Feb 10 15:30:15 CST 2009"
Rescheduling for :Tue Feb 10 15:33:18 CST 2009 Now: Tue Feb
10 15:32:51 CST 2009"
1
Reply
AdChoices