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Time taken by external task

infoForDj

Hi,

I have an external task that calls a perl script that takes care of sending email notifications. This script is not iw_send_mail or iwservlet_mail. Now, the mails usually arrive 2 min after the task has become active. However if I call this script from within a cgi script, the mail arrives instantly.

Please help me to understand the cause of above mentioned inconsistency and solve it.

Thanks,
Dhruv

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Comments

Adam Stoller

Without seeing the script, and potentially wft, and spending [un-paid-for] time debugging it - it's kind of difficult to figure out what's happening and why.

It sounds like you have a separate script for sending email - which is called from both an externaltask script and cgitask script - but is not, in fact, the entire externaltask or cgitask script -- i.e. you have externaltask script A and cgitask script B - both of which call your email script C -- is that correct?

If so - then perhaps it has more to do with how scripts A and B are written than with how C is written.

If not - then you may need to provide a LOT more details before anyone can really try to assist you.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

infoForDj

Hi,

I have an external task which calls script C and a CGI task which calls script B which in turn calls script C. But the time taken by the script C to execute is much longer when it is called from the external task than when called from the cgi script B.

Thanks,
Dhruv

Adam Stoller

The only thing I can think of off-hand would be to add time-stamped debugging statements to both scripts B and C - so that you can corroborate the experience with actual data. I'd probably have something that prints out a timestamp (with descriptive text) at the beginning and end (or just prior to callback) of both scripts and have it log [append] to a single file and then look at that file to see if it validates script C taking longer to run when executed as an externaltask script as oppsed to being executed as a cgitask script.

If that doesn't correlate - then I'd try adding additional debugging statements directly around the location in script C where the mail is actually being composed and sent - and again look for corroborating evidence, and so-on, and so-forth - if all the timestamp evidence doesn't uncover a difference in processing time of the scripts, but you still seem to have a difference in timing with respect to receiving the email - then the problem shifts to trying to debug your email servers - and that's a bit out of scope.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com