re: processing a file -Reply -Reply

["Greg Thielen" <gregt@xxxxxxxx>]

The parameter you're refering to is EOFDLY (End of file delay).  The
main drawback to this method is that the system will always wait the
specified amount of time before rechecking the file for new records.
(i.e. If you have EOFDLY set to 30 seconds and a record arrives one
second after the delay was started, the program will not get control
for another 29 seconds.)  A data queue will "fire" as soon as
something arrives.

Aside from the size limitation, another advantage of using a "queue
file" with EOFDLY is that the file is protectable and recoverable by
using journalling and optionally commitment control.  You can also
easily view the data in the file as opposed to the data queue.


On Tue, 15 Jul 1997 23:08:08 -0400, PaulMmn wrote:

>At 2:19 PM 7/15/97, Scott Cornell wrote:
>>Robert Kerr wrote:
>>
>>>...to gain speed in large file processing you need to
>>> change the paradyne... Set up a feeder program to load
>>> records into a data queue...now write your process
>>> programs to pick records off the queue and do their
>>> thing...
>>
>
>You can do the same thing with a Physical File... there's a 'waitfile'
>parameter.  You set this parm (I -think- that's its name) and let an RPG
[snip]
>
>--Paul E Musselman
>PaulMmn@ix.netcom.com


------------------------------
Greg Thielen
Magellan Software, Inc.
Home:   gregt@isda.com
Office: gthielen@magsoft.com
        http://www.magsoft.com


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