(This is a cross-post from the Engine Yard blog. The original article appears here.)
Here is a question I've actually been asked a few times:
"I am writing a batch processing script which modifies data as part of an ongoing process that is scheduled by cron. I have the ability to group a number of modifications together into a transaction, but I'm not sure what the correct number is?"
First off, I think that this question is interesting not just in the context of batch processing, but it equally applies to all parts of the application. …[Read more...]