I have few scripts loaded by cron quite often. Right now I don\'t store any logs, so if any script fails to load, I won\'t know it till I see results - and even when I notic
Writing the filesystem should always be faster.
That however shouldent be your concern. Both doing a simple insert and writing to a file system are quick operations. What you need to be worried about is what happens when your database goes down. I personaly like to write to both so there is always a log if anything goes wrong but also you have the ease of searching from a database.