Re: Individual bulk e-mails - performance question

On Sun, 2008-08-31 at 12:12 +0200, Per Jessen wrote: > Robert Cummings wrote: > > >> That's easily taken care of. Instead of a cron-job, you could have a > >> script running as a daemon, checking for emails to be sent every > >> 5mins. > > > > That's the same as running a cron every 5 minutes except now you also > > need to detect if your daemon dies :) On the plus side though, you > > eliminate the overhead of starting up the script every 5 minutes :) > > It is not the same as it will prevent multiple scripts running > concurrently in case a batch of emails takes longer that 5 minutes. > Checking if the daemon dies - I guess it's a matter of taste or > paranoia, but I don't think it's necessary when the script is > sufficiently simple: > > #!/bin/sh > while true > do > <yourscript> > sleep 300 > done I accomplish the same with cron scripts by using locks with expiry. Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP