Hi, This should be strait forward if you use terracotta. If you have a NFS that all Tomcat instances share, using FileChannel::lock is way cheaper than any other solution.
-lg On Sun, Jan 11, 2009 at 2:30 AM, Rusty Wright <[email protected]> wrote: > This isn't really a Tomcat question I'm guessing but I don't know where else > to ask. > > In our setup we have multiple Tomcats behind a load balancer. I have a > background task that will run once a day, via Quartz. All Tomcats will be > using the same war so they will all run the job, but I need it so only one > of them runs the job. > > I'm looking for ideas for how to implement this. At the moment all I can > think of is to use a table in a database with a unique constraint on a > column, and each background process tries to insert today's date > (yyyy-mm-dd) and the one that succeeds runs the job, and the ones that > don't, do nothing. > > Thanks > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
