Hi,

I have some batch jobs running and am using Quartz Schedular. They run
based on a specific time schedule (eg 55 and 25 minutes each hour over 24
hours).

Thing is, I have (at a minimum) 2 nodes running the same software for
disaster recovery reasons. So I need a way to only run a job by one of the
nodes.

Turns out its quite tricky to get right and I keep finding bugs which are
hard to reproduce!

The current implementation requires each node to write to the db first to
say its going to run the job, then read back the record to see if
it succeeded in the write (there's a unique key on the job name) and if so,
run the job.

However, there seem to be issues with overlapping jobs (I think, hard to
diagnose after the fact and they are intermittent).

I was wondering if there was an easier solution out there I could easily
use?

Thanks

Rakesh

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