It allows setting the month, day, day of week, hour or minute to check and run the job. It is very flexible.
It allows setting jobs similarly to the "cron" *nix package.
I know that we can set these things. but what i wanted to minimize, is the load on nsd. As this will run the scheduled cronjob_run proc every minute to check whether there is a cronjob alloted for that time.
So please let me know how can i reduce the effort of knowing about the cronjobs alloted in a particular time span. Instead of this we can run the cronjob_run proc on a paricular required date. Is this possible??
You can certainly reduce the effort and modify the cron package to run the check e.g. only every hour (or whatever), but this is not worth the effort and won't be noticable on any installation i know.