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Example: Scheduling Using Quartz CronTrigger Format

 

The PSM server uses the Quartz scheduler CronTrigger format to specify schedules for automated backups, logs, and other tasks. Schedules can be specified in the /var/local/ems9001/conf/override-common.properties file.

The scheduler entries take the following form:

To aid in the creation of more complex schedules, the CronTrigger format supports a set of special characters, including the following:

  • "*" means "every" unit for units in that position. For example, a "*" in the <hours> position means every hour.

  • "?" means "don't care" for that position. For example, a "?" in the day_of_week position means that the day of week is irrelevant to the schedule.

  • "/" is used to specify increments. For example, "0/15" in the seconds position means 0, 15, 30, 45.

Here is an expression scheduling the running of an NE backup everyday at 4:15 AM:

To specify an NE backup to run every Sunday at 3:00 AM:

For more information on the Quartz scheduler CronTrigger syntax, see http://www.quartz-scheduler.org/documentation/quartz-1.x/tutorials/crontrigger.