sijie commented on issue #851: Issue 578 : make MajorCompaction controlled by 
time of the day/day of the week
URL: https://github.com/apache/bookkeeper/pull/851#issuecomment-355762035
 
 
   @merlimat 
   
   > There is a Java library for cron like job scheduling, Quartz.
   
   Yes, I think that is the best option. Mesos and Aurora use that for cron 
scheduling as well. But I think Enrico rejects introducing a new library.
   
   > My only concern with the scheduling is to avoid having all bookies doing 
compaction at the same time. Ideally, if prefer all bookies doing it at 
different times.
   
   Yes. What people usually do in different systems, is to inject gitters to 
scheduling, so they won't be started around the same time. Currently we don't 
even have any control in interval based scheduling (unless yahoo has introduced 
one).

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