Balancing Window Per Day of the week

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    • Type: Improvement
    • Resolution: Fixed
    • Priority: Major - P3
    • 8.3.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • Cluster Scalability
    • Fully Compatible
    • ClusterScalability Jul7-Jul20
    • 3
    • None
    • None
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      A user should be able to specify a balancing window for each day of the week

      db.settings.updateOne(
   { _id: "balancer" },
   { $set: { activeWindowDOW : { day : "<day_name>", start : "<start-time>", stop : "<stop-time>" } } },
   { upsert: true }
)

       
      Let's introduce a new field "activeWindowDOW" to not break backward compatibility or upgrades.

      For example, to set the balancing window from 9 to 5 Monday through Friday, and all day on weekends you would do the following:

      db.settings.updateOne(
   { _id: "balancer" },
   { $set: {activeWindowDOW: [
               { day: "Monday", start: "00:01", stop: "23:59" },
               { day: "Tuesday", start: "09:00", stop: "17:00" },                
               { day: "Wednesday", start: "09:00", stop: "17:00" }, 
               { day: "Thursday", start: "09:00", stop: "17:00" }, 
               { day: "Friday", start: "09:00", stop: "17:00" },
               { day: "Saturday", start: "09:00", stop: "17:00" },               
               { day: "Sunday", start: "00:01", stop: "23:59" }                      
               ]
             }  
   },
   { upsert: true }
)

       

      If they want to run overnight on weekdays from 10 PM to 6 AM, and all day on weekends, they will have to set multiple windows per day:

      db.settings.updateOne(
   { _id: "balancer" },
   { $set: {activeWindowDOW: [
               {day: "Monday", start: "22:00", stop: "23:59" },
               {day: "Tuesday", start: "00:00", stop: "06:00" },
               {day: "Tuesday", start: "22:00", stop: "23:59" }, 
               {day: "Wednesday", start: "00:00", stop: "06:00" },
               {day: "Wednesday", start: "22:00", stop: "23:59" }, 
               {day: "Thursday", start: "00:00", stop: "06:00" },
               {day: "Thursday", start: "22:00", stop: "23:59" }, 
               {day: "Friday", start: "00:00", stop: "06:00" },
               {day: "Friday", start: "22:00", stop: "23:59" },  
               { day: "Saturday", start: "00:01", stop: "23:59" },
               { day: "Sunday", start: "00:01", stop: "23:59" }
               ]
             }  
   },
   { upsert: true }
)

       
      They can also do the same thing by setting multiple balancing windows per day:

      db.settings.updateOne(
   { _id: "balancer" },
   { $set: {activeWindowDOW: [
               { day: "Sunday", start: "00:01", stop: "23:59" },
               { day: "Monday", start: "09:00", stop: "17:00" },                
               { day: "Monday", start: "22:00", stop: "23:59" }, 
               { day: "Wednesday", start: "09:00", stop: "17:00" }, 
               { day: "Wednesday", start: "22:00", stop: "23:59" },
               { day: "Friday", start: "09:00", stop: "17:00" },               
               { day: "Saturday", start: "00:01", stop: "23:59" }                      
               ]
             }  
   },
   { upsert: true }
)

      If the user does the existing way below, it will also continue to work and apply to every day of the week.

      db.settings.updateOne(
   { _id: "balancer" },
   { $set: { activeWindow : { start : "<start-time>", stop : "<stop-time>" } } },
   { upsert: true }
)

            Assignee:
            Lucy Wu (Inactive)
            Reporter:
            Garaudy Etienne
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            Watchers:
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              Created:
              Updated:
              Resolved: