The balancer window must be sufficient to complete the migration of all data inserted during the day.
As data insert rates can change based on activity and usage patterns, it is important to ensure that the balancing window you select will be sufficient to support the needs of your deployment.
Do not use the sh.startBalancer() method when you have set an activeWindow.
Currently enabled: yes
Currently running: yes
Balancer lock taken at Mon Jun 29 2015 18:23:23 GMT+0800 (CST) by cst.test.112:30000:1435563625:1804289383:Balancer:846930886
Balancer active window is set between 13:00 and 15:00 server local time
Collections with active migrations:
wy_test.Test started at Mon Jun 29 2015 18:23:24 GMT+0800 (CST)
Failed balancer rounds in last 5 attempts: 0
Migration Results for the last 24 hours:
13 : Success