We have two different deployments.

Last week we upgraded them:

• one from 3.4.16 to 3.6.6
• other from 3.4.16 to 3.6.7

Now the mongod configuration config server keeps spamming us with these message non stop:

2018-09-03T10:11:20.922+0200 I SHARDING [Balancer] Refreshing chunks for collection (collection name) based on version 8|1||59de38102edb75dfb0677947
2018-09-03T10:11:20.923+0200 I SHARDING [ConfigServerCatalogCacheLoader-37073] Refresh for collection (collection name) took 0 ms and found version 8|1||59de38102edb75dfb0677947

this issue causes a huge log file in a very little time