[DOCS-11078] De-stress installing mongos instances on primary shards Created: 05/Dec/17  Updated: 30/Oct/23  Resolved: 26/Jan/18

Status: Closed
Project: Documentation
Component/s: Server
Affects Version/s: None
Fix Version/s: Server_Docs_20231030

Type: Improvement Priority: Major - P3
Reporter: Justin LaBreck Assignee: Susan Kerschbaumer (Inactive)
Resolution: Fixed Votes: 1
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Participants:
Days since reply: 6 years, 10 weeks, 2 days ago

 Description   

The documentation currently recommends running a `mongos` on the primary shard of a sharded cluster. This is not a best practice in terms of field recommendations. A quick survey of #consulting reveals that this is not a common recommendation. It seems that recommending an intermediate layer for `mongos` routers (i.e. dedicated servers) makes more sense in most cases than co-locating instances.

I submitted a pull request here as an example:
https://github.com/mongodb/docs/pull/3146


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