Problem:

Turning on the balancer, get the following message reported on the Primary on one of the sets

Sun Oct 17 23:36:44 [conn4770] ERROR: _recvChunkStatus error : { active: false, ns: "sd.metrics", from: "set1/rs1a:27018,rs1b:27018", min:

{ accId: 1, sId: 45 }

, max:

{ accId: 1, sId: 60 }

, state: "fail", errmsg: "_migrateClone failed: { assertion: "Invalid BSONObj spec size: 8711304...", counts:

{ cloned: 0, clonedBytes: 0, catchup: 0, steady: 0 }

, ok: 1.0 }

Workaround:
None

Business Case:

• reliability