MongoDB Finishing Notes Process Control

View Active Processes

> db.currentop (); // equivalent to: db. $cmd. Sys.inprog.findOne () {InProg: [{"Opid": "OP": "Query", "ns": "Mydb.votes" ,"query": "{score:1.0}", "Inlock": 1  }]}

Field Description:
Opid: Operation Process Number
Op: Type of operation (query, update, etc.)
Ns: A namespace that refers to which object is manipulated
Query: If the operation type is a query, this will show the specific query content
LockType: The type of lock, indicating whether it is a read or write lock

End Process

> db.killop (1234/*opid*/)//  equal to: db. $cmd. Sys.killop.findOne ({ op:1234})

Note

Do not kill internally initiated operations, such as sync operations initiated by replica set.

MongoDB Finishing Notes Process Control