How do I stop MongoDB replica set?
How do I stop MongoDB replica set?
Remove Members from Replica Set
- Shut down the mongod instance for the member you wish to remove. To shut down the instance, connect using mongosh and use the db.
- Connect to the replica set’s current primary. To determine the current primary, use db.
- Use rs.remove() in either of the following forms to remove the member:
How do I remove replica set?
To delete a ReplicaSet and all of its Pods, use kubectl delete . The Garbage collector automatically deletes all of the dependent Pods by default.
How do you change replica set to standalone?
Just remove a host from replica set ( rs. remove(‘host:port’) ), relaunch it without replSet parameter and it’s standalone again. Remove all secondary hosts from replica set (rs. remove(‘host:port’)), restart the mongo deamon without replSet parameter (editing /etc/mongo.
How do you make a replica set primary?
You can force a replica set member to become primary by giving it a higher members[n]. priority value than any other member in the set. Optionally, you also can force a member never to become primary by setting its members[n]. priority value to 0 , which means the member can never seek election as primary.
How do I change my replica set name?
Start the replica set member on its original port.
- If using a configuration file, ensure that replication. replSetName is set to the new replica set name.
- If using the mongod startup command with the –replSet option, pass the new name of the replica set to the –replSet option.
How do I initiate MongoDB?
To reset the configuration, make sure every node in your replica set is stopped. Then delete the “local” database for every node. Once you are confident all nodes are not running and the local database are gone, start the mongod process again (of course using the –replSet flag).
Can you rescale a replica set?
You can easily change the number of pods a particular ReplicaSet manages in one of two ways: Edit the controllers configuration by using kubectl edit rs ReplicaSet_name and change the replicas count up or down as you desire. Use kubectl directly. For example, kubectl scale –replicas=2 rs/web .
How do I permanently delete pods?
Deleting a StatefulSet You can delete a StatefulSet in the same way you delete other resources in Kubernetes: use the kubectl delete command, and specify the StatefulSet either by file or by name. You may need to delete the associated headless service separately after the StatefulSet itself is deleted.
How do you make a replica set?
Procedure
- Shut down the standalone mongod instance.
- Restart the instance. Use the –replSet option to specify the name of the new replica set.
- Connect mongosh to the mongod instance.
- Use rs.initiate() to initiate the new replica set: rs.initiate()
How does MongoDB replica set work?
MongoDB achieves replication by the use of replica set. A replica set is a group of mongod instances that host the same data set. In a replica, one node is primary node that receives all write operations. All other instances, such as secondaries, apply operations from the primary so that they have the same data set.
How do I know if MongoDB is replica?
Check Replica Set Status To display the current state of the replica set and current state of each member, run the rs. status() method in a mongosh session that is connected to the replica set’s primary.
What is the difference between a replica set and replication controller?
The replica set are also known as next generation replication controller. The only difference between replica set and replication controller is the selector types. The replication controller supports equality based selectors whereas the replica set supports equality based as well as set based selectors.
How to reset MongoDB replica set settings-Server Fault?
1 edit /etc/mongod.conf and comment out replication: block 2 service mongod restart 3 mongo local –eval “db.dropDatabase ()” 4 service mongod stop 5 on mongo primary : rs.add (“this node”) 6 edit /etc/mongod.conf and uncomment the replication: block 7 service mongod restart
How to stop MongoDB in one command stack overflow?
NOTE: If the DB is running as another user, but you have administrative rights, you have invoke the above commands with sudo, in order to run them. E.g.: brew services start mongodb. now, want to stop mongod.
How to remove secondary hosts from Mongo replica set?
Remove all secondary hosts from replica set (rs.remove (‘host:port’)), restart the mongo deamon without replSet parameter (editing /etc/mongo.conf) and the secondary hosts starts in standalone mode again. The Primary host is tricky one, because you can’t remove it from the replica set with rs.remove.
What happens when I Disconnect my shell from MongoDB?
MongoDB may disconnect the shell briefly if the replica set needs to elect a new primary. The shell then automatically reconnects in such cases. The shell may display a DBClientCursor::init call () failed error even though the command succeeds.