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Questions tagged [mongodb-replica-set]

MongoDB's replica set uses redundant nodes to provide a high availability and resilience against network partitions of the primary node.

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Mongo DB - difference between standalone & 1-node replica set

I needed to use Mongo DB transactions, and recently I understood that transactions don't work for Mongo standalone mode, but only for replica sets (Mongo DB with C# - document added regardless of transaction). Also, I read that standalone mode is…
Metheny
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Can't initiate replica set in Ubuntu

Whenever I type: rs.initiate(), I get the following error message: { "info2" : "no configuration explicitly specified -- making one", "me" : "VMHOSTNAME:27017", "ok" : 0, "errmsg" : "No host described in new configuration 1 for…
Italo Maia
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MongoDB Replica Set : Cannot use non-local read concern until replica set is finished initializing

I tried to create a replica set following instruction such as : https://hevodata.com/learn/mongodb-replica-set-3-easy-methods/ Sadly, I have a problem at the first step : Problem The command : mongod --port 27017 --dbpath "C:\Program…
Macab
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error in using rs.initiate() in mongo

I want to turn on the replication in monga. So when I tried to use rs.initiate I get the following errorrs.initiate() { "ok" : 0, "errmsg" : "This node was not started with the replSet option", "code" : 76, "codeName" :…
arman
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errmsg" : "No host described in new configuration 1 for replica set rs0 maps to this node", Why I am getting this message?

I am getting this message every time I do rs.initiate() : No host described in new configuration 1 for replica set rs0 maps to this node This is how my /etc/hosts/ file looks on both the replica set servers. Server 1 and server 2 "hosts"…
Shashank
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How to shut down replica set in mongodb?

I use ubuntu. I start three mongod replica set as follows: $ mongod --replSet setname --logpath "1.log" --dbpath /data/rs1 --port 27017 --smallfiles --fork $ mongod --replSet setname --logpath "2.log" --dbpath /data/rs2 --port 27018 --smallfiles…
Huo
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What is the difference between a cluster and a replica set in mongodb atlas?

I'm taking the Mongodb University M103 course and over there they gave a brief overview of what a cluster and a replica set is. From my understanding a cluster is a set of servers or nodes. While a replica set is a set of servers or nodes all of…
Devorein
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MongoDB load balancer for the Replica set

In replica set cluster of MongoDB how can i ensure quick response for a concurent users when my primary is busy in serving another request? Do i need to use load balancer, or the mongodb itself route the query to available Secondary? Thanks
Geek
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How to fix 'Sessions collection is not set up' error when trying to convert existing mongodb instance to replica set

I have installed the latest version of mongodb (v4.0.5) using the following link https://docs.mongodb.com/manual/tutorial/install-mongodb-on-red-hat/ Following this now I'm trying to set up replication using the instructions provided in the…
Jack
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Enabling MongoDB transactions without replica sets or with least possible configuration

[Some background information - possibly skippable] To begin with, I have barely any understanding of database management and just shallow experience with mongoose and node in the backend realm(a couple of udemy courses). Udemy courses made me…
fly
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Connect to MongoDB Replica Set running inside Docker with Java (Windows)

I want to set up a MongoDB replica set with docker. The setup seems to be fine but I'm not able to connect to the cluster with my Java-app. I'm running Docker version 17.06.0-ce on Windows 10 with VirtualBox as driver. I followed the instructions…
Mia
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Stop replica set on mongo and primary goes into recovery status

When I stop nodes of my replica set and start them up again, the primary node goes into status "recovering". I have a replica set created, running without authorization. In order to use authorization I have added users "db.createUser(...)", and…
MrElephant
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MongoError: no primary found in replicaset

I have 2 application servers, which are connecting to a replicaSet (Primary, Secondary and Arbitrer). Issue i'm facing is [ 'MongoError: no primary found in replicaset', ' at…
dragonfly163
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What is the correct MONGO_URL setting for replica sets on Meteor 1.4.1.1

This morning I went to deploy my updated Meteor project onto Heroku. I was upgrading from 1.1.0.3 to 1.4.1.1. Using the Meteor Buildpack Horse everything installed correctly, but the application was erroring out with the error; MongoError: seed…
Toby
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Mongodb replica set with Docker 1.12 services

Im wondering as to how to start a mongodb replica set using the new Docker 1.12 swarm mode service model. starting a service allows you to specify a number of container replicas, which in the minimal replica set case would be 3. but how would then…
deepblue
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