Basic mongodump of local default mongod instance mongodump --db mydb --gzip --out "mydb.dump.$(date +%F_%R)" This command will dump a bson gzipped archive of your local mongod ‘mydb’ database to the …

Authorization is the basically verifies user privileges. MongoDB support different kind of authorization models. 1. Role base access control Role are group of privileges, actions over resources. That are gain …

Authentication is the process of verifying the identity of a client. When access control, i.e. authorization, is enabled, MongoDB requires all clients to authenticate themselves in order to determine their …

How to configure a ReplicaSet to support TLS/SSL? We will deploy a 3 Nodes ReplicaSet in your local environment and we will use a self-signed certificate. Do not use a …

Mongodb as a Replica Set We would be creating mongodb as a replica set having 3 instances. One instance would be primary and the other 2 instances would be secondary. …

Basic configuration with three nodes The replica set is a group of mongod instances that maintain the same data set. This example shows how to configure a replica set with …

Sharding Environment Setupa Sharding Group Members : For sharding there are three players. Config ServerReplica SetsMongos For a mongo shard we need to setup the above three servers. Config Server …

ParameterDetailhostXOptional. You can specify as many hosts as necessary. You would specify multiple hosts, for example,for connections to replica sets.portXOptional. The default value is :27017 if not specified.databaseOptional. The name …

Fetch Collection data with condition To get data from testcollection collection in testdb database where name=dev import org.bson.Document; import com.mongodb.BasicDBObject; import com.mongodb.MongoClient; import com.mongodb.ServerAddress; import com.mongodb.client.MongoCollection; import com.mongodb.client.MongoCursor; import com.mongodb.client.MongoDatabase; …

WiredTiger WiredTiger supports LSM trees to store indexes. LSM trees are faster for write operations when you need to write huge workloads of random inserts.In WiredTiger, there is no in-place …