MongoDB

wikipedia:MongoDB (Feb 2009, trends, Nasdaq-100) is an open-source document-oriented database using a JSON-like documents with schema. Listen by default on port TCP 27017.

• CEO: Dev Ittycheria

• Installation: brew tap mongodb/brew && brew install mongodb-community
• Runnig manually: mongod --config /usr/local/etc/mongod.conf --fork
• MongoDB Compass: brew install mongodb-compass
• /var/log/mongodb/mongodb.log
• /var/lib/mongodb/

Features

• Ad-hoc queries
• Indexing
• Sharding
• Replication
• Load balancing
• File storage
• Aggregation
• Server-side JavaScript execution
• Capped collections
• ACID transactions

Binaries

• mongo MongoDB shell
• mongodb
• mongos MongoDB Sharded Cluster Query Router
• mongotop
• mongodump
• mongorestore
• mongoexport
• mongoimport
• mongoreplay
• mongostat
• mongoperf

Editions

• MongoDB Community Server

Releases

• 4.2

Configuration

• /etc/mongod.conf

Commands

• Connect to mongoDB: mongo or mongo --host IP_TO_CONNECT
• List databases: show dbs or show databases
• Connect to a database: use <your_db_name>
• Backup your_db_name database to a file (--archive): mongodump --archive=test.20150715.archive --db your_db_name
• Backup database to binary JSON (BSON) files (--out): mongodump --host mongodb1.example.net --port 37017 --username user --password "pass" --out /opt/backup/mongodump-2011-10-24
• mongod --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=mmapv1
• mongod --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=mmapv1 --bind_ip_all
• db.myCollection.find() or db.myCollection.find().pretty()
• show tables, show collections
• db.users.find({"name": /.*m.*/}) or db.users.find({"name": /m/})
• db.YOUR_COLLETION.find().sort({_id:1}).limit(50);
• mongo --eval "printjson(db.serverStatus())"

Docker

• docker logs mongodb

Related terms

• MongoDB Atlas cloud service
• Eliot Horowitz CTO and founder
• Ops Manager
• prometheus-mongodb-exporter
• Rocket.Chat
• GridFS
• MongoDB logs
• MERN stack
• Amazon DynamoDB and AWS DMS
• Collections

Activities

• Read about MongoDB replication capabilities https://docs.mongodb.com/manual/faq/replica-sets/
• Read about MongoDB authentication: https://docs.mongodb.com/manual/core/authentication/ https://stackoverflow.com/questions/4881208/how-to-secure-mongodb-with-username-and-password

See also

• MongoDB: MongoDB Compass, mongo, mongodump, mongorestore, mongoexport, MongoDB changelog, MongoDB Enterprise Kubernetes Operator, GridFS, MongoDB Atlas, MongoDB replication, Ops Manager, docker logs mongodb, show collections, show dbs, mongo --help
• NoSQL: Graph database, document-oriented database, Couchbase, Amazon DynamoDB, Amazon DocumentDB, MongoDB, FoundationDB, RavenDB