MongoDB Manual Contents

• Install MongoDB
  • Install MongoDB on Red Hat Enterprise, CentOS, or Fedora Linux
  • Install MongoDB on Ubuntu
  • Install MongoDB on Debian
  • Install MongoDB on Linux
  • Install MongoDB on OS X
  • Install MongoDB on Windows
  • Install MongoDB Enterprise
• Administration
  • Run-time Database Configuration
  • Backup and Recovery Operations for MongoDB
    • Use mongodump and mongorestore to Backup and Restore MongoDB Databases
    • Use Filesystem Snapshots to Backup and Restore MongoDB Databases
    • Copy Databases Between Instances
    • Recover MongoDB Data following Unexpected Shutdown
    • Backup a Small Sharded Cluster with mongodump
    • Create Backup of a Sharded Cluster with Filesystem Snapshots
    • Create Backup of a Sharded Cluster with Database Dumps
    • Restore a Single Shard
    • Restore Sharded Clusters
    • Schedule Backup Window for Sharded Clusters
  • Data Center Awareness
    • Operational Segregation in MongoDB Operations and Deployments
    • Tag Aware Sharding
    • Administer and Manage Shard Tags
    • Deploy a Geographically Distributed Replica Set
  • Journaling
  • Connect to MongoDB with SSL
  • Monitor MongoDB with SNMP
  • Manage mongod Processes
  • Rotate Log Files
  • Monitoring for MongoDB
  • Analyze Performance of Database Operations
  • Import and Export MongoDB Data
  • Linux ulimit Settings
  • Production Notes
  • Use Database Commands
  • MongoDB Tutorials
• Security
  • Security Practices and Management
  • Access Control
  • Configure Linux iptables Firewall for MongoDB
  • Configure Windows netsh Firewall for MongoDB
  • Create a Vulnerability Report
  • Enable Authentication
  • Create a User Administrator
  • Add a User to a Database
  • Generate a Key File
  • Deploy MongoDB with Kerberos Authentication
  • User Privilege Roles in MongoDB
  • system.users Privilege Documents
  • Password Hashing Insecurity
• Core MongoDB Operations (CRUD)
  • Read Operations
  • Write Operations
  • Write Concern Reference
  • BSON Documents
  • ObjectId
  • GridFS
  • Database References
  • Create
  • Read
  • Update
  • Delete
• Data Modeling
  • Data Modeling Considerations for MongoDB Applications
  • Model Embedded One-to-One Relationships Between Documents
  • Model Embedded One-to-Many Relationships Between Documents
  • Model Referenced One-to-Many Relationships Between Documents
  • Model Data for Atomic Operations
  • Model Tree Structures with Parent References
  • Model Tree Structures with Child References
  • Model Tree Structures with an Array of Ancestors
  • Model Tree Structures with Materialized Paths
  • Model Tree Structures with Nested Sets
  • Model Data to Support Keyword Search
• Aggregation
  • Aggregation Framework
  • Aggregation Framework Examples
  • Aggregation Framework Reference
  • SQL to Aggregation Framework Mapping Chart
  • Map-Reduce
    • Map-Reduce Examples
    • Perform Incremental Map-Reduce
    • Troubleshoot the Map Function
    • Troubleshoot the Reduce Function
  • Simple Aggregation Methods and Commands
• Indexes
  • Indexing Overview
  • Indexing Strategies
    • Create Indexes to Support Your Queries
    • Use Indexes to Sort Query Results
    • Ensure Indexes Fit RAM
    • Create Queries that Ensure Selectivity
  • Indexing Operations
    • Create an Index
    • Create a Compound Index
    • Create a Unique Index
    • Create a Sparse Index
    • Create a Hashed Index
    • Build Indexes on Replica Sets
    • Build Indexes in the Background
    • Remove Indexes
    • Rebuild Indexes
    • Monitor and Manage In Progress Index Creation and Building
    • Return a List of All Indexes
    • Measure Index Use
    • Build Old Style Indexes
  • Geospatial Indexes and Queries
    • 2d Indexes
    • 2dsphere Indexes
    • Haystack Indexes
    • Calculate Distances in a 2d Index Using Spherical Geometry
    • 2d Index Internals
  • Text Search
    • Create text Index on Multiple Fields
    • Specify a Language for Text Index
    • Specify text Index Name to Avoid Name Length Limit
    • Create a text Index on a Multi-language Collection
    • Control Results of Text Search with Weights
    • Limit the Number of Index Entries Scanned for Text Search
    • Return Text Queries Using Only a text Index
• Replication
  • Replica Set Fundamental Concepts
  • Replica Set Architectures and Deployment Patterns
  • Replica Set Considerations and Behaviors for Applications and Development
    • Write Concern
    • Read Preference
  • Replica Set Internals and Behaviors
  • Master Slave Replication
  • Replica Set Administration
    • Deploy a Replica Set
    • Convert a Standalone to a Replica Set
    • Add Members to a Replica Set
    • Remove Members from Replica Set
    • Replace a Replica Set Member
    • Adjust Priority for Replica Set Member
    • Resync a Member of a Replica Set
    • Deploy a Geographically Distributed Replica Set
    • Change the Size of the Oplog
    • Force a Member to Become Primary
    • Manage Chained Replication
    • Change Hostnames in a Replica Set
    • Troubleshoot Replica Sets
    • Add an Arbiter to Replica Set
    • Convert a Secondary to an Arbiter
    • Configure a Delayed Replica Set Member
    • Configure a Replica Set Member as Hidden
    • Configure a Non-Voting Replica Set Member
    • Prevent Replica Set Member from Becoming Primary
    • Configure a Secondary’s Sync Target
    • Configure Replica Set Tag Sets
    • Reconfigure a Replica Set with Unavailable Members
  • Replica Set Configuration
  • Replica Set Commands
  • Replica Set Features and Version Compatibility
• Sharding
  • Sharded Cluster Overview
  • Sharded Cluster Architectures
  • Query Routing in Sharded Clusters
  • Security Practices for Sharded Clusters
  • Sharded Cluster Internals
  • Sharded Cluster Administration
    • Deploy a Sharded Cluster
    • Select a Shard Key
    • Hashed Sharding
    • Enable Authentication in a Sharded Cluster
    • View Cluster Configuration
    • Add Shards to a Cluster
    • Convert a Replica Set to a Replicated Sharded Cluster
    • Administer and Manage Shard Tags
    • Deploy Three Config Servers for Production Deployments
    • Migrate Config Servers with the Same Hostname
    • Migrate Config Servers with Different Hostnames
    • Replace a Config Server
    • Backup Cluster Metadata
    • Manage Chunks in a Sharded Cluster
    • Configure Behavior of Balancer Process in Sharded Clusters
    • Manage Sharded Cluster Balancer
    • Remove Shards from an Existing Sharded Cluster
    • Tag Aware Sharding
    • Enforce Unique Keys for Sharded Collections
    • Shard GridFS Data Store
• Application Development
  • MongoDB Drivers and Client Libraries
  • Optimization Strategies for MongoDB
    • Optimize Query Performance with Indexes and Projections
    • Evaluate Performance of Current Operations
    • Use Capped Collections for Fast Writes and Reads
  • Capped Collections
  • Server-side JavaScript
  • Store a JavaScript Function on the Server
  • Perform Two Phase Commits
  • Create Tailable Cursor
  • Isolate Sequence of Operations
  • Create an Auto-Incrementing Sequence Field
  • Limit Number of Elements in an Array after an Update
  • Expire Data from Collections by Setting TTL
• The mongo Shell
  • Getting Started with the mongo Shell
  • Data Types in the mongo Shell
  • Access the mongo Shell Help Information
  • Write Scripts for the mongo Shell
  • mongo Shell Quick Reference
• Use Cases
  • Storing Log Data
  • Pre-Aggregated Reports
  • Hierarchical Aggregation
  • Product Catalog
  • Inventory Management
  • Category Hierarchy
  • Metadata and Asset Management
  • Storing Comments
  • Write a Tumblelog Application with Django MongoDB Engine
  • Write a Tumblelog Application with Flask and MongoEngine
• Frequently Asked Questions
  • FAQ: MongoDB Fundamentals
  • FAQ: MongoDB for Application Developers
  • FAQ: The mongo Shell
  • FAQ: Concurrency
  • FAQ: Sharding with MongoDB
  • FAQ: Replica Sets and Replication in MongoDB
  • FAQ: MongoDB Storage
  • FAQ: Indexes
  • FAQ: MongoDB Diagnostics
• Reference
  • Query, Update and Projection Operators
    • Comparison Query Operators
      • $all
      • $gt
      • $gte
      • $in
      • $lt
      • $lte
      • $ne
      • $nin
    • Logical Query Operators
      • $or
      • $and
      • $not
      • $nor
    • Element Query Operators
      • $exists
      • $mod
      • $type
    • JavaScript Query Operators
      • $where
      • $regex
    • Geospatial Query Operators
      • $geoWithin
      • $geoIntersects
      • $near
      • $nearSphere
    • Query Operator Array
      • $elemMatch (query)
      • $size
    • Field Update Operators
      • $inc
      • $rename
      • $setOnInsert
      • $set
      • $unset
    • Array Update Operators
      • $ (query)
      • $addToSet
      • $pop
      • $pullAll
      • $pull
      • $pushAll
      • $push
      • $each
      • $slice
      • $sort
    • Bitwise Update Operator
      • $bit
    • Isolation Update Operator
      • $isolated
    • Projection Operators
      • $ (projection)
      • $elemMatch (projection)
      • $slice (projection)
    • Meta Query Operator Quick Reference
      • $comment
      • $explain
      • $hint
      • $maxScan
      • $max
      • $min
      • $orderby
      • $returnKey
      • $showDiskLoc
      • $snapshot
      • $natural
  • Database Commands
    • Aggregation Commands
      • aggregate
      • count
      • distinct
      • group
      • mapReduce
    • Geospatial Commands
      • geoNear
      • geoSearch
      • geoWalk
    • Query and Write Operation Commands
      • findAndModify
      • text
      • getLastError
      • getPrevError
      • resetError
      • eval
    • Replication Commands
      • replSetFreeze
      • replSetGetStatus
      • replSetInitiate
      • replSetMaintenance
      • replSetReconfig
      • replSetStepDown
      • replSetSyncFrom
      • resync
      • applyOps
      • isMaster
      • getoptime
    • Sharding Commands
      • flushRouterConfig
      • addShard
      • checkShardingIndex
      • enableSharding
      • listShards
      • removeShard
      • getShardMap
      • getShardVersion
      • setShardVersion
      • shardCollection
      • shardingState
      • unsetSharding
      • split
      • splitChunk
      • splitVector
      • medianKey
      • moveChunk
      • movePrimary
      • isdbgrid
    • Administration Commands
      • renameCollection
      • copydb
      • dropDatabase
      • drop
      • create
      • clone
      • cloneCollection
      • cloneCollectionAsCapped
      • closeAllDatabases
      • convertToCapped
      • filemd5
      • dropIndexes
      • fsync
      • clean
      • connPoolSync
      • compact
      • collMod
      • reIndex
      • setParameter
      • getParameter
      • repairDatabase
      • touch
      • shutdown
      • logRotate
    • Diagnostic Commands
      • listDatabases
      • dbHash
      • driverOIDTest
      • listCommands
      • availableQueryOptions
      • buildInfo
      • collStats
      • connPoolStats
      • dbStats
      • cursorInfo
      • dataSize
      • diagLogging
      • getCmdLineOpts
      • netstat
      • ping
      • profile
      • validate
      • top
      • indexStats
      • whatsmyuri
      • getLog
      • hostInfo
      • serverStatus
      • features
      • isSelf
    • Internal Commands
      • handshake
      • recvChunkAbort
      • recvChunkCommit
      • recvChunkStart
      • recvChunkStatus
      • replSetFresh
      • mapreduce.shardedfinish
      • transferMods
      • replSetHeartbeat
      • replSetGetRBID
      • migrateClone
      • replSetElect
      • writeBacksQueued
      • writebacklisten
    • Testing Commands
      • testDistLockWithSkew
      • testDistLockWithSyncCluster
      • captrunc
      • emptycapped
      • godinsert
      • _hashBSONElement
      • journalLatencyTest
      • sleep
      • replSetTest
      • forceerror
      • skewClockCommand
      • configureFailPoint
  • mongo Shell Methods
    • Collection Methods
      • db.collection.aggregate()
      • db.collection.count()
      • db.collection.createIndex()
      • db.collection.getIndexStats()
      • db.collection.dataSize()
      • db.collection.distinct()
      • db.collection.drop()
      • db.collection.dropIndexes()
      • db.collection.dropIndexes()
      • db.collection.ensureIndex()
      • db.collection.find()
      • db.collection.findAndModify()
      • db.collection.findOne()
      • db.collection.getIndexes()
      • db.collection.getShardDistribution()
      • db.collection.getShardVersion()
      • db.collection.group()
      • db.collection.insert()
      • db.collection.isCapped()
      • db.collection.mapReduce()
      • db.collection.reIndex()
      • db.collection.remove()
      • db.collection.renameCollection()
      • db.collection.save()
      • db.collection.stats()
      • db.collection.storageSize()
      • db.collection.totalSize()
      • db.collection.storageSize()
      • db.collection.update()
      • db.collection.validate()
    • Cursor Methods
      • cursor.addOption()
      • cursor.batchSize()
      • cursor.count()
      • cursor.explain()
      • cursor.forEach()
      • cursor.hasNext()
      • cursor.hint()
      • cursor.limit()
      • cursor.map()
      • cursor.max()
      • cursor.min()
      • cursor.next()
      • cursor.objsLeftInBatch()
      • cursor.readPref()
      • cursor.showDiskLoc()
      • cursor.size()
      • cursor.skip()
      • cursor.snapshot()
      • cursor.sort()
      • cursor.toArray()
    • Database Methods
      • db.addUser()
      • db.auth()
      • db.cloneCollection()
      • db.cloneDatabase()
      • db.commandHelp()
      • db.copyDatabase()
      • db.createCollection()
      • db.currentOp()
      • db.dropDatabase()
      • db.eval()
      • db.fsyncLock()
      • db.fsyncUnlock()
      • db.getCollection()
      • db.getCollectionNames()
      • db.getLastError()
      • db.getLastErrorObj()
      • db.getMongo()
      • db.getName()
      • db.getPrevError()
      • db.getProfilingLevel()
      • db.getProfilingStatus()
      • db.getReplicationInfo()
      • db.getSiblingDB()
      • db.help()
      • db.hostInfo()
      • db.isMaster()
      • db.killOp()
      • db.listCommands()
      • db.loadServerScripts()
      • db.logout()
      • db.printCollectionStats()
      • db.printReplicationInfo()
      • db.printShardingStatus()
      • db.printSlaveReplicationInfo()
      • db.removeUser()
      • db.repairDatabase()
      • db.resetError()
      • db.runCommand()
      • db.serverBuildInfo()
      • db.serverStatus()
      • db.setProfilingLevel()
      • db.shutdownServer()
      • db.stats()
      • db.version()
    • Replication Methods
      • rs.add()
      • rs.addArb()
      • rs.conf()
      • rs.freeze()
      • rs.help()
      • rs.initiate()
      • rs.reconfig()
      • rs.remove()
      • rs.slaveOk()
      • rs.status()
      • rs.stepDown()
      • rs.syncFrom()
    • Sharding Methods
      • sh._adminCommand()
      • sh._checkFullName()
      • sh._checkMongos()
      • sh._lastMigration()
      • sh.addShard()
      • sh.addShardTag()
      • sh.addShardTag()
      • sh.disableBalancing()
      • sh.enableBalancing()
      • sh.enableSharding()
      • sh.getBalancerHost()
      • sh.getBalancerState()
      • sh.help()
      • sh.isBalancerRunning()
      • sh.moveChunk()
      • sh.removeShardTag()
      • sh.setBalancerState()
      • sh.shardCollection()
      • sh.splitAt()
      • sh.splitFind()
      • sh.startBalancer()
      • sh.status()
      • sh.stopBalancer()
      • sh.waitForBalancer()
      • sh.waitForBalancerOff()
      • sh.waitForDLock()
      • sh.waitForPingChange()
    • Connection Methods
      • Mongo.getDB()
      • Mongo.getReadPrefMode()
      • Mongo.getReadPrefTagSet()
      • Mongo.setReadPref()
      • mongo.setSlaveOk()
      • Mongo()
      • connect()
    • Subprocess Methods
      • clearRawMongoProgramOutput()
      • rawMongoProgramOutput()
      • run()
      • runMongoProgram()
      • runProgram()
      • startMongoProgram()
      • stopMongoProgram()
      • stopMongoProgramByPid()
      • stopMongod()
      • waitMongoProgramOnPort()
      • waitProgram()
    • Native Methods
      • cat()
      • cd()
      • copyDbpath()
      • resetDbpath()
      • fuzzFile()
      • getHostName()
      • getMemInfo()
      • hostname()
      • _isWindows()
      • listFiles()
      • load()
      • ls()
      • md5sumFile()
      • mkdir()
      • pwd()
      • quit()
      • rand()
      • removeFile()
      • _srand()
  • SQL to MongoDB Mapping Chart
  • MongoDB Package Components
    • mongod
    • mongos
    • mongo
    • mongod.exe
    • mongos.exe
    • mongodump
    • mongorestore
    • bsondump
    • mongooplog
    • mongoimport
    • mongoexport
    • mongostat
    • mongotop
    • mongosniff
    • mongoperf
    • mongofiles
    • Configuration File Options
    • mongod Parameters
  • The local Database
  • System Collections
  • Database Profiler Output
  • Exit Codes and Statuses
  • MongoDB Limits and Thresholds
  • Connection String URI Format
  • MongoDB Extended JSON
  • Database References
  • GridFS Reference
  • Glossary
• Release Notes
  • Release Notes for MongoDB 2.4
  • Release Notes for MongoDB 2.2
  • Release Notes for MongoDB 2.0
  • Release Notes for MongoDB 1.8
  • Release Notes for MongoDB 1.6
  • Release Notes for MongoDB 1.4
  • Release Notes for MongoDB 1.2.x
  • Release Notes for MongoDB 2.6 (Development Series 2.5.x)
  • Default Write Concern Change
• About MongoDB Documentation
  • MongoDB Documentation Style and Conventions
  • MongoDB Documentation Practices and Processes
  • MongoDB Documentation Organization
  • Build and Deploy the MongoDB Documentation

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