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WiredTiger Storage Engine — MongoDB Manual

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Starting in MongoDB 3.2, the WiredTiger storage engine is the default storage engine. For existing deployments, if you do not specify the --storageEngine or the storage.engine setting, the version 3.2+ mongod instance can automatically determine the storage engine used to create the data files in the --dbpath or storage.dbPath. See Default Storage Engine Change. Deployments hosted in the following environments can use the WiredTiger storage engine: MongoDB Atlas : The fully managed service for MongoDB deployments in the cloud All MongoDB Atlas deployments use the WiredTiger storage engine. MongoDB Enterprise: The subscription-based, self-managed version of MongoDB MongoDB Community: The source available, free-to-use, and self-managed version of MongoDB To learn more about WiredTiger memory use for deployments hosted in MongoDB Atlas, see Memory . The following operational notes and limitations apply to the WiredTiger engine: You can't pin documents to the WiredTiger cache. WiredTiger

WiredTiger Storage Engine - Database Manual - MongoDB Docs Docs Menu Ask MongoDB AI Docs Home / Management / Storage Engines Docs Home / Management / Storage Engines Docs Home / Management / Storage Engines WiredTiger Storage Engine Copy page The WiredTiger storage engine is the default storage engine. For existing deployments, if you do not specify the --storageEngine or the storage.engine setting, the mongod instance can automatically determine the storage engine used to create the data files in the --dbpath or storage.dbPath . Deployments hosted in the following environments can use the Wir

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