Mmapv1

WARNING: Support for MMAPV1 storage engine has been deprecated and will be removed in version 4.2. Please plan to migrate to the wiredTiger

mongod --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=mmapv1

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