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MongoDB Package Components¶
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Core Processes¶
The core components in the MongoDB package are: mongod,
the core database process; mongos the controller and query
router for sharded clusters; and
mongo the interactive MongoDB Shell.
Windows Services¶
The mongod.exe and mongos.exe describe the
options available for configuring MongoDB when running as a Windows
Service. The mongod.exe and mongos.exe binaries
provide a superset of the mongod and mongos
options.
Binary Import and Export Tools¶
mongodump provides a method for creating BSON
dump files from the mongod instances, while
mongorestore makes it possible to restore these
dumps. bsondump converts BSON dump files into
JSON. The mongooplog utility provides the ability
to stream oplog entries outside of normal replication.
Data Import and Export Tools¶
mongoimport provides a method for taking data in JSON,
CSV, or TSV and importing it into a mongod
instance. mongoexport provides a method to export data from
a mongod instance into JSON, CSV, or TSV.
Note
The conversion between BSON and other formats lacks full
type fidelity. Therefore you cannot use mongoimport and
mongoexport for round-trip import and export operations.
Diagnostic Tools¶
mongostat, mongotop, and mongosniff
provide diagnostic information related to the current operation of a
mongod instance.
Note
Because mongosniff depends on libpcap, most distributions of MongoDB do not include
mongosniff.