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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
.