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Administration ReferenceΒΆ

UNIX ulimit Settings
Describes user resources limits (i.e. ulimit) and introduces the considerations and optimal configurations for systems that run MongoDB deployments.
System Collections
Introduces the internal collections that MongoDB uses to track per-database metadata, including indexes, collections, and authentication credentials.
Database Profiler Output
Describes the data collected by MongoDB’s operation profiler, which introspects operations and reports data for analysis on performance and behavior.
Server Status Output
Provides an example and a high level overview of the output of the serverStatus command.
Describes the internal operation of MongoDB’s journaling facility and outlines how the journal allows MongoDB to provide provides durability and crash resiliency.
Exit Codes and Statuses
Lists the unique codes returned by mongos and mongod processes upon exit.