.TH MONGOSTAT "1" "March 2010" "10gen" "Mongo Database" .SH "NAME" mongostat \- view statistics on a running mongod instance .SH "SYNOPSIS" \fBmongostat [\fIOPTIONS\fR] [\fISLEEP TIME\fR] .SH "DESCRIPTION" .PP \fBmongostat\fR prints statistics on a running mongod instance. [\fISLEEP TIME\fR] is time to wait (in seconds) between calls to servers .SH "OPTIONS" .TP .B \-\-help produce help message .TP .B \-\-version show version information .TP .B \-v, \-\-verbose be more verbose (include multiple times for more verbosity e.g. \-vvvvv) .TP .B \-h, \-\-host arg mongo host to connect to ( /s1,s2 for sets) .TP .B \-\-port arg server port. Can also use \-\-host hostname:port .TP .B \-\-ipv6 enable IPv6 support (disabled by default) .TP .B \-u, \-\-username arg username .TP .B \-p, \-\-password arg password .TP .B \-\-noheaders don't output column names .TP .B \-n, \-\-rowcount arg number of stats lines to print (0 for indefinite) .TP .B \-\-http use http instead of raw db connection .TP .B \-\-discover discover nodes and display stats for all .TP .B \-\-all all optional fields .SH "FIELDS" .TP .B inserts # of inserts per second .TP .B query # of queries per second .TP .B update # of updates per second .TP .B delete # of deletes per second .TP .B getmore # of get mores (cursor batch) per second .TP .B command # of commands per second .TP .B flushes # of fsync flushes per second .TP .B mapped amount of data mmaped (total data size) megabytes .TP .B visze virtual size of process in megabytes .TP .B res resident size of process in megabytes .TP .B faults # of pages faults per sec (linux only) .TP .B locked percent of time in global write lock .TP .B idx percent of btree page misses (sampled) .TP .B qr queue lengths for clients waiting (read|write) .TP .B ar active clients (read|write) .TP .B netIn network traffic in - bits .TP .B netOut network traffic out - bits .TP .B conn number of open connections .SH "COPYRIGHT" .PP Copyright 2011 10gen .SH "SEE ALSO" For more information, please refer to the MongoDB wiki, available at http://www.mongodb.org. .SH "AUTHOR" Eliot Horowitz