Mongodb数据库中mongostat工具用法监控复制集Primary节点 80.81.2.4 的状态

mongostat是mongoDB自带的工具，用于检测mongodb的运行状态。

Test:Test/node-131 / # mongostat --help

Usage:

mongostat <options> <polling interval in seconds>

Monitor basic MongoDB server statistics.

general options:

--help print usage

--version print the tool version and exit

verbosity options:

-v, --verbose=<level> more detailed log output (include multiple times for more verbosity, e.g. -vvvvv, or specify a numeric value, e.g. --verbose=N)

--quiet hide all log output

connection options:

-h, --host=<hostname> mongodb host to connect to (setname/host1,host2 for replica sets)

--port=<port> server port (can also use --host hostname:port)

ssl options:

--ssl connect to a mongod or mongos that has ssl enabled

--sslCAFile=<filename> the .pem file containing the root certificate chain from the certificate authority

--sslPEMKeyFile=<filename> the .pem file containing the certificate and key

--sslPEMKeyPassword=<password> the password to decrypt the sslPEMKeyFile, if necessary

--sslCRLFile=<filename> the .pem file containing the certificate revocation list

--sslAllowInvalidCertificates bypass the validation for server certificates

--sslAllowInvalidHostnames bypass the validation for server name

--sslFIPSMode use FIPS mode of the installed openssl library

authentication options:

-u, --username=<username> username for authentication

-p, --password=<password> password for authentication

--authenticationDatabase=<database-name> database that holds the users credentials

--authenticationMechanism=<mechanism> authentication mechanism to use

stat options:

--noheaders dont output column names

-n, --rowcount=<count> number of stats lines to print (0 for indefinite)

--discover discover nodes and display stats for all

--http use HTTP instead of raw db connection

--all all optional fields

--json output as JSON rather than a formatted table

举例：

mongostat -h 80.81.2.3 -p 27017 --rowcount 20 1

mongostat -h 80.81.2.3 -p 27017 -n 300 5

mongostat -h 80.81.2.4 -p 27017 -n 60 1 --json

mongostat -h aCloud/80.81.2.4,80.81.2.5,80.81.2.6 -p 27017 -n 60 1 >> mongostat_aCloud.log

Sangfor:aCloud/node-131 /var/lib/mongodb # mongostat -h 80.81.2.4 -p 27017 -n 60 1

insert query update delete getmore command % dirty % used flushes vsize res qr|qw ar|aw netIn netOut conn set repl time

4327 0 0 0 445 748|0 0.5 4.1 0 1.1G 437.0M 0|0 0|0 834k 1m 7 aCloud PRI 2016-07-21T20:56:48+08:00

3857 0 0 0 442 752|0 0.5 4.1 0 1.1G 438.0M 0|0 0|0 771k 1m 7 aCloud PRI 2016-07-21T20:56:49+08:00

结果解析：