PM2 module to monitor a MySQL server with Keymetrics
pm2 install pm2-mysql
This module requires a MySQL install (tested against v5.6). Optionally, to monitor the DB disk Read/Write you will need
iostat located in the
To be able to display Slow Queries you first need to activate slow_query_log in MySQL via : Edit /etc/mysql/my.cnf and add : slow_query_log = '1'
and you need to set the log file path to a file your pm2 user has read access to : slow_query_log_file = '/var/log/mysql/slow-queries.log'
General Query Log
To be able to display the last queries, you need to enable the General Query Log via : general_log = '1'
and you need to set the log file path to a file your pm2 user has read access to : general_log_file = '/var/log/mysql/general.log'
localhost) : Set the hostname/ip of your mysql server
3306): Set the port of your mysql server
root): Set the user of your mysql server
none): Set the password of your mysql server
refreshRate(Defaults to 1000): Set the stats refresh rate (in milliseconds)
dbDiskName(Defaults to "sda"): Sets the name of the disk used by the database (used to fetch io stats)
slowQueriesLog(Defaults to "/var/log/mysql/slow-queries.log"): log file to fetch slow queries from
generalLog(Defaults to "/var/log/mysql/general.log"): log file to fetch last queries from
lastQueriesSize(Defaults to 100): number of lines to fetch from general log for last queries display
errorLog(Defaults to "/var/log/mysql/error.log"): error log file
lastErrorsSize(Defaults to 100): number of lines to fetch from error log for last errors display
How to set these values ?
After having installed the module you have to type :
pm2 set pm2-mysql:<key> <value>
pm2 set pm2-mysql:port 3307(set the mysql port to 3307)
pm2 set pm2-mysql:password keppo(use
keppoas password for your mysql server)
pm2 uninstall pm2-mysql