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Display the number of connections to a MySQL Database

Terminal - Display the number of connections to a MySQL Database
mysql -u root -p -BNe "select host,count(host) from processlist group by host;" information_schema
2011-12-22 10:35:23
User: flatcap
6
Display the number of connections to a MySQL Database

Count the number of active connections to a MySQL database.

The MySQL command "show processlist" gives a list of all the active clients.

However, by using the processlist table, in the information_schema database, we can sort and count the results within MySQL.

Alternatives

There are 8 alternatives - vote for the best!

Terminal - Alternatives
mysql -NBe 'show global status like "Threads_connected";' | cut -f2
mysql -u root -p -e"show processlist;"|awk '{print $3}'|awk -F":" '{print $1}'|sort|uniq -c
2011-12-22 05:37:36
User: prasadwani
Functions: awk uniq
Tags: mysql
0

This command will help you to find how many number of connection are made to given mysql and what are the different hosts connected to it with number of connection they are making.

mysql -u root -p -N -e"show processlist\G;" | egrep "Host\:" | awk -F: '{ print $2 }' | sort | uniq -c

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