pmdamysql - Online in the Cloud

PROGRAM:

NAME

pmdamysql - MySQL database PMDA

DESCRIPTION

pmdamysql is a Performance Co-Pilot PMDA which extracts live performance data from a
running MySQL database.

INSTALLATION

pmdamysql uses a configuration file from (in this order):

· /etc/pcpdbi.conf

· $PCP_PMDAS_DIR/mysql/mysql.conf

This file can contain overridden values (Perl code) for the settings listed at the start
of pmdamysql.pl, namely:

· database name (see DBI(3) for details)

· database username

Once this is setup, you can access the names and values for the mysql performance metrics
by doing the following as root:

# cd $PCP_PMDAS_DIR/mysql
# ./Install

To uninstall, do the following as root:

# cd $PCP_PMDAS_DIR/mysql
# ./Remove

pmdamysql is launched by pmcd(1) and should never be executed directly. The Install and
Remove scripts notify pmcd(1) when the agent is installed or removed.

Binary Status values in text

Some of the status values are in the form of YES/NO or ON/OFF.

Since these cannot be intepreted by tools like pmie(1), they have been duplicated with a
_num extension and the values of 1 (YES/ON) or 0 (NO/OFF).

Eg:
· mysql.slave_status.slave_io_running

· mysql.slave_status.slave_io_running_num

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