Man page - pmdanutcracker(1)
Packages contains this manual
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apt-get install pcp
Manual
PMDANUTCRACKER
NAMEDESCRIPTION
INSTALLATION
FILES
PCP ENVIRONMENT
SEE ALSO
NAME
pmdanutcracker - NutCracker performance metrics domain agent (PMDA)
DESCRIPTION
This PMDA extracts performance data from NutCracker (or TwemProxy), a fast and lightweight proxy for memcached and Redis protocol.
INSTALLATION
Configure to export statistics via its stats interface (see --stats-port option to the nutcracker server). The corresponding configuration must be reflected in the $PCP_PMDAS_DIR/nutcracker/nutcracker.conf file.
# cd
$PCP_PMDAS_DIR/nutcracker
# [ edit nutcracker.conf ]
Once this is setup, you can access the names and values for the nutcracker performance metrics by doing the following as root:
# cd
$PCP_PMDAS_DIR/nutcracker
# ./Install
To uninstall, the following must be done as root:
# cd
$PCP_PMDAS_DIR/nutcracker
# ./Remove
pmdanutcracker 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.
FILES
$PCP_PMDAS_DIR/nutcracker/nutcracker.conf
mandatory configuration file listing monitored memcache or Redis instances
$PCP_PMDAS_DIR/nutcracker/Install
installation script for the pmdanutcracker agent
$PCP_PMDAS_DIR/nutcracker/Remove
undo installation script for the pmdanutcracker agent
$PCP_LOG_DIR/pmcd/nutcracker.log
default log file for error messages from pmdanutcracker
PCP ENVIRONMENT
Environment variables with the prefix PCP_ are used to parameterize the file and directory names used by PCP . On each installation, the file /etc/pcp.conf contains the local values for these variables. The $PCP_CONF variable may be used to specify an alternative configuration file, as described in pcp.conf (5).
SEE ALSO
PCPIntro (1), pmcd (1), pmdamemcache (1) and pmdaredis (1).