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NAME | DESCRIPTION | INSTALLATION | FILES | PCP ENVIRONMENT | SEE ALSO | COLOPHON |
PMDABIND2(1) General Commands Manual PMDABIND2(1)
pmdabind2 - BIND performance metrics domain agent (PMDA)
This PMDA extracts performance data from BIND (Berkeley Internet Name
Domain). It enables collection of most of the statistics metrics
from the Bind server version 9 or later, which includes:
· overall memory statistics
· overall per-query statistics (general queries, EDNS/truncated
responses, Update/Notify/AXFR/IXFR messages)
· overall error statistics (Rejected, SERVFAIL, Update/XFR failures
...)
· overall statistics per transport protocol, EDNS and per version of
IP protocol
· resolver statistics (successes, errors, round-trip times in several
ranges)
· detailed per-socket statistics with respect to the transport
protcol and IP version including errors
· detailed per-file-descriptor statistics including errors
The PMDA performs per-second collection of the whole data set (148
metrics on the test environment) with modest requirements (2% CPU
usage on Intel i7-4700MQ @2.4 GHz, cca 30 MB RAM).
If more than 1 requests/sec is performed, the memoized values are
used so that the statistics interface of the Bind server does not get
overloaded.
Configure BIND to export XML statistics via its REST interface. This
requires BIND configuration to enable statistics exporting locally
(at least).
statistics-channels {
inet 127.0.0.1 port 8080 allow { 127.0.0.1; };
}
options { zone-statistics yes; }
The hostname (localhost), port (8080 above) and other configuration
information must be specified in both the BIND configuration file as
well as the $PCP_PMDAS_DIR/bind2/bind2.conf file.
# cd $PCP_PMDAS_DIR/bind2
# [ edit bind2.conf ]
host=localhost.localdomain:8080
Once this is setup, you can access the names and values for the bind2
performance metrics by doing the following as root:
# cd $PCP_PMDAS_DIR/bind2
# ./Install
To uninstall, do the following as root:
# cd $PCP_PMDAS_DIR/bind2
# ./Remove
pmdabind2 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.
$PCP_PMDAS_DIR/bind2/bind2.conf
mandatory configuration file listing monitored bind2 instances
$PCP_PMDAS_DIR/bind2/Install
installation script for the pmdabind2 agent
$PCP_PMDAS_DIR/bind2/Remove
undo installation script for the pmdabind2 agent
$PCP_LOG_DIR/pmcd/bind2.log
default log file for error messages from pmdabind2
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).
pmcd(1), pmdanamed(1), named.conf(5) and named(8).
This page is part of the PCP (Performance Co-Pilot) project.
Information about the project can be found at ⟨http://www.pcp.io/⟩.
If you have a bug report for this manual page, send it to
pcp@oss.sgi.com. This page was obtained from the project's upstream
Git repository ⟨git://git.pcp.io/pcp⟩ on 2017-07-05. If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail
to man-pages@man7.org
Performance Co-Pilot PCP PMDABIND2(1)