[rrd-users] rrd dbi syntx

John Stile john at stilen.com
Mon Mar 31 05:25:29 CEST 2014

I am having a hard time finding the syntax for using a dbi with rrdtool

rrdtool graph ./test.png --imgformat=PNG --start=-1day --end=+0hours --width=1000 --height=600 "DEF:min=sql//mysql/host=" "LINE1:min#FF0000:cpu0" 

ERROR: formatstring wrong - mysql

Table: echo 'describe temperature' | mysql -u'thermal' -p'thermal' -D

Field   Type    Null    Key     Default Extra
date    timestamp       NO      PRI     CURRENT_TIMESTAMP
cpuPhy  int(11) NO              0
cpu0    int(11) NO              0
cpu1    int(11) NO              0
cpu2    int(11) NO              0
cpu3    int(11) NO              0
disk0   int(11) NO              0
disk1   int(11) NO              0
disk2   int(11) NO              0
disk3   int(11) NO              0
board0  int(11) NO              0
board1  int(11) NO              0

The column 'date' is of type timestamp.
I am using gentoo Linux with rrdtool-1.4.8 and mysql-5.1.70.

eix rrdtool
[I] net-analyzer/rrdtool
     Available versions:  1.4.7-r1 (~)1.4.7-r2 1.4.8 {dbi doc +graph lua perl python rrdcgi ruby static-libs tcl tcpd PYTHON_TARGETS="python2_7"}
     Installed versions:  1.4.8(03:07:05 PM 03/30/2014)(dbi graph perl python rrdcgi static-libs tcpd -doc -lua -ruby -tcl PYTHON_TARGETS="python2_7")
     Homepage:            http://oss.oetiker.ch/rrdtool/
     Description:         A system to store and display time-series data

eix -I mysql
[I] dev-db/mysql
     Available versions:  [M]4.0.27-r1 [M]4.1.22-r1 [M]5.0.96 5.1.70 ~5.5.32 {berkdb big-tables cluster +community debug embedded extraengine jemalloc latin1 max-idx-128 minimal pbxt (+)perl profiling raid selinux ssl static systemtap tcmalloc test xtradb}
     Installed versions:  5.1.70(09:15:54 PM 03/22/2014)(community perl ssl -big-tables -cluster -debug -embedded -extraengine -latin1 -max-idx-128 -minimal -pbxt -profiling -selinux -static -test -xtradb)
     Homepage:            http://www.mysql.com/
     Description:         A fast, multi-threaded, multi-user SQL database server.

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