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NCV rrd help

list Dan Vande More
Wed, 6 Dec 2006 17:02:08 -0600
Message-Id: <user-809c9ac8a83d@xymon.invalid>

Ok, that looks good.

This might be stupid, but according to this:

http://oss.oetiker.ch/rrdtool/tut/cdeftutorial.en.html

Your DEF lines should be of the format:

DEF:var_name_1=some.rrd:ds_name:CF

But in your case you have:


DEF:serverhttpbitsin=squid.rrd:IN:AVERAGE
DEF:serverhttpbitsout=squid.rrd:OUT:AVERAGE
DEF:numberofclients=squidclients.rrd:clients:AVERAGE

Where you seem to have an odd $ds_name

Where did IN, OUT, and clients come from? Your rrds says your ds names
are numberofclients, serverhttpbitsin, serverhttpbitsout.

It seems this is your problem. Forgive me if it's not, I've only
recently gained a rudimentary understanding of how CDEFs work, their
complexity has overwhelmed me far too long than I care to admit.

Dan


On 12/6/06, Alun Watson <user-c0c80eb1ea73@xymon.invalid> wrote:
 Yes, sorry I forgot to include that thanks Dan.

"squidclients.rrd"
<rrd>
        <version> 0001 </version>
        <step> 300 </step> <!-- Seconds -->
        <lastupdate> 1165444691 </lastupdate> <!-- 2006-12-07 11:38:11
NZDT -->

        <ds>
                <name> numberofclients </name>
                <type> GAUGE </type>
                <minimal_heartbeat> 600 </minimal_heartbeat>
                <min> 0.0000000000e+00 </min>
                <max> NaN </max>

                <!-- PDP Status -->
                <last_ds> UNKN </last_ds>
                <value> 4.7750000000e+03 </value>
                <unknown_sec> 0 </unknown_sec>
        </ds>

<!-- Round Robin Archives -->
        <rra>
                <cf> AVERAGE </cf>
                <pdp_per_row> 1 </pdp_per_row> <!-- 300 seconds -->
                <xff> 5.0000000000e-01 </xff>

                <cdp_prep>
                        <ds><value> NaN </value>  <unknown_datapoints> 0
</unkno
wn_datapoints></ds>
                </cdp_prep>
                <database>
<snip>
                        <!-- 2006-12-07 10:55:00 NZDT / 1165442100 -->
<row><v>
2.8000000000e+01 </v></row>
                        <!-- 2006-12-07 11:00:00 NZDT / 1165442400 -->
<row><v>
2.8000000000e+01 </v></row>
                        <!-- 2006-12-07 11:05:00 NZDT / 1165442700 -->
<row><v>
2.8000000000e+01 </v></row>
                        <!-- 2006-12-07 11:10:00 NZDT / 1165443000 -->
<row><v>
2.8000000000e+01 </v></row>
                        <!-- 2006-12-07 11:15:00 NZDT / 1165443300 -->
<row><v>
2.8000000000e+01 </v></row>
                        <!-- 2006-12-07 11:20:00 NZDT / 1165443600 -->
<row><v>
2.8000000000e+01 </v></row>
                        <!-- 2006-12-07 11:25:00 NZDT / 1165443900 -->
<row><v>
2.7226666667e+01 </v></row>
                        <!-- 2006-12-07 11:30:00 NZDT / 1165444200 -->
<row><v>
2.6000000000e+01 </v></row>
                        <!-- 2006-12-07 11:35:00 NZDT / 1165444500 -->
<row><v>
2.5630000000e+01 </v></row>
                </database>
        </rra>

*and*

"squid.rrd"
<!-- Round Robin Database Dump -->
<rrd>
        <version> 0001 </version>
        <step> 300 </step> <!-- Seconds -->
        <lastupdate> 1165444993 </lastupdate> <!-- 2006-12-07 11:43:13
NZDT -->

        <ds>
                <name> serverhttpbitsin </name>
                <type> GAUGE </type>
                <minimal_heartbeat> 600 </minimal_heartbeat>
                <min> 0.0000000000e+00 </min>
                <max> NaN </max>

                <!-- PDP Status -->
                <last_ds> UNKN </last_ds>
                <value> 7.2362069000e+06 </value>
                <unknown_sec> 0 </unknown_sec>
        </ds>

        <ds>
                <name> serverhttpbitsout </name>
                <type> GAUGE </type>
                <minimal_heartbeat> 600 </minimal_heartbeat>
                <min> 0.0000000000e+00 </min>
                <max> NaN </max>

                <!-- PDP Status -->
                <last_ds> UNKN </last_ds>
                <value> 1.6353314600e+06 </value>
                <unknown_sec> 0 </unknown_sec>
        </ds>

<!-- Round Robin Archives -->
        <rra>
                <cf> AVERAGE </cf>
                <pdp_per_row> 1 </pdp_per_row> <!-- 300 seconds -->
                <xff> 5.0000000000e-01 </xff>

                <cdp_prep>
                        <ds><value> NaN </value>  <unknown_datapoints> 0
</unkno
wn_datapoints></ds>
                        <ds><value> NaN </value>  <unknown_datapoints> 0
</unkno
wn_datapoints></ds>
                </cdp_prep>
                <database>
                        <!-- 2006-12-07 11:00:00 NZDT / 1165442400 -->
<row><v>
4.6487035333e+04 </v><v> 3.9878262000e+03 </v></row>
                        <!-- 2006-12-07 11:05:00 NZDT / 1165442700 -->
<row><v>
2.5109441667e+04 </v><v> 2.4132633333e+03 </v></row>
                        <!-- 2006-12-07 11:10:00 NZDT / 1165443000 -->
<row><v>
2.1550620000e+04 </v><v> 2.9452312000e+03 </v></row>
                        <!-- 2006-12-07 11:15:00 NZDT / 1165443300 -->
<row><v>
2.9355680000e+04 </v><v> 5.5077820000e+03 </v></row>
                        <!-- 2006-12-07 11:20:00 NZDT / 1165443600 -->
<row><v>
2.9281812000e+04 </v><v> 5.2234711600e+03 </v></row>
                        <!-- 2006-12-07 11:25:00 NZDT / 1165443900 -->
<row><v>
2.2204549333e+04 </v><v> 1.9156342133e+03 </v></row>
                        <!-- 2006-12-07 11:30:00 NZDT / 1165444200 -->
<row><v>
3.1672078000e+04 </v><v> 3.8617092000e+03 </v></row>
                        <!-- 2006-12-07 11:35:00 NZDT / 1165444500 -->
<row><v>
2.9816217333e+04 </v><v> 4.3961993333e+03 </v></row>
                        <!-- 2006-12-07 11:40:00 NZDT / 1165444800 -->
<row><v>
3.5447117000e+04 </v><v> 6.5455652333e+03 </v></row>
                </database>
        </rra>


*From:* Dan Vande More [mailto:user-f3c4c62d9d50@xymon.invalid]
*Sent:* Thursday, 7 December 2006 11:37
*To:* user-ae9b8668bcde@xymon.invalid
*Subject:* Re: [hobbit] NCV rrd help

Does your rrd have any data in it? (rrdtool dump foo.rrd)

On 12/6/06, Alun Watson <user-c0c80eb1ea73@xymon.invalid> wrote:
 Hello,
        I was hoping that you guy's might be able to suggest why my NCV
is not displaying. I get links on the both the trends webpage and the new
report page.
I've set up script that reports
squid

serverhttpbitsin : 38871.2
serverhttpbitsout : 8186.26

and squidclients


numberofclients:28


I've entered into "hobbitserver.cfg"

TEST2RRD="cpu=la<snip>,squid=ncv,squidclients=ncv"
GRAPHS="la,<snip>,ncv,squid,squidclients"
NCV_squid="serverhttpbitsin:GAUGE,serverhttpbitsout:GAUGE,*:NONE"
NCV_squidclients="numberofclients:GAUGE,*:NONE"

"hobbitgraph.cfg"
[squid]
        TITLE Squid IN-OUT
        YAXIS # bits
        DEF:serverhttpbitsin=squid.rrd:IN:AVERAGE
        DEF:serverhttpbitsout=squid.rrd:OUT:AVERAGE
        LINE2:IN#555555:IN_Traffic
        LINE2:OUT#880000:OUT_Traffic
        COMMENT:\n
        GPRINT:IN:LAST:IN_Traffic \: %5.1lf%s (cur)
        GPRINT:IN:MAX: \: %5.1lf%s (max)
        GPRINT:IN:MIN: \: %5.1lf%s (min)
        GPRINT:IN:AVERAGE: \: %5.1lf%s (avg)\n
        GPRINT:OUT:LAST:OUT_Traffic \: %5.1lf%s (cur)
        GPRINT:OUT:MAX: \: %5.1lf%s (max)
        GPRINT:OUT:MIN: \: %5.1lf%s (min)
        GPRINT:OUT:AVERAGE: \: %5.1lf%s (avg)\n
[squidclients]
        TITLE Squid Clients
        YAXIS # count
        DEF:numberofclients=squidclients.rrd:clients:AVERAGE
        LINE2:clients#880000:Number_of_clients
        COMMENT:\n
        GPRINT:clients:LAST:Number_of_clients \: %5.1lf%s (cur)
        GPRINT:clients:MAX: \: %5.1lf%s (max)
        GPRINT:clients:MIN: \: %5.1lf%s (min)
        GPRINT:clients:AVERAGE: \: %5.1lf%s (avg)\n