[Xymon] graph shows incorrect data
Jeremy Laidman
jlaidman at rebel-it.com.au
Wed Sep 18 07:38:55 CEST 2013
I think you need to send the data in at 300 second intervals rather than 5
second intervals. I think this is a constraint in RRD under the default
settings, but you might be able to tweak the RRD file parameters to support
5-second intervals.
J
On 11 September 2013 01:58, Naveen Kumar Venkatesh <naveen20 at gmail.com>wrote:
> I see all NAN values mostly in RRD dump, database tag has only NAN values
> towards the end there are a couple of entries.
>
> ========
> <?xml version="1.0" encoding="utf-8"?>
> <!DOCTYPE rrd SYSTEM "http://oss.oetiker.ch/rrdtool/rrdtool.dtd">
> <!-- Round Robin Database Dump -->
> <rrd>
> <version>0003</version>
> <step>5</step> <!-- Seconds -->
> <lastupdate>1378803140</lastupdate> <!-- 2013-09-10 14:22:20 IST
> -->
>
> <ds>
> <name> EdenCapacity </name>
> <type> GAUGE </type>
> <minimal_heartbeat>600</minimal_heartbeat>
> <min>NaN</min>
> <max>NaN</max>
>
> <!-- PDP Status -->
> <last_ds>1080.8058240</last_ds>
> <value>0.0000000000e+00</value>
> <unknown_sec> 0 </unknown_sec>
> </ds>
>
> <ds>
> <name> EdenUsed </name>
> <type> GAUGE </type>
> <minimal_heartbeat>600</minimal_heartbeat>
> <min>NaN</min>
> <max>NaN</max>
>
> <!-- PDP Status -->
> <last_ds>925.8422071</last_ds>
> <value>0.0000000000e+00</value>
> <unknown_sec> 0 </unknown_sec>
> </ds>
>
> <ds>
> <name> OldCapacity </name>
> <type> GAUGE </type>
> <minimal_heartbeat>600</minimal_heartbeat>
> <min>NaN</min>
> <max>NaN</max>
>
> <!-- PDP Status -->
> <last_ds>2744.8243200</last_ds>
> <value>0.0000000000e+00</value>
> <unknown_sec> 0 </unknown_sec>
> </ds>
>
> <ds>
> <name> OldUsed </name>
> <type> GAUGE </type>
> <minimal_heartbeat>600</minimal_heartbeat>
> <min>NaN</min>
> <max>NaN</max>
>
> <!-- PDP Status -->
> <last_ds>71.9669758</last_ds>
> <value>0.0000000000e+00</value>
> <unknown_sec> 0 </unknown_sec>
> </ds>
>
> <ds>
> <name> PermCapacity </name>
> <type> GAUGE </type>
> <minimal_heartbeat>600</minimal_heartbeat>
> <min>NaN</min>
> <max>NaN</max>
>
> <!-- PDP Status -->
> <last_ds>71.4915180</last_ds>
> <value>0.0000000000e+00</value>
> <unknown_sec> 0 </unknown_sec>
> </ds>
>
> <ds>
> <name> PermUsed </name>
> <type> GAUGE </type>
> <minimal_heartbeat>600</minimal_heartbeat>
> <min>NaN</min>
> <max>NaN</max>
>
> <!-- PDP Status -->
> <last_ds>43.1139397</last_ds>
> <value>0.0000000000e+00</value>
> <unknown_sec> 0 </unknown_sec>
> </ds>
>
> <!-- Round Robin Archives -->
> <rra>
> <cf>AVERAGE</cf>
> <pdp_per_row>60</pdp_per_row> <!-- 300 seconds -->
>
> <params>
> <xff>8.0000000000e-03</xff>
> </params>
> <cdp_prep>
> <ds>
> <primary_value>1.0808058240e+03</primary_value>
> <secondary_value>1.0808058240e+03</secondary_value>
> <value>3.0262563072e+04</value>
> <unknown_datapoints>0</unknown_datapoints>
> </ds>
> <ds>
> <primary_value>5.1726153244e+02</primary_value>
> <secondary_value>4.0509877902e+02</secondary_value>
> <value>1.6706572956e+04</value>
> <unknown_datapoints>0</unknown_datapoints>
> </ds>
> <ds>
> <primary_value>2.7448243200e+03</primary_value>
> <secondary_value>2.7448243200e+03</secondary_value>
> <value>7.6855080960e+04</value>
> <unknown_datapoints>0</unknown_datapoints>
> </ds>
> <ds>
> <primary_value>7.1702997275e+01</primary_value>
> <secondary_value>7.1845440640e+01</secondary_value>
> <value>2.0134710311e+03</value>
> <unknown_datapoints>0</unknown_datapoints>
> </ds>
> <ds>
> <primary_value>7.1491518000e+01</primary_value>
> <secondary_value>7.1491518000e+01</secondary_value>
> <value>2.0017625040e+03</value>
> <unknown_datapoints>0</unknown_datapoints>
> </ds>
> <ds>
> <primary_value>4.3105932400e+01</primary_value>
> <secondary_value>4.3105932400e+01</secondary_value>
> <value>1.2071230503e+03</value>
> <unknown_datapoints>0</unknown_datapoints>
> </ds>
> </cdp_prep>
> <database>
> <!-- 2013-09-08 14:25:00 IST / 1378630500 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 14:30:00 IST / 1378630800 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 14:35:00 IST / 1378631100 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 14:40:00 IST / 1378631400 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 14:45:00 IST / 1378631700 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 14:50:00 IST / 1378632000 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 14:55:00 IST / 1378632300 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 15:00:00 IST / 1378632600 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 15:05:00 IST / 1378632900 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 15:10:00 IST / 1378633200 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> <!-- 2013-09-08 15:15:00 IST / 1378633500 -->
> <row><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v><v>NaN</v></row>
> ========
>
>
>
> On Tue, Sep 10, 2013 at 7:21 PM, Naveen Kumar Venkatesh <
> naveen20 at gmail.com> wrote:
>
>> Hi,
>> I am new to Xymon. I have setup Xymon to monitor my performance servers.
>> I have written custom scripts to collect some specific data, and added it
>> to clientlaunch.cfg to run at every 5 second interval
>>
>> [gc]
>> ENVFILE $XYMONCLIENTHOME/etc/xymonclient.cfg
>> CMD $XYMONCLIENTHOME/ext/gc_stats.sh
>> LOGFILE $XYMONCLIENTHOME/tmp/msg.gc_stats.log
>> INTERVAL 5
>>
>> gc_stats.sh looks like this.
>> ======================
>> pid=`pgrep rdu`
>> #Fact=1024.0
>> Fact=0.0009765
>> gc=`/opt/jdk1.6.0_24/bin/jstat -gc ${pid} |tail -1`
>> IFS=' '
>> read -a array <<< "$gc"
>> EdenCap=${array[4]}
>> EdenUsed=${array[5]}
>> OldCap=${array[6]}
>> OldUsed=${array[7]}
>> PermCap=${array[8]}
>> PermUsed=${array[9]}
>>
>> EdenCap=`echo "$EdenCap * $Fact"|bc`
>> EdenUsed=`echo "$EdenUsed * $Fact"|bc`
>> OldCap=`echo "$OldCap * $Fact"|bc`
>> OldUsed=`echo "$OldUsed * $Fact"|bc`
>> PermCap=`echo "$PermCap * $Fact"|bc`
>> PermUsed=`echo "$PermUsed * $Fact"|bc`
>>
>> COLOR=green
>> COLUMN=HeapStats
>>
>> MSG="EdenCapacity: ${EdenCap}
>> EdenUsed: ${EdenUsed}
>> OldCapacity: ${OldCap}
>> OldUsed: ${OldUsed}
>> PermCapacity: ${PermCap}
>> PermUsed: ${PermUsed}
>> "
>>
>> # Tell Xymon about it
>> $XYMON $XYMSRV "status $MACHINE.$COLUMN $COLOR `date`
>>
>> ${MSG}
>> "
>>
>> exit 0
>> ========================================
>> On the server side, I have added the following in xymonserver.cfg
>> -------------------------
>>
>> TEST2RRD="cpu=la,disk,inode,qtree,memory,$PINGCOLUMN=tcp,http=tcp,dns=tcp,dig=tcp,time=ntpstat,vmstat,iostat,netstat,temperature,apache,bind,sendmail,mailq,nmailq=mailq,socks,bea,iishealth,citrix,bbgen,bbtest,bbproxy,hobbitd,files,procs=processes,ports,clock,lines,ops,stats,cifs,JVM,JMS,HitCache,Session,JDBCConn,ExecQueue,JTA,TblSpace,RollBack,MemReq,InvObj,snapmirr,snaplist,snapshot,if_load=devmon,temp=devmon,paging,mdc,mdchitpct,cics,dsa,getvis,maxuser,nparts,xymongen,xymonnet,xymonproxy,xymond,HeapStats=ncv"
>>
>>
>> NCV_HeapStats="EdenCapacity:GAUGE,EdenUsed:GAUGE,OldCapacity:GAUGE,OldUsed:GAUGE,PermCapacity:GAUGE,PermUsed:GAUGE"
>>
>>
>> GRAPHS="la,disk,inode,qtree,files,processes,memory,users,vmstat,iostat,tcp.http,tcp,ncv,netstat,ifstat,mrtg::1,ports,temperature,ntpstat,apache,bind,sendmail,mailq,socks,bea,iishealth,citrix,bbgen,bbtest,bbproxy,hobbitd,clock,lines,ops,stats,cifs,JVM,JMS,HitCache,Session,JDBCConn,ExecQueue,JTA,TblSpace,RollBack,MemReq,InvObj,snapmirr,snaplist,snapshot,devmon::1,if_load::1,temp,paging,mdc,mdchitpct,cics,dsa,getvis,maxuser,nparts,xymongen,xymonnet,xymonproxy,xymond,HeapStats"
>> ----------------------------
>>
>> I have added the below in graphs.cfg
>> ==============================
>> [HeapStats]
>> TITLE HeapStats info
>> YAXIS MegaBytes
>> -l 0.000
>> DEF:EdenUsed=HeapStats.rrd:EdenUsed:AVERAGE
>> DEF:EdenCapacity=HeapStats.rrd:EdenCapacity:AVERAGE
>> DEF:OldCapacity=HeapStats.rrd:OldCapacity:AVERAGE
>> DEF:OldUsed=HeapStats.rrd:OldUsed:AVERAGE
>> DEF:PermCapacity=HeapStats.rrd:PermCapacity:AVERAGE
>> DEF:PermUsed=HeapStats.rrd:PermUsed:AVERAGE
>> LINE1:EdenCapacity#FF0000: EdenCapacity
>> LINE2:EdenUsed#808080: EdenUsed
>> LINE3:OldCapacity#00CC00: OldCapacity
>> LINE4:OldUsed#00CCCC: OldUsed
>> LINE5:PermCapacity#FFFF00: PermCapacity
>> LINE6:PermUsed#CFFFF0: PermUsed
>> COMMENT:\n
>> GPRINT:EdenCapacity:LAST:EdenCapacity \: %5.1lf (cur)
>> GPRINT:EdenCapacity:MAX: \: %5.1lf (max)
>> GPRINT:EdenCapacity:MIN: \: %5.1lf (min)
>> GPRINT:EdenCapacity:AVERAGE: \: %5.1lf (avg)\n
>> COMMENT:\n
>> GPRINT:EdenUsed:LAST:EdenUsed \: %5.1lf (cur)
>> GPRINT:EdenUsed:MAX: \: %5.1lf (max)
>> GPRINT:EdenUsed:MIN: \: %5.1lf (min)
>> GPRINT:EdenUsed:AVERAGE: \: %5.1lf (avg)\n
>> COMMENT:\n
>> GPRINT:OldCapacity:LAST:OldCapacity \: %5.1lf (cur)
>> GPRINT:OldCapacity:MAX: \: %5.1lf (max)
>> GPRINT:OldCapacity:MIN: \: %5.1lf (min)
>> GPRINT:OldCapacity:AVERAGE: \: %5.1lf (avg)\n
>> COMMENT:\n
>> GPRINT:OldUsed:LAST:OldUsed \: %5.1lf (cur)
>> GPRINT:OldUsed:MAX: \: %5.1lf (max)
>> GPRINT:OldUsed:MIN: \: %5.1lf (min)
>> GPRINT:OldUsed:AVERAGE: \: %5.1lf (avg)\n
>> COMMENT:\n
>> GPRINT:PermCapacity:LAST:PermCapacity \: %5.1lf (cur)
>> GPRINT:PermCapacity:MAX: \: %5.1lf (max)
>> GPRINT:PermCapacity:MIN: \: %5.1lf (min)
>> GPRINT:PermCapacity:AVERAGE: \: %5.1lf (avg)\n
>> COMMENT:\n
>> GPRINT:PermUsed:LAST:PermUsed \: %5.1lf (cur)
>> GPRINT:PermUsed:MAX: \: %5.1lf (max)
>> GPRINT:PermUsed:MIN: \: %5.1lf (min)
>> GPRINT:PermUsed:AVERAGE: \: %5.1lf (avg)\n
>> ============================
>>
>> In the HeapStats (column) page, I see the latest values obtained in the
>> text message like this.
>> =========
>> Tue Sep 10 12:15:48 IST 2013
>>
>> EdenCapacity: 1080.8058240
>> EdenUsed: 1053.1013472
>> OldCapacity: 2744.8243200
>> OldUsed: 91.4092861
>> PermCapacity: 44.9346240
>> PermUsed: 44.7480148
>>
>>
>> ============
>>
>> But, when it comes to graph it is showing stale data always. It is not reflecting the latest data
>> [image: xymongraph ncv:HeapStats]
>>
>>
>> ======
>>
>> Sorry for the long mail. Could some one help me with this? I want all the data being collected to be persisted in the rrd files.
>>
>> Any help is very much appreciated.
>>
>> Thanks,
>>
>>
>> NV
>>
>>
>>
>
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