Re: [squid-users] Advise on what to monitor using MRTG

Hi,

SNMP entries in squid.conf:

acl snmppublic snmp_community public
snmp_port 3401
snmp_incoming_address 10.0.0.22
snmp_access allow snmppublic all
client_db on

Entries in mrtg-squid.cfg:

Target[cacheClientHttpRequests]:
cacheClientHttpRequests&cacheClientHttpRequests:public@localhost:3401
MaxBytes[cacheClientHttpRequests]: 10000000
Title[cacheClientHttpRequests]: Client Http Requests @ Proxy Server
Options[cacheClientHttpRequests]: growright, nopercent
PageTop[cacheClientHttpRequests]: <H1>Client Http Requests @ Proxy
Server</H1>
YLegend[cacheClientHttpRequests]: requests/sec
ShortLegend[cacheClientHttpRequests]: req/s
LegendI[cacheClientHttpRequests]: Requests&nbsp;
LegendO[cacheClientHttpRequests]:
Legend1[cacheClientHttpRequests]: Requests
Legend2[cacheClientHttpRequests]:

Target[cacheCurrentLRUExpiration]:
cacheCurrentLRUExpiration&cacheCurrentLRUExpiration:public@localhost:3401
MaxBytes[cacheCurrentLRUExpiration]: 1000000000
Title[cacheCurrentLRUExpiration]: LRU Expiration Age
Options[cacheCurrentLRUExpiration]: gauge, growright, nopercent
PageTop[cacheCurrentLRUExpiration]: <H1>Storage LRU Expiration Age @ Proxy
Server</H1>
YLegend[cacheCurrentLRUExpiration]: expir (days)
ShortLegend[cacheCurrentLRUExpiration]: days
LegendI[cacheCurrentLRUExpiration]: Age&nbsp;
LegendO[cacheCurrentLRUExpiration]:
Legend1[cacheCurrentLRUExpiration]: Age
Legend2[cacheCurrentLRUExpiration]:

The SNMP error when cacheClientHttpRequests and cacheCurrentLRUExpiration
are being turned on.

SNMP Error:
Received SNMP response with error code
  error status: noSuchName
  index 1 (OID: 1.3.6.1.4.1.3495.1.5.2.1.2)
SNMPv1_Session (remote host: "Server1" [10.0.0.22].3401)
                  community: "public"
                 request ID: 258813549
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
at /usr/local/mrtg/bin/../lib/mrtg2/SNMP_util.pm line 490
SNMPGET Problem for cacheClientHttpRequests cacheClientHttpRequests
cacheUptime cacheSoftware cacheVersionId on public@10.0.0.22:3401:::::v4only
at ../bin/mrtg line 2150
Use of uninitialized value in concatenation (.) or string at ../bin/mrtg
line 2166.
Use of uninitialized value in concatenation (.) or string at ../bin/mrtg
line 2166.
2007-06-29 13:14:12: WARNING: Expected a number but got '0:00:00'
2007-06-29 13:14:12: WARNING: Expected a number but got '0:00:00'
2007-06-29 13:14:12: ERROR: Target[cacheclienthttprequests][_IN_] '
$target->[3]{$mode} ' did not eval into defined data
2007-06-29 13:14:12: ERROR: Target[cacheclienthttprequests][_OUT_] '
$target->[3]{$mode} ' did not eval into defined data
2007-06-29 13:14:12: ERROR: Target[cachecurrentlruexpiration][_IN_] '
$target->[19]{$mode} ' did not eval into defined data
2007-06-29 13:14:12: ERROR: Target[cachecurrentlruexpiration][_OUT_] '
$target->[19]{$mode} ' did not eval into defined data

Regards.

>From: Tek Bahadur Limbu <teklimbu@wlink.com.np>
>To: "squid squid" <squidusr@hotmail.com>
>CC: squid-users@squid-cache.org
>Subject: Re: [squid-users] Advise on what to monitor using MRTG
>Date: Sun, 1 Jul 2007 14:41:53 +0545
>
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>On Fri, 29 Jun 2007 16:08:08 +0800
>"squid squid" <squidusr@hotmail.com> wrote:
>
> > Hi,
> >
> > Thank you for the reply.
> >
> > Kindly advise what would be the matching MRTG graphs plotting that I
>should
> > set for the graphs that you have.
> >
> > Kindly also advise on the SNMP error that I have and how can it be
>resolved.
> >
>
>Hi,
>
>Can you post us the relevant SNMP entries from your squid.conf?
>
>Thanking you...
>
>
> > Regards.
> >
> >
> > >From: Henrik Nordstrom <henrik@henriknordstrom.net>
> > >To: squid squid <squidusr@hotmail.com>
> > >CC: squid-users@squid-cache.org
> > >Subject: Re: [squid-users] Advise on what to monitor using MRTG
> > >Date: Fri, 29 Jun 2007 09:31:59 +0200
> > >
> > >On Fri, 2007-06-29 at 13:20 +0800, squid squid wrote:
> > > > Hi,
> > > >
> > > > I have servers running Squid 2.6 Stable 12 and have managed to
>install
> > >MRTG
> > > > 2.15.2 on these servers. In view that there are so many graphs seen
>for
> > > > monitoring of squid using MRTG, kindly advise what are the necessary
> > >graphs
> > > > that I can plot to determine squid performance.
> > >
> > >I have the following set of graphs:
> > >
> > >http://www.henriknordstrom.net/code/squid_statistics/
> > >
> > >the rrdtool scripts collecting the graphs is found in the code
> > >directory..
> > >
> > >Regards
> > >Henrik
> >
> >
> > ><< signature.asc >>
> >
> > _________________________________________________________________
> > Call friends with PC-to-PC calling _ FREE
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> >
> >
>
>
>- --
>
>
>With best regards and good wishes,
>
>Yours sincerely,
>
>Tek Bahadur Limbu
>
>(TAG/TDG Group)
>Jwl Systems Department
>
>Worldlink Communications Pvt. Ltd.
>
>Jawalakhel, Nepal
>
>http://www.wlink.com.np
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Received on Sun Jul 01 2007 - 19:32:17 MDT