[xymon] Wrong (or badly interpreted) http response time with hobbit 4.2.0
Benoit SCHMID
Benoit.Schmid at unige.ch
Mon Sep 6 07:54:43 CEST 2010
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Hello,
Has anyone an idea on how I could trace why I have these wrong response
time?
Regards,
On 09/02/2010 10:03 AM, Benoit SCHMID wrote:
> Hello,
>
> Sorry it was the host on which the test was performed.
> For the host performing the test:
>
> bbtest-net version 4.2.0
> SSL library : OpenSSL 0.9.7d 17 Mar 2004 (+ security patches to 2006-09-29)
> LDAP library: OpenLDAP 20217
>
> Statistics:
> Hosts total : 255
> Hosts with no tests : 44
> Total test count : 408
> Status messages : 444
> Alert status msgs : 0
> Transmissions : 7
>
> DNS statistics:
> # hostnames resolved : 215
> # succesful : 197
> # failed : 18
> # calls to dnsresolve : 407
>
> TCP test statistics:
> # TCP tests total : 253
> # HTTP tests : 71
> # Simple TCP tests : 182
> # Connection attempts : 253
> # bytes written : 13350
> # bytes read : 552532
>
>
> TIME SPENT
> Event Starttime Duration
> bbtest-net startup 1283414487.151447 -
> Service definitions loaded 1283414487.154896
> 0.003449
> Tests loaded 1283414487.289917
> 0.135021
> DNS lookups completed 1283414487.295936
> 0.006019
> Test engine setup completed 1283414487.316852
> 0.020916
> TCP tests completed 1283414498.007502
> 10.690650
> PING test completed (154 hosts) 1283414498.470491
> 0.462989
> PING test results sent 1283414498.477492
> 0.007001
> Test result collection completed 1283414498.477818
> 0.000326
> LDAP test engine setup completed 1283414498.477820
> 0.000002
> LDAP tests executed 1283414498.477823
> 0.000003
> LDAP tests result collection completed 1283414498.477824
> 0.000001
> Test results transmitted 1283414498.483055
> 0.005231
> bbtest-net completed 1283414498.490716
> 0.007661
> TIME TOTAL
> 11.339269
>
>
> On 09/01/2010 05:45 PM, Josh Luthman wrote:
>> Is that the host performing the http test or the host the test is
>> being performed on?
>
>> Josh Luthman
>> Office: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373
>
>
>
>> On Wed, Sep 1, 2010 at 11:40 AM, Benoit SCHMID <Benoit.Schmid at unige.ch> wrote:
>>> Hello,
>>>
>>> Unfortunately, I have :Status not available.
>>>
>>> for
>>> http://hobbitserver/hobbit-cgi/bb-hostsvc.sh?HOST=xxx.unige.ch&SERVICE=bbtest
>>>
>>> But the following works fine:
>>> http://hobbitserver/hobbit-cgi/bb-hostsvc.sh?HOST=xxx.unige.ch&SERVICE=http
>>>
>>> Regards,
>>>
>>> Josh Luthman a écrit :
>>>>
>>>> On your bbdisplay it is probably the very first line item. For
>>>> example it says bbtest on this page:
>>>>
>>>> http://xymon.com/xymon/servers/servers.html
>>>>
>>>> Linked to this:
>>>>
>>>> http://xymon.com/xymon-cgi/bb-hostsvc.sh?HOST=voodoo.hswn.dk&SERVICE=bbtest
>>>>
>>>> Josh Luthman
>>>> Office: 937-552-2340
>>>> Direct: 937-552-2343
>>>> 1100 Wayne St
>>>> Suite 1337
>>>> Troy, OH 45373
>>>>
>>>>
>>>>
>>>> On Wed, Sep 1, 2010 at 11:12 AM, Benoit SCHMID <Benoit.Schmid at unige.ch>
>>>> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> Could you please tell me where I can get this info?
>>>>>
>>>>> Thanks in advance for your help.
>>>>>
>>>>> Josh Luthman a écrit :
>>>>>>
>>>>>> Well instead of guessing - look at bbtest and see what the DNS test
>>>>>> times are. If you can, share the entire output.
>>>>>>
>>>>>> Josh Luthman
>>>>>> Office: 937-552-2340
>>>>>> Direct: 937-552-2343
>>>>>> 1100 Wayne St
>>>>>> Suite 1337
>>>>>> Troy, OH 45373
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Wed, Sep 1, 2010 at 11:00 AM, Benoit SCHMID <Benoit.Schmid at unige.ch>
>>>>>> wrote:
>>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> If I do, from the hobbit server:
>>>>>>> nslookup xxx.unige.ch ip_address_dns
>>>>>>> respond very fast.
>>>>>>>
>>>>>>> In resolv.conf, the dns in the first line is our authoritative name
>>>>>>> server.
>>>>>>>
>>>>>>> Therefore it does not seems to be the dns time.
>>>>>>>
>>>>>>> Regards,
>>>>>>>
>>>>>>> Josh Luthman a écrit :
>>>>>>>>
>>>>>>>> I want to say that Xymon doesn't use cache, issuing a query upon every
>>>>>>>> new host, but I am not certain.
>>>>>>>>
>>>>>>>> Josh Luthman
>>>>>>>> Office: 937-552-2340
>>>>>>>> Direct: 937-552-2343
>>>>>>>> 1100 Wayne St
>>>>>>>> Suite 1337
>>>>>>>> Troy, OH 45373
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Sep 1, 2010 at 10:30 AM, Benoit SCHMID
>>>>>>>> <Benoit.Schmid at unige.ch>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> As I have already said, this would be dur to the dns,
>>>>>>>>> I would have had the pb with wget too wouldn't I?
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>>
>>>>>>>>> Tony Larco a écrit :
>>>>>>>>>>
>>>>>>>>>> I am wondering if you have a DNS issue causing latency. Just a
>>>>>>>>>> thought.
>>>>>>>>>>
>>>>>>>>>> "Neil Franken" <nfranken at theunlimited.co.za> wrote:
>>>>>>>>>>
>>>>>>>>>>> Have you done a trace route from the Xymon server? Maybe that would
>>>>>>>>>>> show
>>>>>>>>>>> you something? Sorry just a suggestion from the top of my head.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>> From: Benoit SCHMID [mailto:Benoit.Schmid at unige.ch] Sent: 01
>>>>>>>>>>> September
>>>>>>>>>>> 2010 08:36 AM
>>>>>>>>>>> To: xymon at xymon.com
>>>>>>>>>>> Subject: [xymon] Wrong (or badly interpreted) http response time
>>>>>>>>>>> with
>>>>>>>>>>> hobbit 4.2.0
>>>>>>>>>>>
>>>>>>>>>>> Hello,
>>>>>>>>>>>
>>>>>>>>>>> I have monitored machines that are reporting around 3.5 seconds
>>>>>>>>>>> for the HTTP response time during the whole day (curve flat).
>>>>>>>>>>>
>>>>>>>>>>> If I do wgets, from the Solaris machine where hobbit server is
>>>>>>>>>>> installed,
>>>>>>>>>>> I get response times that is lower than 100 ms.
>>>>>>>>>>>
>>>>>>>>>>> Our old BB server reports response times that are also lower than
>>>>>>>>>>> 100
>>>>>>>>>>> ms.
>>>>>>>>>>>
>>>>>>>>>>> Would you know why my hobbit monitor report such high response
>>>>>>>>>>> times?
>>>>>>>>>>>
>>>>>>>>>>> Thanks in advance for your answer.
>>>>>>>>>>>
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>>>>>>>>>
>>>>>>>>>
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>>>>>>>
>>>>>>>
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>>>>>>
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>>>>>
>>>>>
>>>>
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