Out of curiosity, where would I begin looking for any issues with missed polls or graphs not showing data for a certain period of time? I have looked under /var/log and do not see anything that stands out. I'm not sure if there are any other locations i can investigate this on. I am running ubuntu server 12.04.3 LTS. Attached are a couple of graphs you can see the gap of data not presented, or possibly missing? The weird part is, i have about 90% of my devices that show this gap, but the other 10% doesnt. Theres no specific network device/factor that would be have created this either. Any thoughts/suggestions/ideas?
Hello,
Have you checked how much time does it take to execute the poll script ? I've had similar issue, and the polling time of all of my hosts was above 5 minutes, which is the rrd step. I had to remove two hosts (ESXi) that took way too much time to be polled, and also performed some tuning: http://www.observium.org/wiki/Performance_tuning
Cheers!
Best Regards,
TSVETAN BLAGOEV QA Engineer, Axway
Business Park Sofia Mladost 4, Build. 11B, Fl. 2 1766 Sofia tblagoev@axway.commailto:tblagoev@axway.com - http://www.axway.com
P Before printing, think about the environment.
From: observium [mailto:observium-bounces@observium.org] On Behalf Of Luis Quintana Sent: Tuesday, September 10, 2013 5:30 AM To: Observium Network Observation System Subject: [Observium] Polling missed?
Out of curiosity, where would I begin looking for any issues with missed polls or graphs not showing data for a certain period of time? I have looked under /var/log and do not see anything that stands out. I'm not sure if there are any other locations i can investigate this on. I am running ubuntu server 12.04.3 LTS. Attached are a couple of graphs you can see the gap of data not presented, or possibly missing? The weird part is, i have about 90% of my devices that show this gap, but the other 10% doesnt. Theres no specific network device/factor that would be have created this either. Any thoughts/suggestions/ideas?
[cid:image001.png@01CEAE45.1326F620][cid:image002.png@01CEAE45.1326F620][cid:image003.png@01CEAE45.1326F620]
Thanks, Tsvetan. I'll take a look at the polling time. I used the one that was in the installation document as that seems to work for what we needed. What I found weird is that this just happened. Ive had devices in here for a week or two now that have not seen this issue and only yesterday did it happen.
On Sep 10, 2013, at 8:45 AM, Tsvetan Blagoev tblagoev@axway.com wrote:
Hello,
Have you checked how much time does it take to execute the poll script ? I've had similar issue, and the polling time of all of my hosts was above 5 minutes, which is the rrd step. I had to remove two hosts (ESXi) that took way too much time to be polled, and also performed some tuning: http://www.observium.org/wiki/Performance_tuning
Cheers!
Best Regards, TSVETAN BLAGOEV QA Engineer, Axway Business Park Sofia Mladost 4, Build. 11B, Fl. 2 1766 Sofia tblagoev@axway.com - http://www.axway.com P Before printing, think about the environment.
From: observium [mailto:observium-bounces@observium.org] On Behalf Of Luis Quintana Sent: Tuesday, September 10, 2013 5:30 AM To: Observium Network Observation System Subject: [Observium] Polling missed?
Out of curiosity, where would I begin looking for any issues with missed polls or graphs not showing data for a certain period of time? I have looked under /var/log and do not see anything that stands out. I'm not sure if there are any other locations i can investigate this on. I am running ubuntu server 12.04.3 LTS. Attached are a couple of graphs you can see the gap of data not presented, or possibly missing? The weird part is, i have about 90% of my devices that show this gap, but the other 10% doesnt. Theres no specific network device/factor that would be have created this either. Any thoughts/suggestions/ideas?
<image001.png><image002.png><image003.png> _______________________________________________ observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
This isn't so much of a problem if you use the poller wrapper.
(everyone should be using the poller wrapper now)
adam.
On 2013-09-10 14:45, Tsvetan Blagoev wrote:
Hello,
Have you checked how much time does it take to execute the poll script ?
I've had similar issue, and the polling time of all of my hosts was above 5 minutes, which is the rrd step.
I had to remove two hosts (ESXi) that took way too much time to be polled, and also performed some tuning:
http://www.observium.org/wiki/Performance_tuning [1]
Cheers!
Best Regards,
TSVETAN BLAGOEV
QA Engineer, AXWAY
Business Park Sofia Mladost 4, Build. 11B, Fl. 2 1766 Sofia tblagoev@axway.com - http://www.axway.com [2]
P Before printing, think about the environment.
FROM: observium [mailto:observium-bounces@observium.org] ON BEHALF OF Luis Quintana SENT: Tuesday, September 10, 2013 5:30 AM TO: Observium Network Observation System SUBJECT: [Observium] Polling missed?
Out of curiosity, where would I begin looking for any issues with missed polls or graphs not showing data for a certain period of time? I have looked under /var/log and do not see anything that stands out. I'm not sure if there are any other locations i can investigate this on. I am running ubuntu server 12.04.3 LTS. Attached are a couple of graphs you can see the gap of data not presented, or possibly missing? The weird part is, i have about 90% of my devices that show this gap, but the other 10% doesnt. Theres no specific network device/factor that would be have created this either. Any thoughts/suggestions/ideas?
Links:
[1] http://www.observium.org/wiki/Performance_tuning [2] http://www.axway.com
observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
Ah! didnt realize that was an option. My apologies on that one. I just went through that documentation. Hopefully that helps out.
On Sep 10, 2013, at 9:02 PM, Adam Armstrong adama@memetic.org wrote:
This isn't so much of a problem if you use the poller wrapper.
(everyone should be using the poller wrapper now)
adam.
On 2013-09-10 14:45, Tsvetan Blagoev wrote:
Hello, Have you checked how much time does it take to execute the poll script ? I've had similar issue, and the polling time of all of my hosts was above 5 minutes, which is the rrd step. I had to remove two hosts (ESXi) that took way too much time to be polled, and also performed some tuning: http://www.observium.org/wiki/Performance_tuning [1] Cheers! Best Regards, TSVETAN BLAGOEV QA Engineer, AXWAY Business Park Sofia Mladost 4, Build. 11B, Fl. 2 1766 Sofia tblagoev@axway.com - http://www.axway.com [2] P Before printing, think about the environment. FROM: observium [mailto:observium-bounces@observium.org] ON BEHALF OF Luis Quintana SENT: Tuesday, September 10, 2013 5:30 AM TO: Observium Network Observation System SUBJECT: [Observium] Polling missed? Out of curiosity, where would I begin looking for any issues with missed polls or graphs not showing data for a certain period of time? I have looked under /var/log and do not see anything that stands out. I'm not sure if there are any other locations i can investigate this on. I am running ubuntu server 12.04.3 LTS. Attached are a couple of graphs you can see the gap of data not presented, or possibly missing? The weird part is, i have about 90% of my devices that show this gap, but the other 10% doesnt. Theres no specific network device/factor that would be have created this either. Any thoughts/suggestions/ideas? Links:
[1] http://www.observium.org/wiki/Performance_tuning [2] http://www.axway.com _______________________________________________ observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
What is the network performance like between these hosts?
Do you have anything in the eventlog which might suggest why this happens?
At the moment the ports poller relies on quite long snmpbulkwalks, which are susceptible to timeouts on 'iffy' network connectivity.
adam.
On 2013-09-10 03:29, Luis Quintana wrote:
Out of curiosity, where would I begin looking for any issues with missed polls or graphs not showing data for a certain period of time? I have looked under /var/log and do not see anything that stands out. I'm not sure if there are any other locations i can investigate this on. I am running ubuntu server 12.04.3 LTS. Attached are a couple of graphs you can see the gap of data not presented, or possibly missing? The weird part is, i have about 90% of my devices that show this gap, but the other 10% doesnt. Theres no specific network device/factor that would be have created this either. Any thoughts/suggestions/ideas?
observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
That's something I have literally been investigating right now. I think I may have found something headed in that direction. Is there any way to increase the poller time during certain hours/times?
On Sep 10, 2013, at 9:04 PM, Adam Armstrong adama@memetic.org wrote:
What is the network performance like between these hosts?
Do you have anything in the eventlog which might suggest why this happens?
At the moment the ports poller relies on quite long snmpbulkwalks, which are susceptible to timeouts on 'iffy' network connectivity.
adam.
On 2013-09-10 03:29, Luis Quintana wrote:
Out of curiosity, where would I begin looking for any issues with missed polls or graphs not showing data for a certain period of time? I have looked under /var/log and do not see anything that stands out. I'm not sure if there are any other locations i can investigate this on. I am running ubuntu server 12.04.3 LTS. Attached are a couple of graphs you can see the gap of data not presented, or possibly missing? The weird part is, i have about 90% of my devices that show this gap, but the other 10% doesnt. Theres no specific network device/factor that would be have created this either. Any thoughts/suggestions/ideas? _______________________________________________ observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
participants (3)
-
Adam Armstrong -
Luis Quintana -
Tsvetan Blagoev