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Re: [perfsonar-user] Using Grafana to visualize previously collected data


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  • From: Andrew Gallo <>
  • To: Andrew Lake <>, "" <>
  • Subject: Re: [perfsonar-user] Using Grafana to visualize previously collected data
  • Date: Fri, 9 Feb 2024 20:38:31 -0500

Yeah- I was confused as well....didn't make sense.

I'll send details in direct msg.

Thanks!



On 2/9/2024 6:59 PM, Andrew Lake wrote:
Hi,

Hmmm Grafana just sees whatever data is in OpenSearch, so when you install
Grafana will not affect what data appears. Is the OpenSearch server its
looking at behind a firewall or could I reach it to take a look?

Also, we have an office hours call next Friday where we could potentially
do some interactive debugging if needed.

Thanks,
Andy

On February 9, 2024 at 3:21:14 PM, Andrew Gallo (
) wrote:

Greetings:

I've followed the Grafana cookboook (here:
https://docs.perfsonar.net/grafana_cookbook.html).

I've created and tested the data source and imported the dashboards.

What I'm finding is that Grafana is only displaying data that was
collected after I completed this installation, even though I have data
from before that point.

Specifically, I got Grafana / OpenSearch connected yesterday, but when I
attempted to view 30 days worth of data, I only see graphs for yesterday.

Is this expected behavior?

If I play around with the Grafana query explorer, I can see that the
time range does change as expected, eg:
90 day

{\"range\":{\"pscheduler.start_time\":{\"gte\":1699733443050,\"lte\":1707509443050,\"format\":\"epoch_millis\"}}}

7 day

{\"range\":{\"pscheduler.start_time\":{\"gte\":1706904709764,\"lte\":1707509509764,\"format\":\"epoch_millis\"}}},



But the only data that gets displayed is data from the point of the
Grafana installation.

Is there a way to use Grafana to display all the data from a perfSONAR
node?

Thank you.






--
________________________________
Andrew Gallo
The George Washington University

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