perfSONAR User Q&A and Other Discussion

[Andrew Lake <>]

Hi,

If you want to have a Grid based on RTT then run a command like the following on your MaDDash host: 

psconfig maddash-grid add --name llnll_rtt  --check-type ps-nagios-rtt --visualization-type ps-graphs  --check-critical-threshold 100 --check-warning-threshold 50

More details on this command can be found here: https://docs.perfsonar.net/psconfig_maddash_agent.html#configuring-grids 

You can tweak the warning and critical thresholds to values that make sense. One thing to be conscious of is that RTT will be distance dependent, but the threshold apply to every test in your grid. If you have endpoints of varying distances an alarm on RTT may not be very useful. If they are similarly distance or you just set the thresholds on relatively high values, you may get some benefit, but that’s why such grids are not configured by default.

Thanks,

Andy 

On November 3, 2023 at 12:41:50 PM, Contardo, Gianni Carlo () wrote:

 

 

Good Morning,

 

Currently we’re using MaDDash to display the results of rtt tests.  That works fine and we’re seeing the Packet Loss grid.  What we want to do is display the Packet Loss AND Round Trip Time from the test results. In other words, 2 grids for the same test results – one showing packet loss and another showing round trip times.   I *think* that would be adding multiple grids with the same check type.  How do we do that?

 

Thanks in advance.

 

 

Gianni

 

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