perfsonar-user - Re: [perfsonar-user] questions about owamp results via the API
Subject: perfSONAR User Q&A and Other Discussion
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- From: Andrew Gallo <>
- To: Andrew Lake <>, "" <>
- Subject: Re: [perfsonar-user] questions about owamp results via the API
- Date: Tue, 23 Apr 2024 12:00:37 -0400
Yes, this is coming from esmond. The URL I'm using looks something like
http://127.0.0.1/esmond/perfsonar/archive/<id>/histogram-owdelay/base/0?time-start=1712577600&time-end=1713182400&limit=10000
This is helpful. Thanks for the response.
On 4/19/2024 2:54 PM, Andrew Lake wrote:
Hi Andrew,
I assume this is coming out of the old esmond interface? You are correct
that the key is the bucket and the value is the count of results belonging
to that. IIRC The buckets are always normalized to milliseconds so in your
example 198 samples measured at -.01ms, 95 at -.02ms and so forth. The
bucket resolution is dependent on what’s configured for the test using the
“bucket-width” parameter. I believe 1/100th of a millisecond is the default
if not specified. If it is set to something else you’ll see it in the
“bucket-width” parameter of the metadata for the test. You are also correct
that buckets with no observed values are suppressed.
Thanks,
Andy
On April 18, 2024 at 11:55:37 AM, Andrew Gallo ()
wrote:
I have a couple of questions about the format of the results returned
from the API for owamp tests.
Here is a sample I'm looking at
{
"ts": 1710482312,
"val": {
"-0.01": 198,
"-0.02": 95,
"-0.03": 28,
"-0.04": 5,
"0.0": 156,
"0.01": 82,
"0.02": 28,
"0.04": 7,
"0.07": 1
}
},
The structure looks like key:value pairs, with the keys being the
latency measurements and the values being the number of results in that
'bucket.'
Is this correct?
Can I assume...
1. The resolution (or ‘bucket size’) is always 0.01 msec?
2. Buckets with no results are suppressed?
Thank you
--
________________________________
Andrew Gallo
The George Washington University
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- [perfsonar-user] questions about owamp results via the API, Andrew Gallo, 04/18/2024
- Re: [perfsonar-user] questions about owamp results via the API, Andrew Lake, 04/19/2024
- Re: [perfsonar-user] questions about owamp results via the API, Andrew Gallo, 04/23/2024
- Re: [perfsonar-user] questions about owamp results via the API, Andrew Lake, 04/19/2024
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