Add metrics to the catalog server#156
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that can be used for calculating the Apdex Score and assess the health of the http server that is serving catalog contents to clients Signed-off-by: Bryce Palmer <bpalmer@redhat.com>
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Signed-off-by: Bryce Palmer <bpalmer@redhat.com>
Signed-off-by: Bryce Palmer <bpalmer@redhat.com>
Signed-off-by: Bryce Palmer <bpalmer@redhat.com>
| // calculate Apdex Scores up to a T of 1 second, but using various mathmatical formulas we | ||
| // should be able to estimate Apdex Scores up to a T of 2.5. Having a larger range of buckets | ||
| // will allow us to more easily calculate health indicators other than the Apdex Score. | ||
| Buckets: []float64{0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.2, 1.6, 2, 2.4, 2.8, 3.2, 3.6, 4, 10}, |
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Does it matter that our write timeout is 10s and the max bucket duration is 10s?
Seems like we'll only ever get whatever error code maps to that timeout in the 10s bucket.
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I don't think so. If anything I think it means that we now have buckets that capture all possible response times and that allows us to calculate more metrics on the fly. This is all going based on #156 (comment) . Since if no requests take more than 10s we will never have anything in the "Inf" bucket.
That being said, I could be wrong - I don't have enough experience in this area to truly know and am making an assumption with what I currently know
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Seems like we'll only ever get whatever error code maps to that timeout in the 10s bucket.
Any response time > 4s and <= 10s will fall in that 10s bucket
joelanford
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The suggested change was accepted. Huzzah!
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Storageimplementation #127