Store: dont rely on slice labels continued #7099
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MichaHoffmann
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Jan 27, 2024
| @@ -118,20 +118,19 @@ require ( | |||
| require ( | |||
| github.com/mitchellh/go-ps v1.0.0 | |||
| github.com/onsi/gomega v1.27.10 | |||
| github.com/prometheus-community/prom-label-proxy v0.7.0 | |||
| github.com/prometheus-community/prom-label-proxy v0.8.1-0.20240127162815-c1195f9aabc0 | |||
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Thanks for merging! 🙇
Signed-off-by: Michael Hoffmann <[email protected]>
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| } | ||
| } | ||
| b := labels.NewBuilder(lset) | ||
| extend.Range(func(l labels.Label) { |
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I think this introduces a double for loop, but it might not be as bad in real world cases.
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It benchmarks 3x worse for what we have, a solution is to pass in extend still as a slice but that would need way more refactoring.
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I think this is fine for now, we can optimize if it shows in a profile.
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Changes
Converted some other slice label usages to be stringlabel compatible. I fear that performance will take a hit because we are not very economical with our labels.Builders here, but i'm happy if tests pass first of all.
Verification
Previous Tests still pass hopefully