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Fix wrong and empty built-in engine metrics - #546

Merged

dennis-upbound merged 10 commits into

modelplaneai:mainfrom

dennis-upbound:dennis/metrics-v06

Oct 21, 2026

Merged

Fix wrong and empty built-in engine metrics#546
dennis-upbound merged 10 commits into
modelplaneai:mainfrom
dennis-upbound:dennis/metrics-v06

Commits on Oct 21, 2026
- Export the engines' token histograms as counters
  
  dennis-upbound
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  claude
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  7c6ea9c
- Hold recipe engines to what the metric mappings read
  
  dennis-upbound
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  83cbbb9
- Label prefill and decode engines' series with their phase
  
  dennis-upbound
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  7fbdf7f
- Check the built-in mappings against scrapes of what they read
  
  dennis-upbound
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  1591000
- Map GPU free memory, and document mappings for tuning metrics
  
  dennis-upbound
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  2cce258
- Map vLLM's finished requests by how they ended
  
  dennis-upbound
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  536e598
- Count how prefill/decode requests ended on the decode engines
  
  dennis-upbound
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  c44af3d
- Map SGLang's first-token time, HTTP status and open requests
  
  dennis-upbound
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  7056d08
- Check the gateway proxy mapping against a scrape of Envoy
  
  dennis-upbound
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  1a671ca
- Keep each test table directly above the test that runs it
  
  dennis-upbound
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  claude
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  6763a5c