envoyproxy/envoy

Add route evaluation statistics

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#13,255 opened on Sep 24, 2020

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area/httparea/statshelp wanted

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Description

Add statistics for the number of route rule evaluations (broken down by rule type, ie. exact match, prefix, regex, etc) This could live under the HCM or router scope, eg. http.{prefix}.rds.{route}.evaluations.prefix http.{prefix}.rds.{route}.evaluations.exact http.{prefix}.rds.{route}.evaluations.regex

Contributor guide

Research direction
Identify the existing route configuration structures and add counters for each evaluation type in the route matching code path.
Tech stack
cpp
Domain
networkingbackend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C++Envoy
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35