envoyproxy/envoy

Peak heap tracker support

Closed

#38,954 opened on Mar 28, 2025

View on GitHubContributor guide
 (1 comment) (1 reaction) (0 assignees)C++ (5,373 forks)batch import
enhancementhelp wanted

Repository metrics

Stars
 (27,997 stars)
PR merge metrics
 (Avg merge 8d) (378 merged PRs in 30d)

Description

Title: One line description

Description: When debugging OOM failures for Envoy, users would benefit from analyzing a peak heap profile (to see where memory was spent during peak load). Peak heap sampler is currently supported in Tcmalloc.

[optional Relevant Links:]

Any extra documentation required to understand the issue.

Contributor guide

Research direction
Study the peak heap tracker implementation in Tcmalloc and identify integration points in Envoy's memory management.
Tech stack
cpp
Domain
backendperformanceobservability
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.
1-2 days
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++Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30