berzniz/github_pr_tree

Memory leak on idle-tab reloading

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#143 opened on Jan 8, 2021

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help wanted

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Description

This has been happening for a while, and I have isolated it to "Better Pull Request".

I have lots of github tabs open (PRs mostly, but also issues). I go away and do other things for a while and then come back to them. Almost every time, that tab starts allocating HUGE amounts of memory (as per Chrome task manager) and ultimately crashes.

Turning off "Better Pull Request" makes it stop happening. I don't want to turn it off :(

Contributor guide

Research direction
Investigate the memory leak by profiling with Chrome DevTools Memory tab during idle tab reloading. Focus on event listeners and DOM references in the extension's code that may not be cleaned up. Check for any setInterval or requestAnimationFrame loops that continue running. Also examine how the extension reacts to GitHub's DOM updates when tabs become active again.
Tech stack
javascript
Domain
frontend
Issue type
Bug
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.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Needs investigation
Prerequisites
Basic JavaScript debuggingChrome DevTools memory profiling
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40