eclipse-theia/theia

Debug view has memory leaks

Open

#6,689 opened on Dec 4, 2019

View on GitHub
 (0 comments) (0 reactions) (1 assignee)TypeScript (2,478 forks)batch import
debughelp wantedperformance

Repository metrics

Stars
 (18,676 stars)
PR merge metrics
 (Avg merge 15d 4h) (75 merged PRs in 30d)

Description

Description

When toggling the debug view the widgets created for the view itself and the inner view containers get created every time. However, the old stay in memory.

Reproduction Steps

Toggle the debug view x times. Take a Heap Snapshot in Memory section in Developer Tools and filter for 'debug'. There will be x times the debug view corresponding widgets.

OS and Theia version:

Diagnostics:

Contributor guide

Research direction
Investigate the lifecycle of debug view widgets. Ensure that when the debug view is toggled off, all associated DOM elements and listeners are properly disposed. Use heap snapshots to identify retained objects and trace back to missing cleanup code.
Tech stack
typescript
Domain
frontendperformancedeveloper experience
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
TypeScriptBrowser Developer Tools
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55