djyde/cusdis

Comments query optimization

Open

#18 opened on Apr 21, 2021

View on GitHub
 (1 comment) (0 reactions) (0 assignees)TypeScript (291 forks)github user discovery
PR welcomehelp wanted

Repository metrics

Stars
 (2,779 stars)
PR merge metrics
 (No merged PRs in 30d)

Description

Comment's database query (in service/comment.service.ts) is recursive, it would cause a performance issue when the data get bigger. Should find a better way.

Related:

https://news.ycombinator.com/item?id=26885342 https://cra.mr/2010/05/30/scaling-threaded-comments-on-django-at-disqus/

Contributor guide

Research direction
Study the current recursive query in service/comment.service.ts. Research alternatives like nested sets, materialized paths, or closure tables to avoid recursion. Implement a more efficient query pattern and test performance.
Tech stack
typescriptsql
Domain
backend
Issue type
Performance
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
SQLTypeScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70