srid/emanote

High memory usage on large notebooks

Open

#66 opened on Jun 16, 2021

View on GitHub
 (1 comment) (1 reaction) (0 assignees)Haskell (78 forks)github user discovery
help wantedperformance

Repository metrics

Stars
 (948 stars)
PR merge metrics
 (No merged PRs in 30d)

Description

For this notebook,

~/Downloads/large 
❯ du -sh .
69M	.

~/Downloads/large 
❯ find . -name \*.md | wc -l
4561

Emanote takes ~4.7GB of resident memory. It takes a while (~1m) to load all these files at startup, and but runs fine afterwards. The @Index page is slow to render as well, but that should be addressed by use of sub-index'es as described in https://github.com/srid/emanote/discussions/50

Contributor guide

Research direction
Profile memory usage using GHC heap profiling to identify data structures consuming memory, then consider lazy evaluation or space leaks.
Tech stack
None
Domain
performance
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.
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
HaskellGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50