juspay/hyperswitch

[FEATURE] Make cache configuration configurable at runtime

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#3,276 opened on Jan 8, 2024

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 (3 comments) (0 reactions) (1 assignee)Rust (42,690 stars) (4,676 forks)batch import
C-featureS-awaiting-triagegood first issuehacktoberfest

Description

Feature Description

Currently all in-memory cache configuration like TTL, TTI and MAX_CAPACITY are const, Make it configurable through the application config

Possible Implementation

Create

struct Cache {
	ttl: u32,
	tti: u32,
	max_capacity: u32
}

and add it to Settings struct

Have you spent some time checking if this feature request has been raised before?

  • I checked and didn't find a similar issue

Have you read the Contributing Guidelines?

Are you willing to submit a PR?

None

Contributor guide

Tech stack
rust
Domain
backend
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.
1-3 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.
mostly clear
Prerequisites
Basic knowledge of RustUnderstanding of the project's configuration system
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
Look at the current in memory cache implementation to identify the existing const values for TTL, TTI, and MAX CAPACITY. Then find the `Settings` struct in the configuration module (likely in `config.rs` or similar) to add an optional or required `Cache` struct with those fields. Review the existing cache initialization code to ensure the new config fields are used. Check the issue comments for any maintainer guidance on default values or prioritization.