line/armeria

More `HealthChecker` implementations

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#1,854 opened on Jun 25, 2019

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 (14 comments) (1 reaction) (0 assignees)Java (4,552 stars) (863 forks)batch import
good first issuenew featuresprint

Description

  • Healthy when memory usage is lower than a certain threshold (%)
  • Healthy when disk usage is lower than a certain threshold (%)
  • Healthy when there are no dead locks
  • Healthy when ...

Contributor guide

Tech stack
java
Domain
backendobservabilityperformance
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.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Java knowledgeFamiliarity with Armeria's HealthChecker interfaceUnderstanding of memory/disk metrics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
Examine existing HealthChecker implementations in the Armeria codebase, such as relevant files in `com.linecorp.armeria.server.healthcheck`. Review comments in this issue for any design preferences. Consider using Java's ManagementFactory for memory and disk usage. Ensure new implementations follow the `HealthChecker` interface and test conventions.