# qiurunze123/threadandjuc

⭐⭐⭐⭐高并发-高可靠-高性能three-high-import导入系统-高并发多线程进阶

Repository: https://github.com/qiurunze123/threadandjuc
Canonical: https://ross.abutalabs.com/products/threadandjuc
Language: Java
License Family: other
Topics: guava, thread, java, demo
Last push: 2023-11-30T10:02:53+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 2907, "days_push": 1007, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2160, forks 503 (observed 2026-08-28T04:06:20.932077+00:00)

## What it is
A Java educational project teaching multithreading and concurrency from basics to advanced, culminating in a 'three-high' (high-availability, high-reliability, high-performance) bulk data import demo system. It combines tutorial documentation with a working Spring Boot demo showing thread pools, data sharding, and large-scale data import strategies.

## Use cases
- learn java multithreading from basics to advanced
- understand thread pools and executor framework
- build a high-concurrency bulk data import system
- learn how to shard large datasets for parallel import
- study threadlocal usage and memory leak pitfalls
- learn concurrent collections like concurrenthashmap and blockingqueue
- see a demo of reliable data import with retry and alerting

## When to choose
- you want a hands-on, code-plus-explanation approach to java concurrency
- you need a reference design for importing tens of millions of rows reliably
- you prefer learning by running a real spring boot demo

## When to avoid
- you need a production-ready import library with support and a license
- you work outside the jvm/java ecosystem
- you need up-to-date maintenance or official releases

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: concurrency, etl, developer-tools
- domain: developer-tools, tutorials
- platform: jvm, cross-platform
- tags: java-concurrency, multithreading, thread-pools, high-concurrency, data-import, spring-boot, demo-project, chinese-documentation, automation

## Member repositories
- qiurunze123/threadandjuc (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:20.932077+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:50:18.748983+00:00, confidence not recorded.
  - readme: https://github.com/qiurunze123/threadandjuc (fetched 2026-08-28T04:06:20.932077+00:00, sha fe2ea525b952)
- Data as of 2026-08-30T08:39:29.467469+00:00.
