{"adoption": {"forks": 503, "observed_at": "2026-08-28T04:06:20.932077+00:00", "stars": 2160}, "canonical_url": "https://ross.abutalabs.com/products/threadandjuc", "card": {"archived": false, "artifact_type": "learning-resource", "description": "⭐⭐⭐⭐高并发-高可靠-高性能three-high-import导入系统-高并发多线程进阶", "domain": ["developer-tools", "tutorials"], "enriched": true, "function": ["concurrency", "etl", "developer-tools"], "health_score": 20, "homepage": null, "language": "Java", "license": null, "license_family": "other", "maturity": "maintenance", "member_repos": ["qiurunze123/threadandjuc"], "name": "qiurunze123/threadandjuc", "platform": ["jvm", "cross-platform"], "pushed_at": "2023-11-30T10:02:53+00:00", "repo": "qiurunze123/threadandjuc", "stars": 2160, "tags": ["java-concurrency", "multithreading", "thread-pools", "high-concurrency", "data-import", "spring-boot", "demo-project", "chinese-documentation", "automation"], "topics": ["guava", "thread", "java", "demo"], "urls": [], "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"], "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.", "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"], "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"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/threadandjuc", "repo": "qiurunze123/threadandjuc", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:20.932077+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:50:18.748983+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "fe2ea525b95228cf23189543f60286ef5acef3ef07b66978064fc4de7fca1d38", "fetched_at": "2026-08-28T04:06:20.932077+00:00", "kind": "readme", "missing": false, "url": "https://github.com/qiurunze123/threadandjuc"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2907, "days_push": 1007, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}