{"adoption": {"forks": 225, "observed_at": "2026-08-28T04:03:26.568333+00:00", "stars": 1064}, "canonical_url": "https://ross.abutalabs.com/products/arrow2", "card": {"archived": true, "artifact_type": "library", "description": "Transmute-free Rust library to work with the Arrow format", "domain": ["databases", "big-data", "analytics"], "enriched": true, "function": ["serialization", "data-science", "etl"], "health_score": 10, "homepage": null, "language": "Rust", "license": "Apache-2.0", "license_family": "permissive", "maturity": "abandoned", "member_repos": ["jorgecarleitao/arrow2"], "name": "jorgecarleitao/arrow2", "platform": ["rust", "cross-platform"], "pushed_at": "2024-02-27T19:55:35+00:00", "repo": "jorgecarleitao/arrow2", "stars": 1064, "tags": ["apache-arrow", "parquet", "avro", "columnar-format", "unmaintained", "data-engineering"], "topics": [], "urls": [], "use_cases": ["read and write parquet files in rust", "work with apache arrow columnar data in rust", "convert csv to arrow ipc format", "read avro files fast in rust", "columnar data processing and compute kernels in rust", "interop between rust and arrow-based data systems"], "what_it_is": "A Rust implementation of the Apache Arrow columnar in-memory format, supporting IO with Parquet, Avro, CSV, IPC, and Flight, plus compute kernels. It was one of the most feature-complete Arrow implementations but is officially unmaintained as of January 2024.", "when_to_avoid": ["starting a new project - the crate is explicitly unmaintained since 2024-01-17", "you need bug fixes, security patches, or new Arrow spec features", "you need Decimal 256 or deeply nested Parquet types", "consider the official apache/arrow-rs crate instead"], "when_to_choose": ["you need Arrow/Parquet/Avro support in Rust and are pinned to an older, stable codebase", "you need the C data interface for FFI interop with other Arrow implementations", "you need fine-grained control over bitmaps, mutability, and zero-copy layouts"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/arrow2", "repo": "jorgecarleitao/arrow2", "role": "main", "score": 10}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:03:26.568333+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T06:56:04.751252+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "73c4dfdf785fc8dd3d07c4f27391c195cfdf1fa39edd28b8b371e6e03e26aa59", "fetched_at": "2026-08-28T04:03:26.568333+00:00", "kind": "readme", "missing": false, "url": "https://github.com/jorgecarleitao/arrow2"}, {"content_hash": "a5c0c2a77135c31f309e8eb21186edc6b27c60feeba58f9885811100514e306d", "fetched_at": "2026-08-29T12:57:43.818871+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/arrow2"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["archived"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2033, "days_push": 918, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 10, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}