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Publish shard CC-MAIN-2026-08/00383

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  1. README.md +9 -9
  2. data/CC-MAIN-2026-08/00383.parquet +3 -0
  3. stats.csv +3 -2
README.md CHANGED
@@ -32,7 +32,7 @@ configs:
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  Open Index is a large-scale web text dataset built from [Common Crawl](https://commoncrawl.org). Every page goes through a pipeline that extracts the main content from raw HTML, converts it to clean Markdown using [trafilatura](https://github.com/adbar/trafilatura), and packages the result into Parquet files with full WARC metadata preserved.
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- The dataset currently includes crawl **CC-MAIN-2026-08** with **25,208,940 documents across 1304 shards**. We plan to add more snapshots over time.
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  Open Index is released under the **Open Data Commons Attribution License (ODC-By) v1.0**, the same license used by Common Crawl.
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@@ -164,28 +164,28 @@ Empty conversions (pages where trafilatura could not extract meaningful content)
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  ### Compression Ratios
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- Numbers below are actual measurements summed across all 1304 files of CC-MAIN-2026-08 (25,208,940 pages total), projected to the full crawl of 100,000 WARC files.
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- | Stage | 1304 files (measured) | 100,000 files (projected) | Reduction |
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  |---|---|---|---|
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  | Raw WARC (.warc.gz, downloaded) | ~1.0 TB | ~83 TB | — |
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  | HTML extracted (uncompressed) | 3.0 TB | ~295 TB | — |
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  | Packed markdown WARC (.md.warc.gz) | ~53.5 GB | ~3.7 TB | **-98.3%** vs HTML |
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  | Final Parquet (Zstd level 19) | 36.1 GB | ~2.9 TB | **-32.5%** vs packed WARC |
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- The big win is the HTML → Markdown step: trafilatura strips all tags, scripts, styles, navigation, and ads, keeping only the main content. This cuts 3.0 TB of uncompressed HTML down to 113.7 GB of markdown — a **98.3% reduction** — before any file-level compression is applied. Parquet with Zstd level 19 then compresses the markdown a further 68.3%.
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- End to end: ~1.0 TB of raw gzipped WARCs becomes **36.1 GB of Parquet** — a **96.6% total reduction** — containing 25,208,940 clean markdown documents.
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  ### Processing Times
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- Pipeline timings across 1304 shards of CC-MAIN-2026-08:
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  ```
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- Download (raw WARC) ████████████████████████ total 100h 30m 9s avg 4m 37s
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  Convert (HTML → MD) █░░░░░░░░░░░░░░░░░░░░░░░ total 6h 51m 14s avg 18s
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- Export (Parquet) █████░░░░░░░░░░░░░░░░░░░ total 24h 28m 6s avg 1m 7s
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- Publish (HuggingFace) █░░░░░░░░░░░░░░░░░░░░░░░ total 8h 6m 52s avg 22s
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  ```
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  ### Dataset Charts
 
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  Open Index is a large-scale web text dataset built from [Common Crawl](https://commoncrawl.org). Every page goes through a pipeline that extracts the main content from raw HTML, converts it to clean Markdown using [trafilatura](https://github.com/adbar/trafilatura), and packages the result into Parquet files with full WARC metadata preserved.
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+ The dataset currently includes crawl **CC-MAIN-2026-08** with **25,228,420 documents across 1305 shards**. We plan to add more snapshots over time.
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  Open Index is released under the **Open Data Commons Attribution License (ODC-By) v1.0**, the same license used by Common Crawl.
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  ### Compression Ratios
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+ Numbers below are actual measurements summed across all 1305 files of CC-MAIN-2026-08 (25,228,420 pages total), projected to the full crawl of 100,000 WARC files.
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+ | Stage | 1305 files (measured) | 100,000 files (projected) | Reduction |
170
  |---|---|---|---|
171
  | Raw WARC (.warc.gz, downloaded) | ~1.0 TB | ~83 TB | — |
172
  | HTML extracted (uncompressed) | 3.0 TB | ~295 TB | — |
173
  | Packed markdown WARC (.md.warc.gz) | ~53.5 GB | ~3.7 TB | **-98.3%** vs HTML |
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  | Final Parquet (Zstd level 19) | 36.1 GB | ~2.9 TB | **-32.5%** vs packed WARC |
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+ The big win is the HTML → Markdown step: trafilatura strips all tags, scripts, styles, navigation, and ads, keeping only the main content. This cuts 3.0 TB of uncompressed HTML down to 113.8 GB of markdown — a **98.3% reduction** — before any file-level compression is applied. Parquet with Zstd level 19 then compresses the markdown a further 68.3%.
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+ End to end: ~1.0 TB of raw gzipped WARCs becomes **36.1 GB of Parquet** — a **96.6% total reduction** — containing 25,228,420 clean markdown documents.
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  ### Processing Times
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+ Pipeline timings across 1305 shards of CC-MAIN-2026-08:
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  ```
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+ Download (raw WARC) ████████████████████████ total 100h 38m 20s avg 4m 37s
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  Convert (HTML → MD) █░░░░░░░░░░░░░░░░░░░░░░░ total 6h 51m 14s avg 18s
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+ Export (Parquet) █████░░░░░░░░░░░░░░░░░░░ total 24h 29m 38s avg 1m 7s
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+ Publish (HuggingFace) █░░░░░░░░░░░░░░░░░░░░░░░ total 8h 7m 20s avg 22s
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  ```
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  ### Dataset Charts
data/CC-MAIN-2026-08/00383.parquet ADDED
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+ version https://git-lfs.github.com/spec/v1
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+ oid sha256:8c84f77bcbebd9310982b68c502fe4500d32c3f5e20da1877cb9bb4a62309c47
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+ size 30256523
stats.csv CHANGED
@@ -355,6 +355,7 @@ CC-MAIN-2026-08,379,19426,2552876640,91839182,29849311,2026-03-14T02:34:20Z,420,
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  CC-MAIN-2026-08,380,19347,2574961073,89057601,28624484,2026-03-14T02:46:25Z,441,0,198,14
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@@ -602,7 +603,7 @@ CC-MAIN-2026-08,800,19353,2574122589,98621234,30172589,2026-03-14T02:41:05Z,458,
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  CC-MAIN-2026-08,382,19506,2559479883,92929783,29749683,2026-03-14T03:07:32Z,642,0,92,27
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+ CC-MAIN-2026-08,383,19480,2585608034,96499906,30256523,2026-03-14T03:17:23Z,491,0,92,0
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  CC-MAIN-2026-08,401,19441,2586676962,94334130,29618260,2026-03-13T11:41:00Z,0,0,33,0
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  CC-MAIN-2026-08,402,19446,2552785517,96654791,30560442,2026-03-13T11:49:21Z,0,443,57,0
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  CC-MAIN-2026-08,403,19320,2579048144,91406292,29341198,2026-03-13T11:56:46Z,0,414,29,0
 
603
  CC-MAIN-2026-08,801,19437,2573915480,93218254,30052830,2026-03-14T02:44:35Z,0,0,212,26
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  CC-MAIN-2026-08,802,19341,2577633407,95734752,30471396,2026-03-14T02:55:05Z,0,511,108,16
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  CC-MAIN-2026-08,803,19536,2584124135,95211600,29642191,2026-03-14T03:06:50Z,0,539,163,11
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+ CC-MAIN-2026-08,804,19533,2600701066,98156820,30469294,2026-03-14T03:16:50Z,0,491,114,14
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  CC-MAIN-2026-08,851,19575,2612873485,97000364,30911294,2026-03-13T06:41:39Z,163,0,37,204
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  CC-MAIN-2026-08,852,19334,2546015208,94959847,30205044,2026-03-13T06:45:52Z,183,0,57,11
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  CC-MAIN-2026-08,853,19694,2567973975,95901932,30303494,2026-03-13T06:50:12Z,150,0,28,80
 
735
  CC-MAIN-2026-08,1061,19382,2551362783,90217446,28361429,2026-03-14T02:47:02Z,557,0,125,14
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  CC-MAIN-2026-08,1062,19471,2575193105,94036307,29228618,2026-03-14T02:55:44Z,474,0,56,92
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  CC-MAIN-2026-08,1063,19557,2587782329,94279704,29174136,2026-03-14T03:07:32Z,654,0,59,27
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+ CC-MAIN-2026-08,1064,19743,2608994155,92635672,29768838,2026-03-14T03:16:50Z,476,0,91,14
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  CC-MAIN-2026-08,1101,19721,2641197765,95719568,30240239,2026-03-13T09:59:33Z,564,0,296,0
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  CC-MAIN-2026-08,1102,19562,2608129691,99280759,31748974,2026-03-13T10:28:07Z,1518,0,191,0
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  CC-MAIN-2026-08,1103,19270,2517580674,89253461,28361470,2026-03-13T10:55:39Z,1380,0,268,0