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Publish shard CC-MAIN-2026-08/00882

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  1. README.md +11 -11
  2. data/CC-MAIN-2026-08/00882.parquet +3 -0
  3. stats.csv +3 -1
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 **3,846,033 documents across 197 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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@@ -166,28 +166,28 @@ 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 197 files of CC-MAIN-2026-08 (3,846,033 pages total), projected to the full crawl of 100,000 WARC files.
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- | Stage | 197 files (measured) | 100,000 files (projected) | Reduction |
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  |---|---|---|---|
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- | Raw WARC (.warc.gz, downloaded) | ~159.7 GB | ~83 TB | — |
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- | HTML extracted (uncompressed) | 476.0 GB | ~295 TB | — |
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  | Packed markdown WARC (.md.warc.gz) | ~8.1 GB | ~3.7 TB | **-98.3%** vs HTML |
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  | Final Parquet (Zstd level 19) | 5.5 GB | ~2.9 TB | **-32.0%** 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 476.0 GB of uncompressed HTML down to 17.2 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 68.1%.
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- End to end: ~159.7 GB of raw gzipped WARCs becomes **5.5 GB of Parquet** — a **96.6% total reduction** — containing 3,846,033 clean markdown documents.
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  ### Processing Times
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- Pipeline timings across 197 shards of CC-MAIN-2026-08:
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  ```
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- Download (raw WARC) ████████████████████████ total 6h 28m 35s avg 1m 58s
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  Convert (HTML → MD) █░░░░░░░░░░░░░░░░░░░░░░░ total 16m 2s avg 4s
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- Export (Parquet) ████░░░░░░░░░░░░░░░░░░░░ total 1h 19m 34s avg 24s
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- Publish (HuggingFace) ███████████░░░░░░░░░░░░░ total 3h 2m 34s avg 55s
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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 **3,884,851 documents across 199 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 199 files of CC-MAIN-2026-08 (3,884,851 pages total), projected to the full crawl of 100,000 WARC files.
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+ | Stage | 199 files (measured) | 100,000 files (projected) | Reduction |
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  |---|---|---|---|
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+ | Raw WARC (.warc.gz, downloaded) | ~161.3 GB | ~83 TB | — |
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+ | HTML extracted (uncompressed) | 480.8 GB | ~295 TB | — |
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  | Packed markdown WARC (.md.warc.gz) | ~8.1 GB | ~3.7 TB | **-98.3%** vs HTML |
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  | Final Parquet (Zstd level 19) | 5.5 GB | ~2.9 TB | **-32.0%** 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 480.8 GB of uncompressed HTML down to 17.3 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 68.1%.
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+ End to end: ~161.3 GB of raw gzipped WARCs becomes **5.5 GB of Parquet** — a **96.6% total reduction** — containing 3,884,851 clean markdown documents.
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  ### Processing Times
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+ Pipeline timings across 199 shards of CC-MAIN-2026-08:
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  ```
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+ Download (raw WARC) ████████████████████████ total 6h 32m 23s avg 1m 58s
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  Convert (HTML → MD) █░░░░░░░░░░░░░░░░░░░░░░░ total 16m 2s avg 4s
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+ Export (Parquet) ████░░░░░░░░░░░░░░░░░░░░ total 1h 20m 39s avg 24s
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+ Publish (HuggingFace) ███████████░░░░░░░░░░░░░ total 3h 2m 46s avg 55s
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  ```
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  ### Dataset Charts
data/CC-MAIN-2026-08/00882.parquet ADDED
@@ -0,0 +1,3 @@
 
 
 
 
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+ version https://git-lfs.github.com/spec/v1
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+ oid sha256:4971ca3fbe4bb92dbb26e04003497024c6d47451c2efa92760e8b704df1a749a
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+ size 28905096
stats.csv CHANGED
@@ -81,6 +81,7 @@ CC-MAIN-2026-08,131,19422,2598169280,95072518,29574460,2026-03-13T08:27:39Z,97,0
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  CC-MAIN-2026-08,132,19435,2544146767,92405646,29839524,2026-03-13T08:31:23Z,177,0,36,9
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  CC-MAIN-2026-08,133,19763,2615231266,98239071,31556189,2026-03-13T08:33:22Z,86,0,22,8
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  CC-MAIN-2026-08,134,19342,2557433709,95423683,30581325,2026-03-13T08:35:45Z,97,0,22,22
 
84
  CC-MAIN-2026-08,251,19610,2594898345,97558492,31917087,2026-03-13T06:42:12Z,277,0,23,136
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  CC-MAIN-2026-08,252,19240,2525928701,98163046,31104034,2026-03-13T06:47:10Z,238,0,49,10
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  CC-MAIN-2026-08,253,19312,2557230855,96017199,30399966,2026-03-13T06:51:42Z,130,0,23,117
@@ -138,7 +139,7 @@ CC-MAIN-2026-08,419,19194,2561603300,96400023,29675491,2026-03-13T08:27:11Z,177,
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  CC-MAIN-2026-08,420,19249,2536627915,90222165,28412577,2026-03-13T08:29:34Z,86,0,19,37
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  CC-MAIN-2026-08,421,19425,2579210908,95275597,30546957,2026-03-13T08:32:40Z,126,0,23,35
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  CC-MAIN-2026-08,422,19427,2555156689,91998757,28929921,2026-03-13T08:35:01Z,110,0,22,7
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- CC-MAIN-2026-08,423,19529,2593089061,91877466,30698634,2026-03-13T08:36:48Z,85,0,20,0
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  CC-MAIN-2026-08,551,19551,2609034951,89980913,29167227,2026-03-13T06:42:51Z,280,0,20,176
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  CC-MAIN-2026-08,552,19402,2594817630,94092761,30309254,2026-03-13T06:48:30Z,211,0,46,80
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  CC-MAIN-2026-08,553,19856,2617133708,99106486,30365588,2026-03-13T06:52:51Z,116,0,23,120
@@ -196,3 +197,4 @@ CC-MAIN-2026-08,878,19371,2591184192,98118180,30281755,2026-03-13T08:25:59Z,147,
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  CC-MAIN-2026-08,879,19553,2569444239,95701279,30858541,2026-03-13T08:28:36Z,88,0,23,43
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  CC-MAIN-2026-08,880,19493,2562178225,98671696,30493564,2026-03-13T08:32:06Z,154,0,26,28
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  CC-MAIN-2026-08,881,19336,2555937495,93001627,29739925,2026-03-13T08:35:55Z,143,0,21,63
 
 
81
  CC-MAIN-2026-08,132,19435,2544146767,92405646,29839524,2026-03-13T08:31:23Z,177,0,36,9
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  CC-MAIN-2026-08,133,19763,2615231266,98239071,31556189,2026-03-13T08:33:22Z,86,0,22,8
83
  CC-MAIN-2026-08,134,19342,2557433709,95423683,30581325,2026-03-13T08:35:45Z,97,0,22,22
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+ CC-MAIN-2026-08,135,19366,2564048477,96359527,30751456,2026-03-13T08:38:10Z,110,0,34,0
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  CC-MAIN-2026-08,251,19610,2594898345,97558492,31917087,2026-03-13T06:42:12Z,277,0,23,136
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  CC-MAIN-2026-08,252,19240,2525928701,98163046,31104034,2026-03-13T06:47:10Z,238,0,49,10
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  CC-MAIN-2026-08,253,19312,2557230855,96017199,30399966,2026-03-13T06:51:42Z,130,0,23,117
 
139
  CC-MAIN-2026-08,420,19249,2536627915,90222165,28412577,2026-03-13T08:29:34Z,86,0,19,37
140
  CC-MAIN-2026-08,421,19425,2579210908,95275597,30546957,2026-03-13T08:32:40Z,126,0,23,35
141
  CC-MAIN-2026-08,422,19427,2555156689,91998757,28929921,2026-03-13T08:35:01Z,110,0,22,7
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+ CC-MAIN-2026-08,423,19529,2593089061,91877466,30698634,2026-03-13T08:37:01Z,85,0,20,12
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  CC-MAIN-2026-08,551,19551,2609034951,89980913,29167227,2026-03-13T06:42:51Z,280,0,20,176
144
  CC-MAIN-2026-08,552,19402,2594817630,94092761,30309254,2026-03-13T06:48:30Z,211,0,46,80
145
  CC-MAIN-2026-08,553,19856,2617133708,99106486,30365588,2026-03-13T06:52:51Z,116,0,23,120
 
197
  CC-MAIN-2026-08,879,19553,2569444239,95701279,30858541,2026-03-13T08:28:36Z,88,0,23,43
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  CC-MAIN-2026-08,880,19493,2562178225,98671696,30493564,2026-03-13T08:32:06Z,154,0,26,28
199
  CC-MAIN-2026-08,881,19336,2555937495,93001627,29739925,2026-03-13T08:35:55Z,143,0,21,63
200
+ CC-MAIN-2026-08,882,19452,2590686157,88956978,28905096,2026-03-13T08:38:26Z,118,0,31,0