Better explanation about continuous updates (#7)
Browse files- Better explanation about continuous updates (eb5580619e9502d54c61ecfe465ef59e237eafa7)
Co-authored-by: Shih-Ying Yeh <KBlueLeaf@users.noreply.huggingface.co>
README.md
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@@ -39,6 +39,7 @@ Images are provided in the full original form (be that JPG, PNG, GIF or otherwis
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The reason for the bucketing is that a single directory would cause pathological filesystem performance, and modulo ID is a simple hash which spreads images evenly without requiring additional future directories to be made or a filesystem IO to check where the file is. The ID is not zero-padded and files end in the relevant extension, hence the file layout looks like this:
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```bash
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$ tree / | less
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@@ -53,8 +54,23 @@ $ tree / | less
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│ │ │ ├── 210001.png
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│ │ │ ├── 3120001.webp
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│ │ │ ├── 6513001.jpg
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```
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Currently represented file extensions are: avi/bmp/gif/html/jpeg/jpg/mp3/mp4/mpg/pdf/png/rar/swf/webm/wmv/zip.
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The reason for the bucketing is that a single directory would cause pathological filesystem performance, and modulo ID is a simple hash which spreads images evenly without requiring additional future directories to be made or a filesystem IO to check where the file is. The ID is not zero-padded and files end in the relevant extension, hence the file layout looks like this:
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```bash
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$ tree / | less
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│ │ │ ├── 210001.png
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│ │ │ ├── 3120001.webp
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│ │ │ ├── 6513001.jpg
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│ │
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│ ├── recent
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│ │ ├── 0000 -> data-1000.tar
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│ │ ├── 0001 -> data-1001.tar
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│ │
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│ ├── updates
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│ │ ├── 20240319
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│ │ │ ├── dataset-0.tar
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│ │ │ ├── dataset-1.tar
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│ │ │
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│ │ ├── 2024xxxx
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│ │ │ ├── dataset-0.tar
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│ │ │ ├── dataset-1.tar
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```
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Where `data-{1000..1999}.tar` refer to recent update files (should be updated every few months) and `updates` refer to fast patches (should be updated every few days to few weeks).
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Currently represented file extensions are: avi/bmp/gif/html/jpeg/jpg/mp3/mp4/mpg/pdf/png/rar/swf/webm/wmv/zip.
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