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Support multi-threading when supplying a path/FileInfo #712

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opened 2026-01-29 22:16:18 +00:00 by claunia · 0 comments
claunia commented 2026-01-29 22:16:18 +00:00
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Originally created by @adamhathcock on GitHub (Oct 30, 2025).

Originally assigned to: @adamhathcock, @Copilot on GitHub.

Since the ultimate source is a local file, there's no reason multi-threading won't work for some formats. What is required:

  • a format that supports header reading separate from bytes or one that can skip entries (e.g. Zip, Rar, Tar)
  • compressed entries can be read from separate parts simultaneously (probably most?)
  • known non-supporting as things are single compressed streams that usually wrap a Tar (Gzip, BZip2, etc)
  • unknown: "SOLID" support. SOLID Rars and 7ZIps compress headers with entry bytes. 7Zip might be able to work but differently. If the entire Rar is SOLID then it's like a Gzipped Tar which can't really work either.
Originally created by @adamhathcock on GitHub (Oct 30, 2025). Originally assigned to: @adamhathcock, @Copilot on GitHub. Since the ultimate source is a local file, there's no reason multi-threading won't work for some formats. What is required: - a format that supports header reading separate from bytes or one that can skip entries (e.g. Zip, Rar, Tar) - compressed entries can be read from separate parts simultaneously (probably most?) - known non-supporting as things are single compressed streams that usually wrap a Tar (Gzip, BZip2, etc) - unknown: "SOLID" support. SOLID Rars and 7ZIps compress headers with entry bytes. 7Zip might be able to work but differently. If the entire Rar is SOLID then it's like a Gzipped Tar which can't really work either.
claunia added the enhancement label 2026-01-29 22:16:18 +00:00
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Reference: starred/sharpcompress#712
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