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Thank you to my supporters
Crowdfunding supporters include: Ably, Adrià Arcarons, Chet
Corcos, Macrometa, Mintter, David Pollak, RelationalAI,
SoftwareMill, Talent Formation Network, Adam Wiggins
https://www.patreon.com/martinkl
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File size
JSON (uncompressed) 146,406,415 bytes
JSON + gzip 6,132,895 bytes
Custom binary format 302,067 bytes
20 x
Benchmark data: keystroke-by-keystroke editing trace of a text file (LaTeX
source of a research paper) containing 182,315 single-character insertions,
77,463 single-character deletions, and 102,049 cursor movements.
Total: 361,827 operations.
Compressing CRDT metadata in Automerge
24 x
≈ 0.8 bytes per operation!
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File size File size (gzipped)
Full document history,
JSON format
146,406,415 bytes 6,132,895 bytes
Full document history,
custom binary format
695,298 bytes 302,067 bytes
Document history with
cursor movements omitted
570,992 bytes 214,889 bytes
CRDT document with
editing history omitted
228,153 bytes 114,821 bytes
CRDT document with
tombstones removed
154,418 bytes 63,249 bytes
Baseline: plain text with
no CRDT metadata
104,852 bytes 27,569 bytes
48%
48%
150%
22%
211 x
Benchmark data: keystroke-by-keystroke editing trace of a text file (LaTeX source of
a research paper) containing 182,315 single-character insertions, 77,463 single-
character deletions, and 102,049 cursor movements.
Compressing CRDT metadata in Automerge
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Resources
Automerge https://github.com/automerge/automerge
Publications https://martin.kleppmann.com/#publications
Email [email protected]
Twitter @martinkl
Book http://dataintensive.net/
Support me https://www.patreon.com/martinkl
Huge thanks to my collaborators and the Automerge community
and contributors, especially Peter van Hardenberg, Orion Henry,
Alex Good, Andrew Jeffery, Herb Caudill, and many others!