56 // Sync
from Metamuse Hosted by Adam Wiggins, Mark McGranaghan, Adam Wulf
The foundational technology for Muse 2 is local-first sync, which draws from over a decade of computer science research on CRDTs. Mark, Adam Wiggins, and Adam Wulf get technical to describe the Muse sync technology architecture in detail. Topics include the difference between transactional, blob, and ephemeral data; the “atoms” concept inspired by Datomic; Protocol Buffers; and the user’s data as a bag of edits. Plus: why sync is a powerful substrate for end-user programming. Discuss this episode in the Muse community Follow @MuseAppHQ on Twitter Show notes Adam Wulf @adamwulf Fantastical Loose Leaf Wulf’s iOS ink libraries OpenGL Bézier curves Houston Muse 2.0 launches May 24 Metamuse episode on local-first software Core Data Pocket Clue, Wunderlist CouchDB, Firebase Adam’s writeup on sync technologies from 2014 Evernote Pixelpusher Slow Software CRDTs, operational transform Automerge Actual Budget last write wins Actual open source hybrid logical clock, vector clock CloudKit lazy loading API versioning Protocol Buffers Wulf’s article on atoms Datomic “put a UUID and a version number on everything” Swift property wrappers functional reactive programming Sourcery Sentry HDD indicator light Muse job post for a local-first engineer Local-first day at ECOOP 2022
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