colineonset

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Onset: version control where nobody waits and nothing gets lost. The on command, its core and onset-server.

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coline/onset

colineonset

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Onset: version control where nobody waits and nothing gets lost. The on command, its core and onset-server.

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perf(vcs): landing on the host without waiting, with fewer writes

Radin committed …

Author: Radin · radin@coline.appOct 28, 2026 at 03:49
Committer: Radin · radin@coline.appOct 28, 2026 at 03:49
Parents: 0b7cee1fc905

perf(vcs): landing on the host without waiting, with fewer writes

Inside a project's Durable Object a landing went from 3.2 ms to 1.5 ms
(32 at once: 9.6 to 3.4 ms); over HTTP, one project with 300 agents went
from about 157 lands a second to 192.

- SHA-256 runs in the core: Web Crypto's digest is asynchronous, and a
  landing waited on it twice (about 1.6 ms).
- Edits on the latest version are worked out in the landing turn, on main
  as it is then: no merge, and one new copy of each folder instead of two.
- Rules are read once; objects aren't looked up before inserting them
  (the insert skips what's there); storage counters are written once a
  batch: 31 SQL statements a landing to 18.
- Landings for one project that reach a Worker while its last call is
  still out go together in one call (Workers keep waiting requests alive
  with a timer, or they're taken for hung).

Measured: one Durable Object takes about 600 calls a second that do
nothing, so a project's ceiling over HTTP is set by calls, not work.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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