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port today's keyed work to dev, which is the branch the worker builds - #2903

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Flotapponnier merged 1 commit into
devfrom
port/cold-tier-dev
Oct 8, 2026
Merged

Flotapponnier merged 1 commit into
devfrom
port/cold-tier-dev

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port today's keyed work to dev, which is the branch the worker builds

Everything from the connection-reuse incident landed on main: the two-arm
harness (#2896), the cold recording rules (#2899) and the cold-start cohort on
the nine keyed specs (#2902). The materialise worker clones DEV at build time,
so none of it can reach a page until the specs exist here. That is why
?tier=keyed-cold currently serves the public provider list: the worker's
snapshot predates the new tier and falls through to the default cohort.

Same content as main:

9 specs the keyed-cold cohort, 36 provider clones on the cold metric
probe.go warm and cold transports, alternating, plus the gated conn trace
metrics.go rpc_latency_cold_milliseconds and its histogram
rules ocb:rpc_latency_cold_milliseconds:{p50,p90,p99,mean}_24h

pnpm validate 246 specs, go build clean.

After this merges the worker still needs a rebuild, and there is roughly a
72-minute display floor before the pages show it.

Everything from the connection-reuse incident landed on main: the two-arm
harness (#2896), the cold recording rules (#2899) and the cold-start cohort on
the nine keyed specs (#2902). The materialise worker clones DEV at build time,
so none of it can reach a page until the specs exist here. That is why
?tier=keyed-cold currently serves the public provider list: the worker's
snapshot predates the new tier and falls through to the default cohort.

Same content as main:

  9 specs      the keyed-cold cohort, 36 provider clones on the cold metric
  probe.go     warm and cold transports, alternating, plus the gated conn trace
  metrics.go   rpc_latency_cold_milliseconds and its histogram
  rules        ocb:rpc_latency_cold_milliseconds:{p50,p90,p99,mean}_24h

pnpm validate 246 specs, go build clean.

After this merges the worker still needs a rebuild, and there is roughly a
72-minute display floor before the pages show it.
@Flotapponnier
Flotapponnier merged commit db4a3e4 into dev Oct 8, 2026
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