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PostHog / duckgres Public

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Implement scalable remote control-plane coordination#374

Merged

bill-ph merged 41 commits intomainPostHog/duckgres:mainfrom

scalable-cpPostHog/duckgres:scalable-cpCopy head branch name to clipboard

Mar 27, 2026

Conversation Commits41 (41)Checks Files changed

Merged

Implement scalable remote control-plane coordination#374
bill-ph merged 41 commits intomainfrom
scalable-cp

Commits

Commits on Mar 26, 2026

Add runtime config store foundation
bill-ph
committed
Track control plane runtime lifecycle
bill-ph
committed
Use label-based worker ownership metadata
bill-ph
committed
Propagate durable control plane instance IDs
bill-ph
committed
Persist durable worker lifecycle records
bill-ph
committed
Fence worker control RPCs by owner epoch
bill-ph
committed
Add transactional idle worker claims
bill-ph
committed
Add leader-elected janitor for stale cp expiry
bill-ph
committed
Share the default worker auth secret across replicas
bill-ph
committed
Track explicit worker pod names
bill-ph
committed
Claim and adopt idle runtime workers
bill-ph
committed
Add runtime spawning slot allocator
bill-ph
committed
Use runtime spawn slots on cold reservations
bill-ph
committed
Use runtime spawn slots for warm capacity
bill-ph
committed
Expand janitor runtime cleanup loops
bill-ph
committed
Add durable Flight session reconnects
bill-ph
committed
Drain planned shutdowns before exit
bill-ph
committed
Document remote control-plane rollout semantics
bill-ph
committed
Tighten durable Flight reconnect lifecycle
bill-ph
committed
Fence worker control paths by full owner identity
bill-ph
committed
Hand over janitor leadership during drain
bill-ph
committed
Enforce org caps on runtime idle claims
bill-ph
committed
Return shared warm workers to neutral idle
bill-ph
committed
Keep tenant-touched workers disposable
bill-ph
committed

Commits on Mar 27, 2026

Make warm-pool maintenance leader-only
bill-ph
committed
Add janitor max-drain timeout backstop
bill-ph
committed
Route Flight reconnects by durable org
bill-ph
committed
Use ECR mirror for CI Postgres services
bill-ph
committed
Stabilize kind image pulls in CI
bill-ph
committed
Sanitize worker cp-instance labels
bill-ph
committed
Make control plane instance IDs label-safe
bill-ph
committed
Align k8s integration tests with label ownership
bill-ph
committed
Exercise crash-style cp deletion in k8s test
bill-ph
committed
Fix janitor cleanup in kind k8s tests
bill-ph
committed
Return explicit stale takeover errors
bill-ph
committed
Keep janitor cleanup running after expiry errors
bill-ph
committed
Recheck takeover liveness and classify reconnect failures
bill-ph
committed
Remove worker lease expiry from runtime state
bill-ph
committed
Unify flight session record lookup semantics
bill-ph
committed
Stabilize janitor and runtime tracker tests
bill-ph
committed
Remove obsolete control-plane manifest
bill-ph
committed

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