feat: event-driven runner count cache to reduce DescribeInstances - #5281

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yalafe wants to merge 9 commits into

github-aws-runners:mainfrom

yalafe:feat/runner-count-cache-upstream

Commits on Aug 18, 2026

WIP: import PR #4983 (runner count cache) files onto upstream main
yalafe
committed
ccf0f19
Reconcile #4983 cache.ts with upstream: split runner-count caches into runner-count-cache.ts
yalafe
committed
faeab7a
Make runner-count-cache counter idempotent (per-instance marker + TransactWriteItems)
yalafe
committed
388646e
Add DLQ + retry policy + depth alarm to runner-count-cache EventBridge target
yalafe
committed
35f5542
Wire runner-count cache into scale-up via a generic provider decorator
yalafe
committed
62fafe8

Commits on Aug 19, 2026

Commits on Aug 23, 2026

refactor(scale-up): move runner count cache into the EC2 compute provider
yalafe
committed
b8694b6