improve(ci): rebalance compact Node shards from hosted medians (#122547)

* ci: refresh compact Node shard timings

Amp-Thread-ID: https://ampcode.com/threads/T-019ff3db-c467-70ad-8ed3-81f2ba94b0c0

* docs(ci): clarify compact planner counts

Amp-Thread-ID: https://ampcode.com/threads/T-019ff3db-c467-70ad-8ed3-81f2ba94b0c0

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Co-authored-by: Amp <amp@ampcode.com>
This commit is contained in:
Peter Steinberger
2026-08-12 03:41:34 -07:00
committed by GitHub
parent fea6d96378
commit 786c646d88
3 changed files with 142 additions and 115 deletions
+1 -1
View File
@@ -119,7 +119,7 @@ The slowest Node test families are split or balanced so each job stays small wit
- Auto-reply runs as balanced workers, with the reply subtree split into agent-runner, commands, dispatch, session, and state-routing shards.
- Agentic gateway/server (control-plane) configs split across chat, auth, model, HTTP/plugin, runtime, and startup lanes instead of waiting on built artifacts.
- Normal CI packs only isolated infra include-pattern shards into deterministic bundles of at most 64 test files, reducing the Node matrix without merging non-isolated command/cron, stateful agents-core, or gateway/server suites. Heavy fixed suites stay on 8 vCPU while the bundled and lower-weight lanes use 4 vCPU.
- Pull requests on the canonical repository reuse the changed-test resolver against the synthetic merged-tree diff. Precise changes run one targeted Node job; each selected test file gets its own process so stateful suite isolation remains intact. The planner combines sibling tests with import-graph dependents and falls back to the existing 14-job compact full-suite plan for workspace package, package/lockfile, shared harness, split-config, renamed, or deleted changes, public extension-contract changes, tests with special shard setup, partially resolved or empty targets, oversized path or target plans, and planner errors. Targeted plans always retain the full built-artifact boundary gate because its repository scanners cannot be derived from imports. `main` pushes run the same full compact suite: pending intermediate push events can be coalesced, so the newest surviving run must validate the complete integration tree rather than only its final single-push diff. Manual dispatches and release gates retain the full named per-shard matrix. Compact packing uses fleet timing hints without changing the bounded job count; the high-variance source/security group remains isolated so its tail does not serialize unrelated groups.
- Pull requests on the canonical repository reuse the changed-test resolver against the synthetic merged-tree diff. Precise changes run one targeted Node job; each selected test file gets its own process so stateful suite isolation remains intact. The planner combines sibling tests with import-graph dependents and falls back to the existing 23-job compact full-suite plan for workspace package, package/lockfile, shared harness, split-config, renamed, or deleted changes, public extension-contract changes, tests with special shard setup, partially resolved or empty targets, oversized path or target plans, and planner errors. Targeted plans always retain the full built-artifact boundary gate because its repository scanners cannot be derived from imports. `main` pushes run the same full compact suite: pending intermediate push events can be coalesced, so the newest surviving run must validate the complete integration tree rather than only its final single-push diff. Manual dispatches and release gates retain the full named per-shard matrix. Compact packing uses median group walls refreshed from multiple successful hosted runs without changing the bounded job count; the high-variance source/security group remains isolated so its tail does not serialize unrelated groups.
- The full Node matrix admits the consistently slow serial tooling, auto-reply command shards, and broad core-fast cache writer first. This keeps the 28-job cap while preventing critical-path work and the next run's transform seed from slipping into a later wave.
- The three serial Control UI browser shards greedily pack discovered test files by source byte size. This zero-state duration proxy avoids Vitest's equal-file-count hash clustering, automatically accounts for new and changed files, and preserves the same complete test inventory without adding runners.
- Broad browser, QA, media, and miscellaneous plugin tests use their dedicated Vitest configs instead of the shared plugin catch-all. Include-pattern shards record timing entries using the CI shard name, so `.artifacts/vitest-shard-timings.json` can distinguish a whole config from a filtered shard.