root/fusion
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat(FN-5319): tighten scheduler queued-concurrency memo key to reduce fals

Browse Source 
Add regression tests for queued concurrency in the scheduler and tighten the memo key used to track queued tasks, improving correctness of scheduler dispatch decisions.

Fusion-Task-Id: FN-5319
This commit is contained in:
Fusion (runfusion.ai)
2026-05-20 06:51:35 -07:00
committed by gsxdsm
parent 9efcf9375a
commit cee2c1385a
2 changed files with 107 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
packages/engine/src/scheduler.ts
View File

@@ -189,22 +189,13 @@ function formatConcurrencyLimitReason(diagnostic: ConcurrencyGateDiagnostic): st
return `queued — concurrency limit reached: gate=${gateLabel}; ${details.join("; ")}`;
}
function formatConcurrencyLimitMemoKey(diagnostic: ConcurrencyGateDiagnostic): string {
export function formatConcurrencyLimitMemoKey(diagnostic: ConcurrencyGateDiagnostic): string {
const gates = diagnostic.bindingGates.join(",");
const gateDetails = diagnostic.bindingGates.map((gate) => {
const snapshot = gate === "maxConcurrent"
? diagnostic.maxConcurrentGate
: gate === "maxWorktrees"
? diagnostic.maxWorktreesGate
: diagnostic.semaphoreGate;
const holders = diagnostic.holders[gate];
const holderKey = holders && holders.length > 0 ? holders.join(",") : "none";
if (!snapshot) {
return `${gate}:missing:${holderKey}`;
}
return `${gate}:${snapshot.used}/${snapshot.limit}:${holderKey}`;
});
return `queued-concurrency:${gates}:${gateDetails.join("|")}`;
const bindingHolders = [...new Set(
diagnostic.bindingGates.flatMap((gate) => diagnostic.holders[gate] ?? []),
)].sort();
const holderKey = bindingHolders.length > 0 ? bindingHolders.join(",") : "none";
return `queued-concurrency:${gates}:holders=${holderKey}`;
}
export interface SchedulerOptions {