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perf: avoid async cron timer callbacks

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This commit is contained in:
Peter Steinberger
2026-02-16 02:31:21 +00:00
parent 8515ae6eea
commit 17e5a5015c
2 changed files with 80 additions and 58 deletions
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19
src/cron/service/timer.ts
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@@ -144,12 +144,13 @@ export function armTimer(state: CronServiceState) {
// Wake at least once a minute to avoid schedule drift and recover quickly
// when the process was paused or wall-clock time jumps.
const clampedDelay = Math.min(delay, MAX_TIMER_DELAY_MS);
state.timer = setTimeout(async () => {
try {
await onTimer(state);
} catch (err) {
// Intentionally avoid an `async` timer callback:
// Vitest's fake-timer helpers can await async callbacks, which would block
// tests that simulate long-running jobs. Runtime behavior is unchanged.
state.timer = setTimeout(() => {
void onTimer(state).catch((err) => {
state.deps.log.error({ err: String(err) }, "cron: timer tick failed");
}
});
}, clampedDelay);
state.deps.log.debug(
{ nextAt, delayMs: clampedDelay, clamped: delay > MAX_TIMER_DELAY_MS },
@@ -172,12 +173,10 @@ export async function onTimer(state: CronServiceState) {
if (state.timer) {
clearTimeout(state.timer);
}
state.timer = setTimeout(async () => {
try {
await onTimer(state);
} catch (err) {
state.timer = setTimeout(() => {
void onTimer(state).catch((err) => {
state.deps.log.error({ err: String(err) }, "cron: timer tick failed");
}
});
}, MAX_TIMER_DELAY_MS);
return;
}