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improvement(background): right-size the two knowledge task machines #7212

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Merged
waleedlatif1 merged 1 commit into from
Aug 28, 2026
+15 −2
Merged

improvement(background): right-size the two knowledge task machines #7212

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9 changes: 8 additions & 1 deletion apps/sim/background/knowledge-connector-sync.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,14 @@ export async function executeConnectorSyncJob(payload: unknown) {
export const knowledgeConnectorSync = task({
id: 'knowledge-connector-sync',
maxDuration: CONNECTOR_SYNC_MAX_DURATION_SECONDS,
machine: 'large-2x',
/**
* Sized from production telemetry: peak sampled RSS 2.6 GB and peak 1.4 vCPU,
* so `large-1x` holds ~3x memory and ~2.8x CPU headroom. No `outOfMemory`
* escalation: an OOM is a SIGKILL, so the run never reaches the terminal
* write that clears `syncLockToken`, and the escalated attempt would find the
* row still `syncing` and skip. The stale-lock reaper owns that recovery.
*/
machine: 'large-1x',
retry: {
maxAttempts: 3,
factor: 2,
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8 changes: 7 additions & 1 deletion apps/sim/background/knowledge-processing.ts
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Expand Up @@ -135,7 +135,13 @@ export async function runDocumentProcessing(
export const processDocument = task({
id: 'knowledge-process-document',
maxDuration: envNumber(env.KB_CONFIG_MAX_DURATION, 600),
machine: 'large-1x', // 4 vCPU, 8GB RAM - needed for large PDF processing
/**
* Sized from production telemetry: peak sampled RSS 902 MB and peak 1.2 vCPU
* across a corpus where no document exceeded 2 GB, so `medium-2x` holds ~4x
* memory and ~1.7x CPU headroom over the observed worst case. The prior
* `large-1x` reserved 8 GB against a worst case using an eighth of it.
*/
machine: 'medium-2x',
retry: {
maxAttempts: envNumber(env.KB_CONFIG_MAX_ATTEMPTS, 3),
factor: envNumber(env.KB_CONFIG_RETRY_FACTOR, 2),
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