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fix(cu): add pending evals metric for alerts #1105

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fix(cu): add pending evals metric for alerts #1105

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7dad06f
fix(cu): add pending evals metric for alerts
bredamatt Jan 10, 2025
d093512
fix: increment/decrement pendingEvaluationCounter based on appropriat…
bredamatt Jan 16, 2025
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19 changes: 19 additions & 0 deletions servers/cu/src/bootstrap.js
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,12 @@ export const createApis = async (ctx) => {
onCreateWorker: onCreateWorker('primary')
})
const primaryWorkQueue = new PQueue({ concurrency: maxPrimaryWorkerThreads })
primaryWorkQueue.on('add', () => {
pendingEvaluationCounter.inc(1, { type: 'primary' })
})
primaryWorkQueue.on('next', () => {
pendingEvaluationCounter.dec(1, { type: 'primary' })
})

const maxDryRunWorkerTheads = Math.max(
1,
Expand All @@ -152,6 +158,12 @@ export const createApis = async (ctx) => {
maxQueueSize: ctx.WASM_EVALUATION_WORKERS_DRY_RUN_MAX_QUEUE
})
const dryRunWorkQueue = new PQueue({ concurrency: maxDryRunWorkerTheads })
dryRunWorkQueue.on('add', () => {
pendingEvaluationCounter.inc(1, { type: 'dry-run' })
})
dryRunWorkQueue.on('next', () => {
pendingEvaluationCounter.dec(1, { type: 'dry-run' })
})

const arweave = ArweaveClient.createWalletClient()
const address = ArweaveClient.addressWith({ WALLET: ctx.WALLET, arweave })
Expand Down Expand Up @@ -294,6 +306,12 @@ export const createApis = async (ctx) => {
labelNames: ['stream_type', 'message_type', 'process_error']
})

const pendingEvaluationCounter = MetricsClient.counterWith({})({
name: 'ao_process_pending_evaluations',
description: 'The total number of pending evaluations on a CU',
labelNames: ['type']
})

/**
* TODO: Gas can grow to a huge number. We need to make sure this doesn't crash when that happens
*/
Expand Down Expand Up @@ -330,6 +348,7 @@ export const createApis = async (ctx) => {
logger
}),
evaluationCounter,
pendingEvaluationCounter,
// gasCounter,
saveProcess: AoProcessClient.saveProcessWith({ db, logger }),
findEvaluation: AoEvaluationClient.findEvaluationWith({ db, logger }),
Expand Down
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