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feat: track prepare next epoch time #6256

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merged 3 commits into from
Jan 8, 2024
Merged

feat: track prepare next epoch time #6256

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fc4ba7b
feat: track prepare next epoch time
twoeths Jan 8, 2024
487f832
Update packages/beacon-node/src/metrics/metrics/lodestar.ts
wemeetagain Jan 8, 2024
624588c
Align variable name of timer with histogram naming
nflaig Jan 8, 2024
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5 changes: 5 additions & 0 deletions packages/beacon-node/src/chain/prepareNextSlot.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,9 @@ export class PrepareNextSlotScheduler {
headRoot,
isEpochTransition,
});
const precomputeEpochTransitionTimer = isEpochTransition
? this.metrics?.precomputeNextEpochTransition.duration.startTimer()
: null;
// No need to wait for this or the clock drift
// Pre Bellatrix: we only do precompute state transition for the last slot of epoch
// For Bellatrix, we always do the `processSlots()` to prepare payload for the next slot
Expand Down Expand Up @@ -133,6 +136,8 @@ export class PrepareNextSlotScheduler {
prepareSlot,
previousHits,
});

precomputeEpochTransitionTimer?.();
}

if (isExecutionStateType(prepareState)) {
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5 changes: 5 additions & 0 deletions packages/beacon-node/src/metrics/metrics/lodestar.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1298,6 +1298,11 @@ export function createLodestarMetrics(
name: "lodestar_precompute_next_epoch_transition_waste_total",
help: "Total number of precomputing next epoch transition wasted",
}),
duration: register.histogram({
name: "lodestar_precompute_next_epoch_transition_duration_seconds",
help: "Duration of precomputeNextEpochTransition, including epoch transition and hashTreeRoot",
buckets: [1, 2, 3, 4, 8],
}),
},

// reprocess attestations
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