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Add peerDAS computation metric #7205

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Jun 3, 2025
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Add peerDAS computation metric #7205

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8 changes: 8 additions & 0 deletions beacon_chain/gossip_processing/eth2_processor.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,10 @@ declareHistogram data_column_sidecar_delay,
"Time(s) betweeen slot start and data column sidecar reception",
buckets = delayBuckets

declareHistogram beacon_data_column_sidecar_computation_seconds,
"Time taken to compute data column sidecar, including cells and inclusion proof",
buckets = [0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0, Inf]

type
DoppelgangerProtection = object
broadcastStartEpoch*: Epoch ##\
Expand Down Expand Up @@ -381,11 +385,15 @@ proc validateDataColumnSidecarFromEL*(
flat_proof.add(kzg.KzgProof(bytes: proof.data))

let
recover_start_time = Moment.now()
recovered_columns =
assemble_data_column_sidecars(
forkyBlck,
blobsEl.mapIt(kzg.KzgBlob(bytes: it.blob.data)),
flat_proof)
recover_end_time = Moment.now()
recover_dur = recover_end_time - recover_start_time
beacon_data_column_sidecar_computation_seconds.observe(recover_dur.toFloatSeconds())

# Pop out the column sidecars as we have all columns from the EL
discard self.dataColumnQuarantine[].popSidecars(block_root,
Expand Down
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