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Metrics for sync aggregate fullness (#2439)

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## Issue Addressed

NA

## Proposed Changes

Adds a metric to see how many set bits are in the sync aggregate for each beacon block being imported.

## Additional Info

NA
This commit is contained in:
Paul Hauner
2021-07-13 02:22:55 +00:00
parent 27aec1962c
commit 9656ffee7c
4 changed files with 35 additions and 4 deletions
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20
beacon_node/beacon_chain/src/beacon_chain.rs
View File

@@ -1976,10 +1976,22 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
drop(validator_monitor);
metrics::observe(
&metrics::OPERATIONS_PER_BLOCK_ATTESTATION,
block.body().attestations().len() as f64,
);
// Only present some metrics for blocks from the previous epoch or later.
//
// This helps avoid noise in the metrics during sync.
if block.slot().epoch(T::EthSpec::slots_per_epoch()) + 1 >= self.epoch()? {
metrics::observe(
&metrics::OPERATIONS_PER_BLOCK_ATTESTATION,
block.body().attestations().len() as f64,
);
if let Some(sync_aggregate) = block.body().sync_aggregate() {
metrics::set_gauge(
&metrics::BLOCK_SYNC_AGGREGATE_SET_BITS,
sync_aggregate.num_set_bits() as i64,
);
}
}
let db_write_timer = metrics::start_timer(&metrics::BLOCK_PROCESSING_DB_WRITE);

4
beacon_node/beacon_chain/src/metrics.rs
View File

@@ -54,6 +54,10 @@ lazy_static! {
"beacon_block_processing_attestation_observation_seconds",
"Time spent hashing and remembering all the attestations in the block"
);
pub static ref BLOCK_SYNC_AGGREGATE_SET_BITS: Result<IntGauge> = try_create_int_gauge(
"block_sync_aggregate_set_bits",
"The number of true bits in the last sync aggregate in a block"
);
/*
* Block Production