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Add cache metrics

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This commit is contained in:
Paul Hauner
2020-01-17 14:59:42 +11:00
parent 52dfb61de0
commit fd0a1c44aa
2 changed files with 9 additions and 1 deletions
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6
beacon_node/beacon_chain/src/fork_choice/checkpoint_manager.rs
View File

@@ -1,5 +1,5 @@
use super::Error;
use crate::{BeaconChain, BeaconChainTypes};
use crate::{metrics, BeaconChain, BeaconChainTypes};
use proto_array_fork_choice::ProtoArrayForkChoice;
use ssz_derive::{Decode, Encode};
use types::{BeaconState, Checkpoint, Epoch, EthSpec, Hash256, Slot};
@@ -201,8 +201,12 @@ impl CheckpointManager {
chain: &BeaconChain<T>,
) -> Result<Vec<u64>, Error> {
if let Some(balances) = self.balances_cache.get(block_root) {
metrics::inc_counter(&metrics::BALANCES_CACHE_HITS);
Ok(balances)
} else {
metrics::inc_counter(&metrics::BALANCES_CACHE_MISSES);
let block = chain
.get_block_caching(&block_root)?
.ok_or_else(|| Error::UnknownJustifiedBlock(block_root))?;

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

@@ -138,6 +138,10 @@ lazy_static! {
"beacon_fork_choice_process_attestation_seconds",
"Time taken to add an attestation to fork choice"
);
pub static ref BALANCES_CACHE_HITS: Result<IntCounter> =
try_create_int_counter("beacon_balances_cache_hits_total", "Count of times balances cache fulfils request");
pub static ref BALANCES_CACHE_MISSES: Result<IntCounter> =
try_create_int_counter("beacon_balances_cache_misses_total", "Count of times balances cache fulfils request");
/*
* Persisting BeaconChain to disk