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Add beacon chain persistence metric

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This commit is contained in:
Paul Hauner 2019-08-11 18:28:57 +10:00
parent 42d300bdc3
commit 78db947e6e
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2 changed files with 10 additions and 0 deletions
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4
beacon_node/beacon_chain/src/beacon_chain.rs
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@ -199,6 +199,8 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
/// Attempt to save this instance to `self.store`. /// Attempt to save this instance to `self.store`.
pub fn persist(&self) -> Result<(), Error> { pub fn persist(&self) -> Result<(), Error> {
let timer = metrics::start_timer(&metrics::PERSIST_CHAIN);
let p: PersistedBeaconChain<T> = PersistedBeaconChain { let p: PersistedBeaconChain<T> = PersistedBeaconChain {
canonical_head: self.canonical_head.read().clone(), canonical_head: self.canonical_head.read().clone(),
op_pool: PersistedOperationPool::from_operation_pool(&self.op_pool), op_pool: PersistedOperationPool::from_operation_pool(&self.op_pool),
@ -209,6 +211,8 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
let key = Hash256::from_slice(&BEACON_CHAIN_DB_KEY.as_bytes()); let key = Hash256::from_slice(&BEACON_CHAIN_DB_KEY.as_bytes());
self.store.put(&key, &p)?; self.store.put(&key, &p)?;
metrics::stop_timer(timer);
Ok(()) Ok(())
} }

6
beacon_node/beacon_chain/src/metrics.rs
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@ -138,4 +138,10 @@ lazy_static! {
*/ */
pub static ref UPDATE_HEAD_TIMES: Result<Histogram> = pub static ref UPDATE_HEAD_TIMES: Result<Histogram> =
try_create_histogram("update_head_times", "Time taken to update the canonical head"); try_create_histogram("update_head_times", "Time taken to update the canonical head");
/*
* Persisting BeaconChain to disk
*/
pub static ref PERSIST_CHAIN: Result<Histogram> =
try_create_histogram("persist_chain", "Time taken to update the canonical head");
} }