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Use upgradable read lock for pubkey cache (#6190)

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* Use upgradable read for pubkey cache
This commit is contained in:
Michael Sproul
2024-07-26 15:53:21 +10:00
committed by GitHub
parent f60503cd40
commit f4ddc45914
1 changed files with 9 additions and 3 deletions
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12
beacon_node/beacon_chain/src/beacon_chain.rs
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@@ -3481,9 +3481,15 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
// would be difficult to check that they all lock fork choice first. // would be difficult to check that they all lock fork choice first.
let mut ops = { let mut ops = {
let _timer = metrics::start_timer(&metrics::BLOCK_PROCESSING_PUBKEY_CACHE_LOCK); let _timer = metrics::start_timer(&metrics::BLOCK_PROCESSING_PUBKEY_CACHE_LOCK);
self.validator_pubkey_cache let pubkey_cache = self.validator_pubkey_cache.upgradable_read();
.write()
.import_new_pubkeys(&state)? // Only take a write lock if there are new keys to import.
if state.validators().len() > pubkey_cache.len() {
parking_lot::RwLockUpgradableReadGuard::upgrade(pubkey_cache)
.import_new_pubkeys(&state)?
} else {
vec![]
}
}; };
// Apply the state to the attester cache, only if it is from the previous epoch or later. // Apply the state to the attester cache, only if it is from the previous epoch or later.