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deps: replace lru with schnellru (#1217)

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* deps: replace lru with schnellru

* bring the peace to the galaxy
This commit is contained in:
ordian
2023-08-28 19:04:11 +02:00
committed by GitHub
parent 7125f65fe6
commit c168a77e26
32 changed files with 207 additions and 241 deletions
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polkadot/node/network/availability-distribution/Cargo.toml
+1 -1
View File
@@ -20,7 +20,7 @@ sp-keystore = { path = "../../../../substrate/primitives/keystore" }
thiserror = "1.0.31"
rand = "0.8.5"
derive_more = "0.99.17"
lru = "0.11.0"
schnellru = "0.2.1"
fatality = "0.0.6"
[dev-dependencies]
polkadot/node/network/availability-distribution/src/requester/session_cache.rs
+6 -6
View File
@@ -14,10 +14,10 @@
// You should have received a copy of the GNU General Public License
// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
use std::{collections::HashSet, num::NonZeroUsize};
use std::collections::HashSet;
use lru::LruCache;
use rand::{seq::SliceRandom, thread_rng};
use schnellru::{ByLength, LruMap};
use polkadot_node_subsystem::overseer;
use polkadot_node_subsystem_util::runtime::RuntimeInfo;
@@ -37,7 +37,7 @@ pub struct SessionCache {
/// Note: Performance of fetching is really secondary here, but we need to ensure we are going
/// to get any existing cache entry, before fetching new information, as we should not mess up
/// the order of validators in `SessionInfo::validator_groups`.
session_info_cache: LruCache<SessionIndex, SessionInfo>,
session_info_cache: LruMap<SessionIndex, SessionInfo>,
}
/// Localized session information, tailored for the needs of availability distribution.
@@ -83,7 +83,7 @@ impl SessionCache {
pub fn new() -> Self {
SessionCache {
// We need to cache the current and the last session the most:
session_info_cache: LruCache::new(NonZeroUsize::new(2).unwrap()),
session_info_cache: LruMap::new(ByLength::new(2)),
}
}
@@ -115,7 +115,7 @@ impl SessionCache {
gum::trace!(target: LOG_TARGET, session_index, "Calling `with_info`");
let r = with_info(&info);
gum::trace!(target: LOG_TARGET, session_index, "Storing session info in lru!");
self.session_info_cache.put(session_index, info);
self.session_info_cache.insert(session_index, info);
Ok(Some(r))
} else {
Ok(None)
@@ -142,7 +142,7 @@ impl SessionCache {
/// will be put at the beginning of the group.
pub fn report_bad(&mut self, report: BadValidators) -> Result<()> {
let available_sessions = self.session_info_cache.iter().map(|(k, _)| *k).collect();
let session = self.session_info_cache.get_mut(&report.session_index).ok_or(
let session = self.session_info_cache.get(&report.session_index).ok_or(
Error::NoSuchCachedSession {
available_sessions,
missing_session: report.session_index,