backups/grapevine
1
0
Fork 0
mirror of https://gitlab.computer.surgery/matrix/grapevine.git synced 2025-12-20 01:01:24 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

avoid overhead when cache sizes are zero

Browse source 
Don't even try taking locks, inserting or removing anything, etc.
This commit is contained in:
Charles Hall 2024-10-08 22:28:52 -07:00
parent 1148c6004f
commit d42a5ec1f0
No known key found for this signature in database
GPG key ID: 7B8E0645816E07CF
5 changed files with 184 additions and 174 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/service/rooms/state_compressor.rs
View file

@ -32,7 +32,7 @@ pub(crate) struct Service {
#[allow(clippy::type_complexity)]
pub(crate) stateinfo_cache:
Mutex<LruCache<ShortStateHash, Vec<CompressedStateLayer>>>,
Option<Mutex<LruCache<ShortStateHash, Vec<CompressedStateLayer>>>>,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
@ -78,7 +78,8 @@ impl Service {
) -> Self {
Self {
db,
stateinfo_cache: Mutex::new(LruCache::new(stateinfo_cache_size)),
stateinfo_cache: (stateinfo_cache_size > 0)
.then(|| Mutex::new(LruCache::new(stateinfo_cache_size))),
}
}
@ -92,11 +93,11 @@ impl Service {
) -> Result<Vec<CompressedStateLayer>> {
let lookup = Lookup::StateInfo;
if let Some(r) =
self.stateinfo_cache.lock().unwrap().get_mut(&shortstatehash)
{
METRICS.record_lookup(lookup, FoundIn::Cache);
return Ok(r.clone());
if let Some(cache) = &self.stateinfo_cache {
if let Some(r) = cache.lock().unwrap().get_mut(&shortstatehash) {
METRICS.record_lookup(lookup, FoundIn::Cache);
return Ok(r.clone());
}
}
let StateDiff {
@ -131,10 +132,10 @@ impl Service {
};
METRICS.record_lookup(lookup, FoundIn::Database);
self.stateinfo_cache
.lock()
.unwrap()
.insert(shortstatehash, response.clone());
if let Some(cache) = &self.stateinfo_cache {
cache.lock().unwrap().insert(shortstatehash, response.clone());
}
Ok(response)
}