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Add RoomInfo cache, remove RoomServerRoomNIDsCache (#1646)

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* Add RoomInfo cache, remove RoomServerRoomNID cache, ensure caches are thread-safe

* Don't panic if the roomInfo isn't known yet

* LRU package is already threadsafe

* Use RoomInfo cache to find room version if possible in Events()

* Adding comments about RoomInfoCache safety
This commit is contained in:
Neil Alexander 2020-12-16 12:15:12 +00:00 • committed by GitHub
parent 9057143033
commit b891c00b09
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 88 additions and 41 deletions
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18
internal/caching/impl_inmemorylru.go
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@ -45,19 +45,19 @@ func NewInMemoryLRUCache(enablePrometheus bool) (*Caches, error) {
if err != nil {
return nil, err
}
roomServerRoomNIDs, err := NewInMemoryLRUCachePartition(
RoomServerRoomNIDsCacheName,
RoomServerRoomNIDsCacheMutable,
RoomServerRoomNIDsCacheMaxEntries,
roomServerRoomIDs, err := NewInMemoryLRUCachePartition(
RoomServerRoomIDsCacheName,
RoomServerRoomIDsCacheMutable,
RoomServerRoomIDsCacheMaxEntries,
enablePrometheus,
)
if err != nil {
return nil, err
}
roomServerRoomIDs, err := NewInMemoryLRUCachePartition(
RoomServerRoomIDsCacheName,
RoomServerRoomIDsCacheMutable,
RoomServerRoomIDsCacheMaxEntries,
roomInfos, err := NewInMemoryLRUCachePartition(
RoomInfoCacheName,
RoomInfoCacheMutable,
RoomInfoCacheMaxEntries,
enablePrometheus,
)
if err != nil {
@ -77,8 +77,8 @@ func NewInMemoryLRUCache(enablePrometheus bool) (*Caches, error) {
ServerKeys: serverKeys,
RoomServerStateKeyNIDs: roomServerStateKeyNIDs,
RoomServerEventTypeNIDs: roomServerEventTypeNIDs,
RoomServerRoomNIDs: roomServerRoomNIDs,
RoomServerRoomIDs: roomServerRoomIDs,
RoomInfos: roomInfos,
FederationEvents: federationEvents,
}, nil
}