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Remove event type and state key caches (#2200)

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* Don't proactively cache event types and state keys when we don't know if the transaction has persisted yet

* Remove event type and state key caches altogether
This commit is contained in:
Neil Alexander 2022-02-18 10:58:41 +00:00 • committed by GitHub
parent e1eb5807b6
commit 131bedc1a1
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 22 additions and 121 deletions
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42
internal/caching/cache_roomservernids.go
View file

@ -7,14 +7,6 @@ import (
)
const (
RoomServerStateKeyNIDsCacheName = "roomserver_statekey_nids"
RoomServerStateKeyNIDsCacheMaxEntries = 1024
RoomServerStateKeyNIDsCacheMutable = false
RoomServerEventTypeNIDsCacheName = "roomserver_eventtype_nids"
RoomServerEventTypeNIDsCacheMaxEntries = 64
RoomServerEventTypeNIDsCacheMutable = false
RoomServerRoomIDsCacheName = "roomserver_room_ids"
RoomServerRoomIDsCacheMaxEntries = 1024
RoomServerRoomIDsCacheMutable = false
@ -29,44 +21,10 @@ type RoomServerCaches interface {
// RoomServerNIDsCache contains the subset of functions needed for
// a roomserver NID cache.
type RoomServerNIDsCache interface {
GetRoomServerStateKeyNID(stateKey string) (types.EventStateKeyNID, bool)
StoreRoomServerStateKeyNID(stateKey string, nid types.EventStateKeyNID)
GetRoomServerEventTypeNID(eventType string) (types.EventTypeNID, bool)
StoreRoomServerEventTypeNID(eventType string, nid types.EventTypeNID)
GetRoomServerRoomID(roomNID types.RoomNID) (string, bool)
StoreRoomServerRoomID(roomNID types.RoomNID, roomID string)
}
func (c Caches) GetRoomServerStateKeyNID(stateKey string) (types.EventStateKeyNID, bool) {
val, found := c.RoomServerStateKeyNIDs.Get(stateKey)
if found && val != nil {
if stateKeyNID, ok := val.(types.EventStateKeyNID); ok {
return stateKeyNID, true
}
}
return 0, false
}
func (c Caches) StoreRoomServerStateKeyNID(stateKey string, nid types.EventStateKeyNID) {
c.RoomServerStateKeyNIDs.Set(stateKey, nid)
}
func (c Caches) GetRoomServerEventTypeNID(eventType string) (types.EventTypeNID, bool) {
val, found := c.RoomServerEventTypeNIDs.Get(eventType)
if found && val != nil {
if eventTypeNID, ok := val.(types.EventTypeNID); ok {
return eventTypeNID, true
}
}
return 0, false
}
func (c Caches) StoreRoomServerEventTypeNID(eventType string, nid types.EventTypeNID) {
c.RoomServerEventTypeNIDs.Set(eventType, nid)
}
func (c Caches) GetRoomServerRoomID(roomNID types.RoomNID) (string, bool) {
val, found := c.RoomServerRoomIDs.Get(strconv.Itoa(int(roomNID)))
if found && val != nil {

14
internal/caching/caches.go
View file

@ -4,14 +4,12 @@ package caching
// different implementations as long as they satisfy the Cache
// interface.
type Caches struct {
RoomVersions Cache // RoomVersionCache
ServerKeys Cache // ServerKeyCache
RoomServerStateKeyNIDs Cache // RoomServerNIDsCache
RoomServerEventTypeNIDs Cache // RoomServerNIDsCache
RoomServerRoomNIDs Cache // RoomServerNIDsCache
RoomServerRoomIDs Cache // RoomServerNIDsCache
RoomInfos Cache // RoomInfoCache
FederationEvents Cache // FederationEventsCache
RoomVersions Cache // RoomVersionCache
ServerKeys Cache // ServerKeyCache
RoomServerRoomNIDs Cache // RoomServerNIDsCache
RoomServerRoomIDs Cache // RoomServerNIDsCache
RoomInfos Cache // RoomInfoCache
FederationEvents Cache // FederationEventsCache
}
// Cache is the interface that an implementation must satisfy.

33
internal/caching/impl_inmemorylru.go
View file

@ -28,24 +28,6 @@ func NewInMemoryLRUCache(enablePrometheus bool) (*Caches, error) {
if err != nil {
return nil, err
}
roomServerStateKeyNIDs, err := NewInMemoryLRUCachePartition(
RoomServerStateKeyNIDsCacheName,
RoomServerStateKeyNIDsCacheMutable,
RoomServerStateKeyNIDsCacheMaxEntries,
enablePrometheus,
)
if err != nil {
return nil, err
}
roomServerEventTypeNIDs, err := NewInMemoryLRUCachePartition(
RoomServerEventTypeNIDsCacheName,
RoomServerEventTypeNIDsCacheMutable,
RoomServerEventTypeNIDsCacheMaxEntries,
enablePrometheus,
)
if err != nil {
return nil, err
}
roomServerRoomIDs, err := NewInMemoryLRUCachePartition(
RoomServerRoomIDsCacheName,
RoomServerRoomIDsCacheMutable,
@ -74,18 +56,15 @@ func NewInMemoryLRUCache(enablePrometheus bool) (*Caches, error) {
return nil, err
}
go cacheCleaner(
roomVersions, serverKeys, roomServerStateKeyNIDs,
roomServerEventTypeNIDs, roomServerRoomIDs,
roomVersions, serverKeys, roomServerRoomIDs,
roomInfos, federationEvents,
)
return &Caches{
RoomVersions: roomVersions,
ServerKeys: serverKeys,
RoomServerStateKeyNIDs: roomServerStateKeyNIDs,
RoomServerEventTypeNIDs: roomServerEventTypeNIDs,
RoomServerRoomIDs: roomServerRoomIDs,
RoomInfos: roomInfos,
FederationEvents: federationEvents,
RoomVersions: roomVersions,
ServerKeys: serverKeys,
RoomServerRoomIDs: roomServerRoomIDs,
RoomInfos: roomInfos,
FederationEvents: federationEvents,
}, nil
}