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Federation sender event cache (#1614)

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* Cache federation sender events

* Store in the correct cache

* Update federation event cache

* Fix Unset

* Give EDUs same caching treatment as PDUs

* Make federationsender_cache_size configurable

* Default caches configuration

* Fix unit tests

* Revert "Fix unit tests"

This reverts commit 24eb5d22524f20e1024b1475debe61ae20538a5a.

* Revert "Default caches configuration"

This reverts commit 464ecd1e64b9d2983f6fd5430e9607519d543cb3.

* Revert "Make federationsender_cache_size configurable"

This reverts commit 4631f5324151e006a15d6f19008f06361b994607.
This commit is contained in:
Neil Alexander 2020-12-04 14:52:10 +00:00 committed by GitHub
parent b507312d4c
commit 5d65a879a5
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 118 additions and 11 deletions
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2
federationsender/federationsender.go
View file

@ -46,7 +46,7 @@ func NewInternalAPI(
) api.FederationSenderInternalAPI {
cfg := &base.Cfg.FederationSender
federationSenderDB, err := storage.NewDatabase(&cfg.Database)
federationSenderDB, err := storage.NewDatabase(&cfg.Database, base.Caches)
if err != nil {
logrus.WithError(err).Panic("failed to connect to federation sender db")
}

4
federationsender/storage/postgres/storage.go
View file

@ -19,6 +19,7 @@ import (
"database/sql"
"github.com/matrix-org/dendrite/federationsender/storage/shared"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/setup/config"
)
@ -32,7 +33,7 @@ type Database struct {
}
// NewDatabase opens a new database
func NewDatabase(dbProperties *config.DatabaseOptions) (*Database, error) {
func NewDatabase(dbProperties *config.DatabaseOptions, cache caching.FederationSenderCache) (*Database, error) {
var d Database
var err error
if d.db, err = sqlutil.Open(dbProperties); err != nil {
@ -65,6 +66,7 @@ func NewDatabase(dbProperties *config.DatabaseOptions) (*Database, error) {
}
d.Database = shared.Database{
DB: d.db,
Cache: cache,
Writer: d.writer,
FederationSenderJoinedHosts: joinedHosts,
FederationSenderQueuePDUs: queuePDUs,

2
federationsender/storage/shared/storage.go
View file

@ -22,12 +22,14 @@ import (
"github.com/matrix-org/dendrite/federationsender/storage/tables"
"github.com/matrix-org/dendrite/federationsender/types"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/gomatrixserverlib"
)
type Database struct {
DB *sql.DB
Cache caching.FederationSenderCache
Writer sqlutil.Writer
FederationSenderQueuePDUs tables.FederationSenderQueuePDUs
FederationSenderQueueEDUs tables.FederationSenderQueueEDUs

12
federationsender/storage/shared/storage_edus.go
View file

@ -69,7 +69,16 @@ func (d *Database) GetNextTransactionEDUs(
nids: nids,
}
blobs, err := d.FederationSenderQueueJSON.SelectQueueJSON(ctx, txn, nids)
retrieve := make([]int64, 0, len(nids))
for _, nid := range nids {
if edu, ok := d.Cache.GetFederationSenderQueuedEDU(nid); ok {
edus = append(edus, edu)
} else {
retrieve = append(retrieve, nid)
}
}
blobs, err := d.FederationSenderQueueJSON.SelectQueueJSON(ctx, txn, retrieve)
if err != nil {
return fmt.Errorf("SelectQueueJSON: %w", err)
}
@ -111,6 +120,7 @@ func (d *Database) CleanEDUs(
}
if count == 0 {
deleteNIDs = append(deleteNIDs, nid)
d.Cache.EvictFederationSenderQueuedEDU(nid)
}
}

15
federationsender/storage/shared/storage_pdus.go
View file

@ -85,17 +85,27 @@ func (d *Database) GetNextTransactionPDUs(
nids: nids,
}
blobs, err := d.FederationSenderQueueJSON.SelectQueueJSON(ctx, txn, nids)
retrieve := make([]int64, 0, len(nids))
for _, nid := range nids {
if event, ok := d.Cache.GetFederationSenderQueuedPDU(nid); ok {
events = append(events, event)
} else {
retrieve = append(retrieve, nid)
}
}
blobs, err := d.FederationSenderQueueJSON.SelectQueueJSON(ctx, txn, retrieve)
if err != nil {
return fmt.Errorf("SelectQueueJSON: %w", err)
}
for _, blob := range blobs {
for nid, blob := range blobs {
var event gomatrixserverlib.HeaderedEvent
if err := json.Unmarshal(blob, &event); err != nil {
return fmt.Errorf("json.Unmarshal: %w", err)
}
events = append(events, &event)
d.Cache.StoreFederationSenderQueuedPDU(nid, &event)
}
return nil
@ -128,6 +138,7 @@ func (d *Database) CleanPDUs(
}
if count == 0 {
deleteNIDs = append(deleteNIDs, nid)
d.Cache.EvictFederationSenderQueuedPDU(nid)
}
}

4
federationsender/storage/sqlite3/storage.go
View file

@ -21,6 +21,7 @@ import (
_ "github.com/mattn/go-sqlite3"
"github.com/matrix-org/dendrite/federationsender/storage/shared"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/setup/config"
)
@ -34,7 +35,7 @@ type Database struct {
}
// NewDatabase opens a new database
func NewDatabase(dbProperties *config.DatabaseOptions) (*Database, error) {
func NewDatabase(dbProperties *config.DatabaseOptions, cache caching.FederationSenderCache) (*Database, error) {
var d Database
var err error
if d.db, err = sqlutil.Open(dbProperties); err != nil {
@ -67,6 +68,7 @@ func NewDatabase(dbProperties *config.DatabaseOptions) (*Database, error) {
}
d.Database = shared.Database{
DB: d.db,
Cache: cache,
Writer: d.writer,
FederationSenderJoinedHosts: joinedHosts,
FederationSenderQueuePDUs: queuePDUs,

7
federationsender/storage/storage.go
View file

@ -21,16 +21,17 @@ import (
"github.com/matrix-org/dendrite/federationsender/storage/postgres"
"github.com/matrix-org/dendrite/federationsender/storage/sqlite3"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/setup/config"
)
// NewDatabase opens a new database
func NewDatabase(dbProperties *config.DatabaseOptions) (Database, error) {
func NewDatabase(dbProperties *config.DatabaseOptions, cache caching.FederationSenderCache) (Database, error) {
switch {
case dbProperties.ConnectionString.IsSQLite():
return sqlite3.NewDatabase(dbProperties)
return sqlite3.NewDatabase(dbProperties, cache)
case dbProperties.ConnectionString.IsPostgres():
return postgres.NewDatabase(dbProperties)
return postgres.NewDatabase(dbProperties, cache)
default:
return nil, fmt.Errorf("unexpected database type")
}

5
federationsender/storage/storage_wasm.go
View file

@ -18,14 +18,15 @@ import (
"fmt"
"github.com/matrix-org/dendrite/federationsender/storage/sqlite3"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/setup/config"
)
// NewDatabase opens a new database
func NewDatabase(dbProperties *config.DatabaseOptions) (Database, error) {
func NewDatabase(dbProperties *config.DatabaseOptions, cache caching.FederationSenderCache) (Database, error) {
switch {
case dbProperties.ConnectionString.IsSQLite():
return sqlite3.NewDatabase(dbProperties)
return sqlite3.NewDatabase(dbProperties, cache)
case dbProperties.ConnectionString.IsPostgres():
return nil, fmt.Errorf("can't use Postgres implementation")
default:

67
internal/caching/cache_federationevents.go Normal file
View file

@ -0,0 +1,67 @@
package caching
import (
"fmt"
"github.com/matrix-org/gomatrixserverlib"
)
const (
FederationEventCacheName = "federation_event"
FederationEventCacheMaxEntries = 256
FederationEventCacheMutable = true // to allow use of Unset only
)
// FederationSenderCache contains the subset of functions needed for
// a federation event cache.
type FederationSenderCache interface {
GetFederationSenderQueuedPDU(eventNID int64) (event *gomatrixserverlib.HeaderedEvent, ok bool)
StoreFederationSenderQueuedPDU(eventNID int64, event *gomatrixserverlib.HeaderedEvent)
EvictFederationSenderQueuedPDU(eventNID int64)
GetFederationSenderQueuedEDU(eventNID int64) (event *gomatrixserverlib.EDU, ok bool)
StoreFederationSenderQueuedEDU(eventNID int64, event *gomatrixserverlib.EDU)
EvictFederationSenderQueuedEDU(eventNID int64)
}
func (c Caches) GetFederationSenderQueuedPDU(eventNID int64) (*gomatrixserverlib.HeaderedEvent, bool) {
key := fmt.Sprintf("%d", eventNID)
val, found := c.FederationEvents.Get(key)
if found && val != nil {
if event, ok := val.(*gomatrixserverlib.HeaderedEvent); ok {
return event, true
}
}
return nil, false
}
func (c Caches) StoreFederationSenderQueuedPDU(eventNID int64, event *gomatrixserverlib.HeaderedEvent) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Set(key, event)
}
func (c Caches) EvictFederationSenderQueuedPDU(eventNID int64) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Unset(key)
}
func (c Caches) GetFederationSenderQueuedEDU(eventNID int64) (*gomatrixserverlib.EDU, bool) {
key := fmt.Sprintf("%d", eventNID)
val, found := c.FederationEvents.Get(key)
if found && val != nil {
if event, ok := val.(*gomatrixserverlib.EDU); ok {
return event, true
}
}
return nil, false
}
func (c Caches) StoreFederationSenderQueuedEDU(eventNID int64, event *gomatrixserverlib.EDU) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Set(key, event)
}
func (c Caches) EvictFederationSenderQueuedEDU(eventNID int64) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Unset(key)
}

1
internal/caching/caches.go
View file

@ -10,6 +10,7 @@ type Caches struct {
RoomServerEventTypeNIDs Cache // RoomServerNIDsCache
RoomServerRoomNIDs Cache // RoomServerNIDsCache
RoomServerRoomIDs Cache // RoomServerNIDsCache
FederationEvents Cache // FederationEventsCache
}
// Cache is the interface that an implementation must satisfy.

10
internal/caching/impl_inmemorylru.go
View file

@ -63,6 +63,15 @@ func NewInMemoryLRUCache(enablePrometheus bool) (*Caches, error) {
if err != nil {
return nil, err
}
federationEvents, err := NewInMemoryLRUCachePartition(
FederationEventCacheName,
FederationEventCacheMutable,
FederationEventCacheMaxEntries,
enablePrometheus,
)
if err != nil {
return nil, err
}
return &Caches{
RoomVersions: roomVersions,
ServerKeys: serverKeys,
@ -70,6 +79,7 @@ func NewInMemoryLRUCache(enablePrometheus bool) (*Caches, error) {
RoomServerEventTypeNIDs: roomServerEventTypeNIDs,
RoomServerRoomNIDs: roomServerRoomNIDs,
RoomServerRoomIDs: roomServerRoomIDs,
FederationEvents: federationEvents,
}, nil
}