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Add caching for file infos (#5330)

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This commit is contained in:
Joram Wilander
2017-02-07 12:36:37 -08:00
committed by GitHub
parent eb767d2c1c
commit 487bb56a9b
7 changed files with 61 additions and 10 deletions
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4
api/post_test.go
View File

@@ -136,7 +136,7 @@ func TestCreatePost(t *testing.T) {
} else if rpost9 := resp.Data.(*model.Post); len(rpost9.FileIds) != 3 {
t.Fatal("post should have 3 files")
} else {
infos := store.Must(app.Srv.Store.FileInfo().GetForPost(rpost9.Id)).([]*model.FileInfo)
infos := store.Must(app.Srv.Store.FileInfo().GetForPost(rpost9.Id, true)).([]*model.FileInfo)
if len(infos) != 3 {
t.Fatal("should've attached all 3 files to post")
@@ -1184,6 +1184,7 @@ func TestGetMessageForNotification(t *testing.T) {
post.FileIds = model.StringArray{testPng.Id, testJpg1.Id}
store.Must(app.Srv.Store.FileInfo().AttachToPost(testJpg1.Id, post.Id))
app.Srv.Store.FileInfo().InvalidateFileInfosForPostCache(post.Id)
if message := app.GetMessageForNotification(post, translateFunc); message != "2 images sent: test1.png, test2.jpg" && message != "2 images sent: test2.jpg, test1.png" {
t.Fatal("should've returned number of images:", message)
}
@@ -1196,6 +1197,7 @@ func TestGetMessageForNotification(t *testing.T) {
}
store.Must(app.Srv.Store.FileInfo().AttachToPost(testJpg2.Id, post.Id))
app.Srv.Store.FileInfo().InvalidateFileInfosForPostCache(post.Id)
post.FileIds = model.StringArray{testFile.Id, testJpg2.Id}
if message := app.GetMessageForNotification(post, translateFunc); message != "2 files sent: test1.go, test3.jpg" && message != "2 files sent: test3.jpg, test1.go" {
t.Fatal("should've returned number of mixed files:", message)

2
app/file.go
View File

@@ -318,7 +318,7 @@ func MigrateFilenamesToFileInfos(post *model.Post) []*model.FileInfo {
return []*model.FileInfo{}
} else if newPost := result.Data.(*model.PostList).Posts[post.Id]; len(newPost.Filenames) != len(post.Filenames) {
// Another thread has already created FileInfos for this post, so just return those
if result := <-Srv.Store.FileInfo().GetForPost(post.Id); result.Err != nil {
if result := <-Srv.Store.FileInfo().GetForPost(post.Id, false); result.Err != nil {
l4g.Error(utils.T("api.file.migrate_filenames_to_file_infos.get_post_file_infos_again.app_error"), post.Id, result.Err)
return []*model.FileInfo{}
} else {

4
app/notification.go
View File

@@ -26,7 +26,7 @@ import (
func SendNotifications(post *model.Post, team *model.Team, channel *model.Channel, sender *model.User) ([]string, *model.AppError) {
pchan := Srv.Store.User().GetAllProfilesInChannel(channel.Id, true)
fchan := Srv.Store.FileInfo().GetForPost(post.Id)
fchan := Srv.Store.FileInfo().GetForPost(post.Id, true)
var profileMap map[string]*model.User
if result := <-pchan; result.Err != nil {
@@ -414,7 +414,7 @@ func GetMessageForNotification(post *model.Post, translateFunc i18n.TranslateFun
// extract the filenames from their paths and determine what type of files are attached
var infos []*model.FileInfo
if result := <-Srv.Store.FileInfo().GetForPost(post.Id); result.Err != nil {
if result := <-Srv.Store.FileInfo().GetForPost(post.Id, true); result.Err != nil {
l4g.Warn(utils.T("api.post.get_message_for_notification.get_files.error"), post.Id, result.Err)
} else {
infos = result.Data.([]*model.FileInfo)

3
app/post.go
View File

@@ -457,7 +457,7 @@ func SearchPostsInTeam(terms string, userId string, teamId string, isOrSearch bo
func GetFileInfosForPost(postId string) ([]*model.FileInfo, *model.AppError) {
pchan := Srv.Store.Post().Get(postId)
fchan := Srv.Store.FileInfo().GetForPost(postId)
fchan := Srv.Store.FileInfo().GetForPost(postId, true)
var infos []*model.FileInfo
if result := <-fchan; result.Err != nil {
@@ -476,6 +476,7 @@ func GetFileInfosForPost(postId string) ([]*model.FileInfo, *model.AppError) {
}
if len(post.Filenames) > 0 {
Srv.Store.FileInfo().InvalidateFileInfosForPostCache(postId)
// The post has Filenames that need to be replaced with FileInfos
infos = MigrateFilenamesToFileInfos(post)
}

43
store/sql_file_info_store.go
View File

@@ -3,13 +3,26 @@
package store
import (
"github.com/mattermost/platform/einterfaces"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
)
type SqlFileInfoStore struct {
*SqlStore
}
const (
FILE_INFO_CACHE_SIZE = 25000
FILE_INFO_CACHE_SEC = 900 // 15 minutes
)
var fileInfoCache *utils.Cache = utils.NewLru(FILE_INFO_CACHE_SIZE)
func ClearFileCaches() {
fileInfoCache.Purge()
}
func NewSqlFileInfoStore(sqlStore *SqlStore) FileInfoStore {
s := &SqlFileInfoStore{sqlStore}
@@ -119,12 +132,39 @@ func (fs SqlFileInfoStore) GetByPath(path string) StoreChannel {
return storeChannel
}
func (fs SqlFileInfoStore) GetForPost(postId string) StoreChannel {
func (s SqlFileInfoStore) InvalidateFileInfosForPostCache(postId string) {
fileInfoCache.Remove(postId)
}
func (fs SqlFileInfoStore) GetForPost(postId string, allowFromCache bool) StoreChannel {
storeChannel := make(StoreChannel, 1)
go func() {
result := StoreResult{}
metrics := einterfaces.GetMetricsInterface()
if allowFromCache {
if cacheItem, ok := fileInfoCache.Get(postId); ok {
if metrics != nil {
metrics.IncrementMemCacheHitCounter("File Info Cache")
}
result.Data = cacheItem.([]*model.FileInfo)
storeChannel <- result
close(storeChannel)
return
} else {
if metrics != nil {
metrics.IncrementMemCacheMissCounter("File Info Cache")
}
}
} else {
if metrics != nil {
metrics.IncrementMemCacheMissCounter("File Info Cache")
}
}
var infos []*model.FileInfo
if _, err := fs.GetReplica().Select(&infos,
@@ -140,6 +180,7 @@ func (fs SqlFileInfoStore) GetForPost(postId string) StoreChannel {
result.Err = model.NewLocAppError("SqlFileInfoStore.GetForPost",
"store.sql_file_info.get_for_post.app_error", nil, "post_id="+postId+", "+err.Error())
} else {
fileInfoCache.AddWithExpiresInSecs(postId, infos, FILE_INFO_CACHE_SEC)
result.Data = infos
}

12
store/sql_file_info_store_test.go
View File

@@ -114,7 +114,13 @@ func TestFileInfoGetForPost(t *testing.T) {
infos[i] = Must(store.FileInfo().Save(info)).(*model.FileInfo)
}
if result := <-store.FileInfo().GetForPost(postId); result.Err != nil {
if result := <-store.FileInfo().GetForPost(postId, false); result.Err != nil {
t.Fatal(result.Err)
} else if returned := result.Data.([]*model.FileInfo); len(returned) != 2 {
t.Fatal("should've returned exactly 2 file infos")
}
if result := <-store.FileInfo().GetForPost(postId, true); result.Err != nil {
t.Fatal(result.Err)
} else if returned := result.Data.([]*model.FileInfo); len(returned) != 2 {
t.Fatal("should've returned exactly 2 file infos")
@@ -157,7 +163,7 @@ func TestFileInfoAttachToPost(t *testing.T) {
info2 = Must(store.FileInfo().Get(info2.Id)).(*model.FileInfo)
}
if result := <-store.FileInfo().GetForPost(postId); result.Err != nil {
if result := <-store.FileInfo().GetForPost(postId, false); result.Err != nil {
t.Fatal(result.Err)
} else if infos := result.Data.([]*model.FileInfo); len(infos) != 2 {
t.Fatal("should've returned exactly 2 file infos")
@@ -202,7 +208,7 @@ func TestFileInfoDeleteForPost(t *testing.T) {
t.Fatal(result.Err)
}
if infos := Must(store.FileInfo().GetForPost(postId)).([]*model.FileInfo); len(infos) != 0 {
if infos := Must(store.FileInfo().GetForPost(postId, false)).([]*model.FileInfo); len(infos) != 0 {
t.Fatal("shouldn't have returned any file infos")
}
}

3
store/store.go
View File

@@ -326,7 +326,8 @@ type FileInfoStore interface {
Save(info *model.FileInfo) StoreChannel
Get(id string) StoreChannel
GetByPath(path string) StoreChannel
GetForPost(postId string) StoreChannel
GetForPost(postId string, allowFromCache bool) StoreChannel
InvalidateFileInfosForPostCache(postId string)
AttachToPost(fileId string, postId string) StoreChannel
DeleteForPost(postId string) StoreChannel
}