LBRYCommunity/reflector.go
1
0
Fork 0
Code Issues 7 Pull requests Projects Releases 10 Packages Wiki Activity

add buffer cache for nvme drive

Browse source
This commit is contained in:
Niko Storni 2020-11-20 19:39:08 +01:00 committed by Alex Grintsvayg
parent 9146c8b084
commit a574fecf4e
No known key found for this signature in database
GPG key ID: AEB3F089F86A22B5
1 changed files with 32 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
cmd/reflector.go
View file

@ -34,6 +34,7 @@ var (
useDB bool
cloudFrontEndpoint string
reflectorCmdDiskCache string
bufferReflectorCmdDiskCache string
reflectorCmdMemCache int
)
@ -56,6 +57,8 @@ func init() {
cmd.Flags().BoolVar(&useDB, "use-db", true, "whether to connect to the reflector db or not")
cmd.Flags().StringVar(&reflectorCmdDiskCache, "disk-cache", "",
"enable disk cache, setting max size and path where to store blobs. format is 'MAX_BLOBS:CACHE_PATH'")
cmd.Flags().StringVar(&bufferReflectorCmdDiskCache, "buffer-disk-cache", "",
"enable buffer disk cache, setting max size and path where to store blobs. format is 'MAX_BLOBS:CACHE_PATH'")
cmd.Flags().IntVar(&reflectorCmdMemCache, "mem-cache", 0, "enable in-memory cache with a max size of this many blobs")
rootCmd.AddCommand(cmd)
}
@ -147,7 +150,19 @@ func setupStore() store.BlobStore {
func wrapWithCache(s store.BlobStore) store.BlobStore {
wrapped := s
diskCacheMaxSize, diskCachePath := diskCacheParams()
diskCacheMaxSize, diskCachePath := diskCacheParams(reflectorCmdDiskCache)
if diskCacheMaxSize > 0 {
err := os.MkdirAll(diskCachePath, os.ModePerm)
if err != nil {
log.Fatal(err)
}
wrapped = store.NewCachingStore(
"reflector",
wrapped,
store.NewLRUStore("peer_server", store.NewDiskStore(diskCachePath, 2), diskCacheMaxSize),
)
}
diskCacheMaxSize, diskCachePath = diskCacheParams(bufferReflectorCmdDiskCache)
if diskCacheMaxSize > 0 {
err := os.MkdirAll(diskCachePath, os.ModePerm)
if err != nil {
@ -159,7 +174,6 @@ func wrapWithCache(s store.BlobStore) store.BlobStore {
store.NewLRUStore("peer_server", store.NewDiskStore(diskCachePath, 2), diskCacheMaxSize),
)
}
if reflectorCmdMemCache > 0 {
wrapped = store.NewCachingStore(
"reflector",
@ -171,12 +185,12 @@ func wrapWithCache(s store.BlobStore) store.BlobStore {
return wrapped
}
func diskCacheParams() (int, string) {
if reflectorCmdDiskCache == "" {
func diskCacheParams(diskParams string) (int, string) {
if diskParams == "" {
return 0, ""
}
parts := strings.Split(reflectorCmdDiskCache, ":")
parts := strings.Split(diskParams, ":")
if len(parts) != 2 {
log.Fatalf("--disk-cache must be a number, followed by ':', followed by a string")
}