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FUSE: add chunk cache for recently accessed file chunks

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This commit is contained in:
Chris Lu
2020-03-28 13:43:31 -07:00
parent 4aa82c95e6
commit 826bc0b7e3
6 changed files with 71 additions and 17 deletions
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8
weed/server/webdav_server.go
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@@ -13,9 +13,11 @@ import (
"golang.org/x/net/webdav"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/filesys"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/pb_cache"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/filer2"
@@ -66,6 +68,7 @@ type WebDavFileSystem struct {
secret security.SigningKey
filer *filer2.Filer
grpcDialOption grpc.DialOption
chunkCache *pb_cache.ChunkCache
}
type FileInfo struct {
@@ -95,7 +98,8 @@ type WebDavFile struct {
func NewWebDavFileSystem(option *WebDavOption) (webdav.FileSystem, error) {
return &WebDavFileSystem{
option: option,
option: option,
chunkCache: pb_cache.NewChunkCache(),
}, nil
}
@@ -476,7 +480,7 @@ func (f *WebDavFile) Read(p []byte) (readSize int, err error) {
}
if f.reader == nil {
chunkViews := filer2.ViewFromVisibleIntervals(f.entryViewCache, 0, math.MaxInt32)
f.reader = filer2.NewChunkReaderAtFromClient(f.fs, chunkViews)
f.reader = filesys.NewChunkReaderAtFromClient(f.fs, chunkViews, f.fs.chunkCache)
}
readSize, err = f.reader.ReadAt(p, f.off)