gsh-digital-services/seaweedFS
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purge old cache implementation

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This commit is contained in:
Chris Lu
2020-06-11 01:50:00 -07:00
parent b9365de47b
commit 628b27ef3b
11 changed files with 47 additions and 471 deletions
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90
weed/filesys/dir.go
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@@ -89,22 +89,18 @@ func (dir *Dir) setRootDirAttributes(attr *fuse.Attr) {
}
func (dir *Dir) newFile(name string, entry *filer_pb.Entry) fs.Node {
return dir.wfs.fsNodeCache.EnsureFsNode(util.NewFullPath(dir.FullPath(), name), func() fs.Node {
return &File{
Name: name,
dir: dir,
wfs: dir.wfs,
entry: entry,
entryViewCache: nil,
}
})
return &File{
Name: name,
dir: dir,
wfs: dir.wfs,
entry: entry,
entryViewCache: nil,
}
}
func (dir *Dir) newDirectory(fullpath util.FullPath, entry *filer_pb.Entry) fs.Node {
return dir.wfs.fsNodeCache.EnsureFsNode(fullpath, func() fs.Node {
return &Dir{name: entry.Name, wfs: dir.wfs, entry: entry, parent: dir}
})
return &Dir{name: entry.Name, wfs: dir.wfs, entry: entry, parent: dir}
}
@@ -139,9 +135,7 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
return fuse.EIO
}
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
return nil
}); err != nil {
@@ -190,9 +184,7 @@ func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, err
return err
}
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
return nil
})
@@ -213,15 +205,12 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
glog.V(4).Infof("dir Lookup %s: %s by %s", dir.FullPath(), req.Name, req.Header.String())
fullFilePath := util.NewFullPath(dir.FullPath(), req.Name)
entry := dir.wfs.cacheGet(fullFilePath)
if dir.wfs.option.AsyncMetaDataCaching {
cachedEntry, cacheErr := dir.wfs.metaCache.FindEntry(context.Background(), fullFilePath)
if cacheErr == filer_pb.ErrNotFound {
return nil, fuse.ENOENT
}
entry = cachedEntry.ToProtoEntry()
cachedEntry, cacheErr := dir.wfs.metaCache.FindEntry(context.Background(), fullFilePath)
if cacheErr == filer_pb.ErrNotFound {
return nil, fuse.ENOENT
}
entry := cachedEntry.ToProtoEntry()
if entry == nil {
// glog.V(3).Infof("dir Lookup cache miss %s", fullFilePath)
@@ -230,7 +219,6 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
glog.V(1).Infof("dir GetEntry %s: %v", fullFilePath, err)
return nil, fuse.ENOENT
}
dir.wfs.cacheSet(fullFilePath, entry, 5*time.Minute)
} else {
glog.V(4).Infof("dir Lookup cache hit %s", fullFilePath)
}
@@ -262,7 +250,6 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
glog.V(3).Infof("dir ReadDirAll %s", dir.FullPath())
cacheTtl := 5 * time.Minute
processEachEntryFn := func(entry *filer_pb.Entry, isLast bool) error {
fullpath := util.NewFullPath(dir.FullPath(), entry.Name)
inode := fullpath.AsInode()
@@ -273,29 +260,19 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
dirent := fuse.Dirent{Inode: inode, Name: entry.Name, Type: fuse.DT_File}
ret = append(ret, dirent)
}
dir.wfs.cacheSet(fullpath, entry, cacheTtl)
return nil
}
if dir.wfs.option.AsyncMetaDataCaching {
listedEntries, listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), util.FullPath(dir.FullPath()), "", false, int(dir.wfs.option.DirListCacheLimit))
if listErr != nil {
glog.Errorf("list meta cache: %v", listErr)
return nil, fuse.EIO
}
for _, cachedEntry := range listedEntries {
processEachEntryFn(cachedEntry.ToProtoEntry(), false)
}
return
listedEntries, listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), util.FullPath(dir.FullPath()), "", false, int(dir.wfs.option.DirListCacheLimit))
if listErr != nil {
glog.Errorf("list meta cache: %v", listErr)
return nil, fuse.EIO
}
readErr := filer_pb.ReadDirAllEntries(dir.wfs, util.FullPath(dir.FullPath()), "", processEachEntryFn)
if readErr != nil {
glog.V(0).Infof("list %s: %v", dir.FullPath(), err)
return ret, fuse.EIO
for _, cachedEntry := range listedEntries {
processEachEntryFn(cachedEntry.ToProtoEntry(), false)
}
return
return ret, err
}
func (dir *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
@@ -321,12 +298,7 @@ func (dir *Dir) removeOneFile(req *fuse.RemoveRequest) error {
dir.wfs.deleteFileChunks(entry.Chunks)
dir.wfs.cacheDelete(filePath)
dir.wfs.fsNodeCache.DeleteFsNode(filePath)
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.DeleteEntry(context.Background(), filePath)
}
dir.wfs.metaCache.DeleteEntry(context.Background(), filePath)
glog.V(3).Infof("remove file: %v", req)
err = filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, false, false, false)
@@ -342,12 +314,8 @@ func (dir *Dir) removeOneFile(req *fuse.RemoveRequest) error {
func (dir *Dir) removeFolder(req *fuse.RemoveRequest) error {
t := util.NewFullPath(dir.FullPath(), req.Name)
dir.wfs.cacheDelete(t)
dir.wfs.fsNodeCache.DeleteFsNode(t)
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.DeleteEntry(context.Background(), t)
}
dir.wfs.metaCache.DeleteEntry(context.Background(), t)
glog.V(3).Infof("remove directory entry: %v", req)
err := filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, true, false, false)
@@ -384,8 +352,6 @@ func (dir *Dir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fus
dir.entry.Attributes.Mtime = req.Mtime.Unix()
}
dir.wfs.cacheDelete(util.FullPath(dir.FullPath()))
return dir.saveEntry()
}
@@ -402,8 +368,6 @@ func (dir *Dir) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error {
return err
}
dir.wfs.cacheDelete(util.FullPath(dir.FullPath()))
return dir.saveEntry()
}
@@ -420,8 +384,6 @@ func (dir *Dir) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) e
return err
}
dir.wfs.cacheDelete(util.FullPath(dir.FullPath()))
return dir.saveEntry()
}
@@ -444,8 +406,6 @@ func (dir *Dir) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp
func (dir *Dir) Forget() {
glog.V(3).Infof("Forget dir %s", dir.FullPath())
dir.wfs.fsNodeCache.DeleteFsNode(util.FullPath(dir.FullPath()))
}
func (dir *Dir) maybeLoadEntry() error {
@@ -478,9 +438,7 @@ func (dir *Dir) saveEntry() error {
return fuse.EIO
}
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.UpdateEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
dir.wfs.metaCache.UpdateEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
return nil
})