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much improved "ls -al" performance

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This commit is contained in:
Chris Lu 2018-11-07 11:35:13 -08:00
parent 60db731e36
commit ed8efb5aef
3 changed files with 34 additions and 16 deletions
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46
weed/filesys/dir.go
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@ -70,6 +70,8 @@ func (dir *Dir) Attr(context context.Context, attr *fuse.Attr) error {
dir.attributes = resp.Entry.Attributes
}
dir.wfs.listDirectoryEntriesCache.Set(dir.Path, resp.Entry, 300*time.Millisecond)
return nil
})
@ -185,24 +187,34 @@ func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, err
func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (node fs.Node, err error) {
var entry *filer_pb.Entry
err = dir.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir.Path,
Name: req.Name,
}
item := dir.wfs.listDirectoryEntriesCache.Get(path.Join(dir.Path, req.Name))
if item != nil && !item.Expired() {
entry = item.Value().(*filer_pb.Entry)
}
glog.V(4).Infof("lookup directory entry: %v", request)
resp, err := client.LookupDirectoryEntry(ctx, request)
if err != nil {
// glog.V(0).Infof("lookup %s/%s: %v", dir.Path, name, err)
return fuse.ENOENT
}
if entry == nil {
err = dir.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
entry = resp.Entry
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir.Path,
Name: req.Name,
}
return nil
})
glog.V(4).Infof("lookup directory entry: %v", request)
resp, err := client.LookupDirectoryEntry(ctx, request)
if err != nil {
// glog.V(0).Infof("lookup %s/%s: %v", dir.Path, name, err)
return fuse.ENOENT
}
entry = resp.Entry
dir.wfs.listDirectoryEntriesCache.Set(path.Join(dir.Path, entry.Name), entry, 1000*time.Millisecond)
return nil
})
}
if entry != nil {
if entry.IsDirectory {
@ -248,7 +260,7 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
dirent := fuse.Dirent{Name: entry.Name, Type: fuse.DT_File}
ret = append(ret, dirent)
}
dir.wfs.listDirectoryEntriesCache.Set(dir.Path+"/"+entry.Name, entry, 300*time.Millisecond)
dir.wfs.listDirectoryEntriesCache.Set(path.Join(dir.Path, entry.Name), entry, 300*time.Millisecond)
}
return nil
@ -275,6 +287,8 @@ func (dir *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
return fuse.EIO
}
dir.wfs.listDirectoryEntriesCache.Delete(path.Join(dir.Path, req.Name))
return nil
})
@ -317,6 +331,8 @@ func (dir *Dir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fus
return fuse.EIO
}
dir.wfs.listDirectoryEntriesCache.Delete(dir.Path)
return nil
})

2
weed/filesys/file.go
View file

@ -153,6 +153,8 @@ func (file *File) maybeLoadAttributes(ctx context.Context) error {
glog.V(1).Infof("file attr %v %+v: %d", file.fullpath(), file.entry.Attributes, filer2.TotalSize(file.entry.Chunks))
file.wfs.listDirectoryEntriesCache.Set(file.fullpath(), file.entry, 300*time.Millisecond)
return nil
})

2
weed/filesys/wfs.go
View file

@ -35,7 +35,7 @@ type WFS struct {
func NewSeaweedFileSystem(option *Option) *WFS {
return &WFS{
option: option,
listDirectoryEntriesCache: ccache.New(ccache.Configure().MaxSize(6000).ItemsToPrune(100)),
listDirectoryEntriesCache: ccache.New(ccache.Configure().MaxSize(int64(option.DirListingLimit) + 200).ItemsToPrune(100)),
pathToHandleIndex: make(map[string]int),
}
}