lsm/seaweedfs
1
0
Fork 0
mirror of https://github.com/seaweedfs/seaweedfs.git synced 2025-12-17 17:51:20 +08:00
Code Issues Actions 32 Packages Projects Releases Wiki Activity

read from meta cache

Browse Source 
meta cache is not initialized
This commit is contained in:
Chris Lu
2020-04-21 18:50:30 -07:00
parent b8e4238ad2
commit 4f02f7121d
5 changed files with 101 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
weed/filesys/dir.go
View File

@@ -206,7 +206,11 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
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()
}
if entry == nil {
@@ -248,13 +252,8 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
glog.V(3).Infof("dir ReadDirAll %s", dir.FullPath())
if dir.wfs.option.AsyncMetaDataCaching {
}
cacheTtl := 5 * time.Minute
readErr := filer_pb.ReadDirAllEntries(dir.wfs, util.FullPath(dir.FullPath()), "", func(entry *filer_pb.Entry, isLast bool) {
processEachEntryFn := func(entry *filer_pb.Entry, isLast bool) {
fullpath := util.NewFullPath(dir.FullPath(), entry.Name)
inode := fullpath.AsInode()
if entry.IsDirectory {
@@ -265,7 +264,21 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
ret = append(ret, dirent)
}
dir.wfs.cacheSet(fullpath, entry, cacheTtl)
})
}
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
}
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