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mount: option to disable caching

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This commit is contained in:
Chris Lu 2020-04-12 00:52:54 -07:00
parent 1c65656fb4
commit 211d87cf4c
3 changed files with 9 additions and 8 deletions
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2
weed/command/mount.go
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@ -39,7 +39,7 @@ func init() {
mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 16, "local write buffer size, also chunk large files")
mountOptions.cacheDir = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks")
mountOptions.cacheSizeMB = cmdMount.Flag.Int64("cacheCapacityMB", 1000, "local cache capacity in MB")
mountOptions.cacheSizeMB = cmdMount.Flag.Int64("cacheCapacityMB", 1000, "local cache capacity in MB (0 will disable cache)")
mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
mountOptions.umaskString = cmdMount.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")

4
weed/filesys/dir.go
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@ -58,7 +58,7 @@ func (dir *Dir) Attr(ctx context.Context, attr *fuse.Attr) error {
attr.Gid = dir.entry.Attributes.Gid
attr.Uid = dir.entry.Attributes.Uid
glog.V(3).Infof("dir Attr %s, attr: %+v", dir.FullPath(), attr)
glog.V(4).Infof("dir Attr %s, attr: %+v", dir.FullPath(), attr)
return nil
}
@ -200,7 +200,7 @@ 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) {
glog.V(4).Infof("dir Lookup %s: %s", dir.FullPath(), req.Name)
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)

11
weed/filesys/wfs.go
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@ -73,10 +73,6 @@ type statsCache struct {
}
func NewSeaweedFileSystem(option *Option) *WFS {
chunkCache := chunk_cache.NewChunkCache(256, option.CacheDir, option.CacheSizeMB, 4)
util.OnInterrupt(func() {
chunkCache.Shutdown()
})
wfs := &WFS{
option: option,
listDirectoryEntriesCache: ccache.New(ccache.Configure().MaxSize(option.DirListCacheLimit * 3).ItemsToPrune(100)),
@ -86,7 +82,12 @@ func NewSeaweedFileSystem(option *Option) *WFS {
return make([]byte, option.ChunkSizeLimit)
},
},
chunkCache: chunkCache,
}
if option.CacheSizeMB > 0 {
wfs.chunkCache = chunk_cache.NewChunkCache(256, option.CacheDir, option.CacheSizeMB, 4)
util.OnInterrupt(func() {
wfs.chunkCache.Shutdown()
})
}
wfs.root = &Dir{name: wfs.option.FilerMountRootPath, wfs: wfs}