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filer: cache small file to filer store

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This commit is contained in:
Chris Lu
2020-11-30 04:34:04 -08:00
parent a9c6be5fc3
commit f4abd01adf
17 changed files with 531 additions and 472 deletions
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7
weed/filesys/filehandle.go
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@@ -110,6 +110,12 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
return 0, io.EOF
}
if offset+int64(len(buff)) <= int64(len(fh.f.entry.Content)) {
totalRead := copy(buff, fh.f.entry.Content[offset:])
glog.V(4).Infof("file handle read cached %s [%d,%d] %d", fh.f.fullpath(), offset, offset+int64(totalRead), totalRead)
return int64(totalRead), nil
}
var chunkResolveErr error
if fh.f.entryViewCache == nil {
fh.f.entryViewCache, chunkResolveErr = filer.NonOverlappingVisibleIntervals(filer.LookupFn(fh.f.wfs), fh.f.entry.Chunks)
@@ -149,6 +155,7 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
copy(data, req.Data)
}
fh.f.entry.Content = nil
fh.f.entry.Attributes.FileSize = uint64(max(req.Offset+int64(len(data)), int64(fh.f.entry.Attributes.FileSize)))
glog.V(4).Infof("%v write [%d,%d) %d", fh.f.fullpath(), req.Offset, req.Offset+int64(len(req.Data)), len(req.Data))