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fuse: Improve memory usage 

Discard blobs that aren't in use any more. This greatly reduces memory
usage and will probably only trigger on sequential read (e.g. for
restore via fuse).

Closes #480
This commit is contained in:
Alexander Neumann 2017-01-24 12:38:44 +01:00
parent 17d7af6ccc
commit afc593676a
1 changed files with 5 additions and 0 deletions
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5
src/restic/fuse/file.go
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@ -91,6 +91,11 @@ func (f *file) getBlobAt(i int) (blob []byte, err error) {
return f.blobs[i], nil return f.blobs[i], nil
} }
// release earlier blobs
for j := 0; j < i; j++ {
f.blobs[j] = nil
}
buf := restic.NewBlobBuffer(f.sizes[i]) buf := restic.NewBlobBuffer(f.sizes[i])
n, err := f.repo.LoadBlob(restic.DataBlob, f.node.Content[i], buf) n, err := f.repo.LoadBlob(restic.DataBlob, f.node.Content[i], buf)
if err != nil { if err != nil {