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volume: add special handling for .dat larger than 32GB

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This commit is contained in:
Chris Lu
2020-10-27 13:11:56 -07:00
parent 44921220b0
commit 06c15ab35c
2 changed files with 11 additions and 0 deletions
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4
weed/storage/volume_read_write.go
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@@ -17,6 +17,7 @@ import (
var ErrorNotFound = errors.New("not found")
var ErrorDeleted = errors.New("already deleted")
var ErrorSizeMismatch = errors.New("size mismatch")
// isFileUnchanged checks whether this needle to write is same as last one.
// It requires serialized access in the same volume.
@@ -274,6 +275,9 @@ func (v *Volume) readNeedle(n *needle.Needle, readOption *ReadOption) (int, erro
return 0, nil
}
err := n.ReadData(v.DataBackend, nv.Offset.ToAcutalOffset(), readSize, v.Version())
if err == needle.ErrorSizeMismatch && OffsetSize == 4 {
err = n.ReadData(v.DataBackend, nv.Offset.ToAcutalOffset()+int64(MaxPossibleVolumeSize), readSize, v.Version())
}
if err != nil {
return 0, err
}