package needle import ( "strconv" "github.com/google/btree" ) const ( batch = 100000 ) type NeedleValue struct { Key Key Offset uint32 `comment:"Volume offset"` //since aligned to 8 bytes, range is 4G*8=32G Size uint32 `comment:"Size of the data portion"` } func (this NeedleValue) Less(than btree.Item) bool { that := than.(NeedleValue) return this.Key < that.Key } type Key uint64 func (k Key) String() string { return strconv.FormatUint(uint64(k), 10) }