func NewRecognizableBptree(maxDegree, maxDepth int, allowOverlap bool) (*RecognizableBptree, error) {
bptree, err := NewBptree(maxDegree, maxDepth, allowOverlap)
if err != nil {
return nil, err
}
return &RecognizableBptree{
Bptree: bptree,
lastModified: -1,
lastModifiedLock: new(sync.RWMutex),
notifyQueue: lfreequeue.NewQueue(),
}, nil
}
// init memdb
func initMemdb() *luxStor {
runtime.GOMAXPROCS(runtime.NumCPU())
ls := &luxStor{memdb: memstore.New()}
ls.memdb.SetKeyComparator(byteItemKeyCompare)
ls.workQueue = lfreequeue.NewQueue()
for i := 0; i < runtime.GOMAXPROCS(0); i++ {
ls.writers = append(ls.writers, ls.memdb.NewWriter())
}
// create a queue of writers
for i := 0; i < 128; i++ {
w := ls.memdb.NewWriter()
ls.workQueue.Enqueue(w)
}
return ls
}