func (pc *Periodic) Resume() {
	pc.mu.Lock()
	pc.paused = false
	pc.mu.Unlock()
}
func (pc *Periodic) Resume() {
	pc.mu.Lock()
	pc.paused = false
	pc.mu.Unlock()
}
func ( pc * Periodic ) Resume ( ) { pc . mu . Lock ( ) pc . paused = false pc . mu . Unlock ( ) }
// Resume resumes periodic compactor.
Resume resumes periodic compactor .