code: func (db *DB) resumeWrite() bool {
  	v := db.s.version()
  	defer v.release()
  	if v.tLen(0) < db.s.o.GetWriteL0PauseTrigger() {
  		return true
  	}
  	return false
  }
docs: // resumeWrite returns an indicator whether we should resume write operation if enough level0 files are compacted.