func (s *RedisStore) putback(id *bucket.Id) error {
defer utils.MeasureT("bucket.putback", time.Now())
rc := s.redisPool.Get()
defer rc.Close()
key := id.Encode()
partition := s.bucketPartition([]byte(key))
rc.Send("MULTI")
rc.Send("SADD", partition, key)
rc.Send("EXPIRE", partition, 300)
_, err := rc.Do("EXEC")
if err != nil {
return err
}
return nil
}