/**
     * 刪除指定前綴的一系列key
     *
     * @param pattern 匹配keys的規(guī)則
     */
    public void deleteKeysByScan(String pattern) {
        long start = System.currentTimeMillis();
        LOGGER.error("清理{}類外呼記錄緩存的定時任務開始執(zhí)行", pattern);
        String param = pattern + "*";
        Set<String> keys = this.getValuesForStringByScan(param);
        redisTemplate.delete(keys);
        LOGGER.error("清理{}類外呼記錄緩存的定時任務執(zhí)行結束，耗時：{}", pattern, (System.currentTimeMillis() - start));
    }

    /**
     * 獲取匹配的所有key，使用scan避免阻塞
     *
     * @param patten 匹配keys的規(guī)則
     * @return 返回獲取到的keys
     */
    public Set<String> getValuesForStringByScan(String patten) {
        return redisTemplate.execute(connect -> {
            Set<String> binaryKeys = new HashSet<>();
            Cursor<byte[]> cursor = connect.scan(new ScanOptions.ScanOptionsBuilder().match(patten).count(200000).build());
            while (cursor.hasNext() && binaryKeys.size() < 200000) {
                binaryKeys.add(new String(cursor.next()));
            }
            return binaryKeys;
        }, true);
    }

    public void deleteByPrex(String prex) {
        Set<String> keys = redisTemplate.keys(prex);
        if (CollectionUtils.isNotEmpty(keys)) {
            redisTemplate.delete(keys);
        }
    }

redis-cli keys "keys" | xargs redis-cli del