线上Redis流量优化经历全过程，一点点的小改动，流量下降500%

redis-cli  -h 主机名 -p 6379 -a 密码 monitor |grep "GET" > /tmp/temp-1.logCopy

 /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $file = "/tmp/monitor-2.log";
        $totalLen = $this->fileHandel($file);
        echo "完成 总大小："  . $totalLen . "\r\n";
        return 0;
    }

    /**
     * 根据文件获取
     */
    public function fileHandel($fileURL)
    {
        $handle = fopen($fileURL, "r");
        $totalLen  = 0;
        if ($handle) {
            while (($line = fgets($handle)) !== false) {
                // 处理每一行
                preg_match('/\[([0-9]+)[\s\S]+GET[\s\S]+"([^"]+)"/i', $line, $arr);
                if (count($arr) != 3) {
                    echo "错误";
                } else {
                    $len = $this->getLen($arr[2], $arr[1]);
                    $totalLen += $len;
                    echo $len . "  " . $arr[2] . "    " . $arr[1] . "\r\n";
                }
            }
            fclose($handle);
        } else {
            echo "无法打开文件";
        }

        return $totalLen;
    }

    private function getLen($key, $dbSelect)
    {
        //去掉前缀
        $key1 = (string)str_replace("redis端缀", "", $key);

        //设置库名
        Redis::select($dbSelect);

        //查询大小
        $len = Redis::strlen($key1);
        return $len;
    }Copy

        // 新代码
        $key = \getRedisKey('qSubjectList') . implode("", $ids);
        $fields = [  'id', 'name' ];
        $list =  Cache::remember($key, TTL::TTL_DAY_RAND(), function () use ($fields, $ids) {
            return self::query()->where('status', self::STATUS_ON)
            ->select($fields)
            ->whereIn("id", $ids)
            ->get()->toArray();
        }) ?? [];
        return collect($list)->whereIn('id', $ids);

        // 旧代码，需要优化
        // $list = self::getCacheList();
        // return collect($list)->whereIn('id', $ids);Copy