Tag: Redis
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Post Views: 17 1. In Laravel 6, access:https://object.local, 302 jump tohttps://xxx.xxx.xxx.top. as shown in Figure 1 2. Look in the source code: xxx.xxx.xxx.top, not found. And the database has replaced all xxx.xxx.xxx.top with Object.local. 3. There is a key name in Redis: laravel_cache:main_domain_cache, its value: s:26:”xxx.xxx.xxx.top”;. as shown in Figure 2 4. After clearing Redis, visit again:https://object.local, the response 500.…
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Post Views: 14 1. When executing the command: php artisan larabbs:calculate-active-user, an error is reported: classredisnot found. as shown in Figure 1 2. The cache is used in this command, and redis is used as the cache driver. Edit the .dev file and add: redis_client=predis 3. Execute the command again: php artisan larabbs:calculate-active-user, no more errors are reported. as shown…
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Post Views: 19 1. Reference URL:https://www.shuijingwanwq.com/2017/01/08/1505/, the process of realizing the locking mechanism of Redis under Yii2.0, its core is to use Redis SetNX. 2. Generally speaking, after the lock is successful, the corresponding business logic is executed, and then the lock is deleted. However, if the business logic is accidentally exited for some reason, resulting in a lock but…
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Post Views: 15 1. At this stage, the realization of the third-party platform of WeChat is connected. In the interface of receiving verification tickets (receiving the WeChat server push), the token (component_access_token) will be judged in Redis Whether it exists, if not, get the token (HTTP request). It is equivalent to pushing the WeChat server every 10 minutes, which is…
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Post Views: 14 1. Reference URL:https://blog.csdn.net/zhanghan18333611647/article/details/81434786. Implemented through the program (Python version 2.x ). Create a new migrate.py file. 2. On the self-built Redis machine, connect the self-built Redis and Tencent Cloud come with Redis. Tencent Cloud’s own redis database 0 is empty. It is planned to use this database as the migration target. as shown in Figure 1 3.…
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Post Views: 12 1. In Yii 2.0, the active record of Redis (Active Record) is based on the view structure, which is inconsistent with the order of the model fields. as shown in Figure 1 2. Check the Redis activity record class, /common/models/redis/douyinwebappUserAccessToken.php 3. Print the model object of redis (before the update), $redisdouyinWebAppUserAccessToken. 4. Print the model object of…
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Post Views: 16 1. Yii2 queue extension, in the Redis driver, when the info command prints information about the queue status, the queue of the reserved state has always existed. Check the system log, there is no abnormal output. Reference URL:https://www.shuijingwanwq.com/2019/12/16/3737/. as shown in Figure 1 2. Check the running status of supervisord: supervisorctl status. Delete the task group queue,…
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Post Views: 13 1. Error: Redis Error err for Redis Cluster, evalevalsha number of keys canT be negative or zero. as shown in Figure 1 2. Reference URL:https://developer.aliyun.com/article/645851. One of the limitations of the Lua script for the cloud Redis cluster, the call must have a key, otherwise the error message will be returned directly, “-err for redis cluster, eval/evalsha…
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Post Views: 13 1. In Yii 2.0, the realization of health check, a colleague implemented a version before, I feel that it is necessary to adjust it again 2. The analysis code found that yii::$app->db->getisActive() is unnecessary. View the source code of the corresponding method separately. The related implementation of $this->pdo in getIsActive() already exists in open() . 3. Analyze…