Find and Delete multiple keys matching by a pattern in Redis the right way.

redis 的一些 best practices,其中包括 keys 与 scan,应该舍去已发生阻塞其他事物,不同于 keys 返回所有的 key,scan 只会返回一部分。另外可以利用 pipeline 实现一次执行多个命令,并能保证事物的原子性

Find and Delete multiple keys matching by a pattern in Redis the right way.

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