Understanding When to use RabbitMQ or Apache Kafka https://content.pivotal.io/rabbitmq/understanding-when-to-use-rabbitmq-or-apache-kafka Performance Kafka shines here by design: 100k/sec performance is often a key driver for people choosing Apache K
prepare可以解决大访问量的网站给数据库服务器所带来的负载和开销,本文章通过实例向大家介绍预查询prepare与普通查询的性能对比,需要的朋友可以参考一下. 实例代码如下: <?php class timer { public $StartTime = 0; public $StopTime = 0; public $TimeSpent = 0; function start(){ $this->StartTime = microtime(); } function stop(){ $th