Puma 2.10.2 发布，Puma是一个为Ruby web程序提供高速处理以及HTTP 1.1并发的服务器小型库。它被设计只用来运行Rack程序 速度对比：
该版本修复了一个 bug： * Conditionalize thread local cleaning, fixes perf degradation fix The code to clean out all Thread locals adds pretty significant overhead to a each request, so it has to be turned on explicitly if a user needs it. |
