caijinxu

**Describe the bug** A clear and concise description of what the bug is, ideally within 20 words. 容器文件日志收集，一个日志文件打开多个文件描述符，最后触发以下报错： [2022-09-21 04:36:24.752141] [warning] [000033] /src/core/event_handler/EventHandler.cpp:582 too many open files:skip this read operation...