《专题二单节点系统》之《第三章应用服务器优化》之《第三节 Tomcat容器优化》

淡淡的烟草味﹌ 2023-10-06 11:05 17阅读 0赞

#### 文章目录 ####

*  《3.3.2 BIO网络编程》
 *  《3.3.3 NIO网络编程》：
 *  《3.3.5 Tomcat参数调优》：

## 《3.3.2 BIO网络编程》 ##

*  HTTP协议之响应状态码：  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70]
 *  17 38  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 1]

## 《3.3.3 NIO网络编程》： ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 2]

*  堆外内存：  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 3]
 *  Channel通道：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 4]

*  ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 5]
 *  轮询通道
 *  Selector选择器：不再轮询通道,改为轮询事件  
    ![在这里插入图片描述][2020061516370131.png]
 *  BIO vs NIO:  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 6]
 *  我理解java nio性能上的主要改进：1，非阻塞；2，利用Selector，不再轮询通道,改为轮询事件。
 *  NIO与多线程结合的改进方案：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 7]

## 《3.3.5 Tomcat参数调优》： ##

![在这里插入图片描述][20200616020020150.png]  
调优：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIzMjA0NTU3_size_16_color_FFFFFF_t_70 8]  
架构建议：  
![在这里插入图片描述][20200616020810516.png]

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[2020061516370131.png]: https://img-blog.csdnimg.cn/2020061516370131.png
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[20200616020020150.png]: https://img-blog.csdnimg.cn/20200616020020150.png
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[20200616020810516.png]: https://img-blog.csdnimg.cn/20200616020810516.png