作者:jytujtuyt | 来源:互联网 | 2023-10-12 18:31
默认的删除时间,可以配置的:
![](https://img8.php1.cn/3cdc5/1e804/a6e/3f10cb08d72ff101.png)
![](https://img8.php1.cn/3cdc5/1e804/a6e/ccbb0bdb128c1e7a.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
![](https://img8.php1.cn/3cdc5/1e804/a6e/1544aebadb6cc6d4.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
我们看下
![](https://img8.php1.cn/3cdc5/1e804/a6e/9672dc17a4d11d10.png)
这个是接口我们看下它的实现类。
![](https://img8.php1.cn/3cdc5/1e804/a6e/fedc6c23375c32a2.png)
苹果电脑看继承的类:option+command,双击。
![](https://img8.php1.cn/3cdc5/1e804/a6e/2e43226371ad0242.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
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commitLog:
![](https://img8.php1.cn/3cdc5/1e804/a6e/9a19358eb3fb9e8e.png)
![](https://img8.php1.cn/3cdc5/1e804/a6e/e9db333b9aa19251.png)
![](https://img8.php1.cn/3cdc5/1e804/a6e/3f83e30a863d9698.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
![](https://img8.php1.cn/3cdc5/1e804/a6e/175526474fa624e6.png)
![](https://img8.php1.cn/3cdc5/1e804/a6e/f5b53b2241f93a31.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
![](https://img8.php1.cn/3cdc5/1e804/a6e/8c622cfc242d4213.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
consumerqueue是文件。
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零拷贝技术:
可以看下文档。
![](https://img8.php1.cn/3cdc5/1e804/a6e/3d8f01c28f4bf4c6.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
这个很复杂的。
![](https://img8.php1.cn/3cdc5/1e804/a6e/70885b9812cb99e7.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
设备 内核 用户空间
零拷贝技术:
![](https://img8.php1.cn/3cdc5/1e804/a6e/f3213274f03210b6.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
![](https://img8.php1.cn/3cdc5/1e804/a6e/2aac141b8f18a5cb.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
![](https://img.php1.cn/3cd4a/94ce/a6e/865776f6fe3d5f59.jpeg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4NzY0NTU3,size_16,color_FFFFFF,t_70)
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mmap:https://blog.csdn.net/qq_33611327/article/details/81738195