详细解释这两句话的意思： .option(ChannelOption.SO_BACKLOG, 2048). childOption(ChannelOption.SO_KEEPALIVE, true); 语言方向：Java
`option(ChannelOption.SO_BACKLOG, 2048)` 用于设置服务器套接字的 `SO_BACKLOG` 选项，`2048` 是指定的参数值。`SO_BACKLOG` 通常用于指定服务器在处理连接请求时的队列长度，即服务器在处理完当前连接之前可以排队等待处理的连接数量。 `childOption(ChannelOption.SO_KEEPALIVE, true)` 用于为子通道（即与客户端建立的连接通道）设置 `SO_KEEPALIVE` 选项为 `true` 。`SO_KEEPALIVE` 选项用于保持连接的活跃性，如果设置为 `true` ，在一段时间没有数据传输时，会发送一个探测包来检查连接是否仍然有效，以避免因网络异常等原因导致的连接中断而未被及时发现。 额外需要注意的逻辑点： 1. 选项的值需要根据实际的网络环境和应用需求进行合理设置。 2. 不同的操作系统对这些选项的支持和处理可能会有所差异。 3. 对于选项的更改可能会影响到系统的性能和资源使用，需要进行测试和评估。 [2025-01-17 18:27:43 | AI写代码神器 | 255点数解答]
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