更糟糕的情况是：构建代理会开始覆盖交付准备服务器上的文件，而这时这些文件正在推送到生产环境服务器上。

Or worse, the build agent can start overwriting files on the staging server while they are simultaneously being pushed to the production server.

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对象推送配置文件定义了推送服务端与客户端的角色。

The object push profile defines the roles of push server and push client.

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一个服务器推送剧本，不使用额外的文件描述符的例子。

See the comet. c example for a server-push script that does not use additional file descriptors.

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