In this mode, one server runs in ACTIVE mode servicing requests from the clients and one or more servers run in PASSIVE mode acting as a hot standby for the ACTIVE server in case of a failure.

在该模式中，其中一个服务器以主动模式运行，处理来自客户端的请求；另一个或多个服务器以被动模式运行，在主动式服务器失败情况下即时充当替代服务器的角色。

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Active logs are logs that prevent lost of data during crash recovery such as power failure.

活跃日志防止在崩溃恢复(比如电源故障)期间的数据损失。

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So this is a general design criteria that is very very important because it attempts to compensate for the failure of active systems.

所以，这是个总体的设计标准，它是非常，重要的，因为它是要补偿，有源系统的失效。

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The success or failure of active strategy is always measured on a net-of-cost, risk-adjusted basis against its benchmark.

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Packed with data from dozens of academic studies, this book shows the hard facts about the failure of active management and the fund companies who profit from it despite the chronic underperformance.

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Yet the record will prove that active management is a catastrophic failure to achieve that goal.

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