For these scenarios, one technique that can be used to overcome the implicit cluster size limit is to define a hierarchical cluster or "super cluster," as shown in Figure 1.

对于这些情况，可以用来克服这种潜在的集群大小限制的技巧就是定义一个具有层次结构的集群，即“超级集群”，如图1所示。

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You should limit this option to those cases where it is proven that acceptable throughput cannot be otherwise achieved (Figure 3).

对于那些被证实不能以其他方式达到可接受吞吐量的情形，应限制此选项(图3)。

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Users attempting to create reservation requests directly in the R&R database are given more specific feedback about what the limit is (see figure 6).

试图直接在 R&R 数据库中创建预订请求的用户将收到关于此预订受到何种限制的详细反馈信息（参见图 6）。

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They will leave many families who are already stretched to the limit scrambling to figure out what to do.

WHITEHOUSE: Weekly Address: Congress Must Act Now to Stop the Sequester

President Obama has warned the cuts will slow the US economy, eliminate jobs, and "leave many families who are already stretched to the limit scrambling to figure out what to do".

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The figure McCain announced was a compromise between those who believe such a limit is necessary for making a national policy work and those who say the industry should get no such protection.

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