然而，如果集群负载以读为主——就像Web站点Notes.net一样——可以使用多个集群成员。
However, if the cluster load is primarily reads — as is the case with Web sites like Notes.net — multiple cluster members are not a problem.
压缩对于以读为主的应用程序更有价值，因为这样能够使得系统有足够的内存把频繁使用的数据都保持在内存里。
Compression is especially valuable for read-intensive applications, on systems with enough RAM to keep frequently used data in memory.
DPF对于以读操作为主的工作负载很有用，包括数据仓库环境中常见的工作负载。
DPF can be useful for read-intensive workloads, including those common to data warehouse environments.
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