Look for excessive CPU utilization and memory paging or swapping — these are performance killers.

注意过高的CPU利用率和内存分页或交换——这些都是性能杀手。

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This section describes recommendations for system performance, including memory and paging, disk configuration, and connectors.

本小节提供调优系统性能的建议，包括内存和分页、磁盘配置以及连接器。

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If a cache is too big, then it can waste memory in the JVM and could result in low memory conditions or increased paging, both of which result in performance degradation.

如果缓存太大，则会浪费JVM中的内存，并且可能导致内存不足条件或增加内存分页，这两种情况都会导致性能下降。

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