| 类型: | bool |
| 默认: | on |
| 上下文: | superuser |
| 重新开始: | false |
| 以来: | 12 |
如果设置为 on (默认值), 这个选项会导致 WAL文件通过重命名它们来回收, 从而避免创建新文件的需要。 在COW 文件系统, 创建新文件也许会更快，因此提供这个选项来禁用这种行为。
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