在这种情况下，您可以通过连接启用了写缓存的外部存储设备来提高性能。
In this case, you can improve performance by connecting to an external storage device that has write cache enabled.
远程数据源启用了F2PC，且联邦服务器的日志放在无写缓存的磁盘上(绿色)。
F2PC to the remote source is enabled, and the federated server's logs are on a disk without write caching (green).
远程数据源启用了F2PC，且联邦服务器的日志放在带写缓存的磁盘上(黄色)。
F2PC to the remote source is enabled, and the federated server's logs are on a disk with write caching (yellow).
如果启用userspace调控器，还会在cpufreq目录中看到scaling_setspeed文件，根用户可以写这个文件。
If you enable the userspace governor, you will also see a file called scaling_setspeed that is writable by root in the cpufreq directory.
附加的日志磁盘写大多数发生在联邦服务器上，对于启用 F2PC的单站点事务有着最显著的性能影响。
The additional log disk writes, most of which take place at the federated server, represent the greatest performance impact on single-site transactions of enabling F2PC.
而为联邦服务器日志使用不带写缓存的慢速设备(例如内部SCSI驱动器)，将增加启用F2PC的影响，因为附加的磁盘写要花费更长的时间。
Using slow devices without write caching for the federated server logs (such as internal SCSI drives) increases the impact of enabling F2PC because the additional disk writes take longer.
即写即拷有利的原因有多个(不仅仅是因为它可以启用的快照和克隆等一些功能)。
Copy-on-write is advantageous for a number of reasons (not only for some of the capabilities like the snapshots and clones that it enables).
新的升级系统已经启用，将为第三版写一个升级模块。
We have initiated our new upgrade system and a new upgrade module will be written for PDR 3.
新的升级系统已经启用，将为第四版写一个升级模块。
We have initiated our new upgrade system and a new upgrade module will be written for PDR 4.
新的升级系统已经启用，将为第四版写一个升级模块。
We have initiated our new upgrade system and a new upgrade module will be written for PDR 4.
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