Question: "Why have we started to see such a big increase in log file sync wait time?"

问题：“为什么我们开始长时间等待log file sync(同步写日志文件)？ ”？

youdao

When the CPU load goes up, the time taken for a log file sync round trip can increase even when the number of log file syncs and the volume of redo log generated doesn't change.

CPU负荷增长尽管(写)事务量没有变写日志个数没有变日志文件同步的往返信号传输时间就会延长。

youdao

For example, if a new function is added to a source code and binary is created, verification that the source file and the binaries are in sync may be required.

例如，如果将新函数添加到源代码中并创建了相应的二进制文件，则需要验证源文件和二进制文件是同步的。

youdao

We have yet to adopt iWork around the office, but if you've been able to integrate Apple's office suite with your productivity workflow, then you'll likely find remote sync and file access to be incredibly useful.

ENGADGET: Apple iCloud and iWork beta for iOS hands-on Hands-on

The heart of it will be a capabilities layer that includes content, services, applications, file sharing, backup, and sync.

FORBES: Lenovo Buys Software Company

In addition, users have the flexibility to choose from seven different RAID configurations for specific hard drive protection preferences, schedule backups, and set file and folder permissions to allow for ultimate sync flexibility and storage control.

ENGADGET: D-Link Cloud Storage 4000 NAS stores up 16TB, hooks up to your smartphone and tablet