The commit at the end of the unit of work cannot complete until all of the dirty pages involved in the unit of work have been written to disk.

在工作单元最后进行的提交，必须等到在此工作单元内涉及的所有脏页都被写到磁盘之后才能完成。

youdao

In phase 2 (commit phase), WebSphere transaction manager skips the communication with this resource manager, and it will not disk force or log any activities related to this resource manager.

在阶段2(提交阶段)中，WebSphere事务管理程序略过与资源管理程序的通信，并且它并不冒险强制或记录任何与这个资源管理程序相关的活动。

youdao

This is due to how WebSphere MQ accesses the disk: essentially, MQ can only respond to the commit when the relevant part of the disk platter has spun past the drive head.

这归因于WebSphere MQ访问磁盘的方式：实质上，MQ只能在磁盘的相关部分转过磁盘头时才响应commit 。

youdao