If the transaction in one resource commits successfully but another fails and must roll back, the first transaction can no longer be rolled back, so the state of the application becomes inconsistent.
如果一个资源中的事务成功提交,而另一个资源中的事务提交失败且必须回滚,那么第一个事务将不再回滚,这将使应用程序的状态不一致。
Google rolled back the blogger service to a pre-maintenance state and placed the service into read-only mode while the company worked through the problem, making it impossible to post to blogger.
Google将Blogger服务回滚到维护前的状态,然后在解决这个问题的过程中将服务置为只读模式,这个时候用户不能在Blogger上发表文章。
If a deployment fails, a node will be rolled back to its previous state.
如果某次部署失败,那么该节点就会回滚到其之前的状态。
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