rollbacks

There is little memory access overhead and rollbacks are rare .

因为内存访问的开销很低，而且回滚操作很少。

Clojure uses very high performance persistent data structures to make this kind of transactions / rollbacks efficient .

Clojure采用性能非常高的永久数据结构，来确保此类事务/回滚的效率。

2PC protocol is used to assure distributed transaction rollbacks when error is occurred .

使用了两段提交协议和两段锁协议，保证分布式事务的发生故障时完全回滚，几个事务并发执行时能保证事务可串行化。

The intention was to force transaction rollbacks to occur , so system testers could ensure that recovery completed successfully .

目的在于强迫事务回滚，这样系统测试人员可以确保成功地完成恢复。

Even with rollbacks , database-backed testing is slow .

即使使用了回滚，受数据库支撑的测试仍很慢。

Variables have limited scope and are not part of the persistent database , they are not affected by transaction rollbacks .

变量作用域有限，并且不是持久数据库的一部分，因而不受事务回滚的影响。

Any rollbacks to the savepoint fail if any updates were made on an older server .

如果对较旧的服务器执行更新的话，对保存点执行的任何回滚都会失败。

Transaction attributes and boundaries-Nature of errors such as system Vs application errors influences how different runtime platforms handle automatic rollbacks .

事务属性和边界&各种错误各具特色，例如系统出错与程序出错，这种错误的特性影响不同的运行时平台如何处理自动回滚。

Whenever possible , the transaction owner should be the only method that performs commits and rollbacks on the transaction .

只要可能，事务拥有者应该是对事务执行提交和回滚的唯一方法。

If a large number of rollbacks caused by optimistic lock exceptions are occurring , it may be time to rethink your strategy .

如果乐观锁异常会引起大量的回滚，那么应该重新考虑您的策略。

The slow service rate of the server coupled with the effects of the transaction rollbacks caused other WebSphere Application Server servant regions to be rolled back .

服务器服务速率缓慢再加上事务回滚的影响，导致其他WebSphereApplicationServer服务区域回滚。

The overhead of such systems comes from two aspects : comparing and saving operations at each checkpoint , and the rollbacks caused by faults .

上述系统的开销主要来自两方面：其一是每个检查点的比较和保存开销，其二是因故障而引起的卷回。

Compensation transactions and manual rollbacks are configured with the fault handlers so that appropriate corrective actions could be applied to handle the process errors .

补偿事务和手动回滚都设置了错误处理器，所以恰当的纠正措施可应用于处理流程错误。

Regardless , the Heat probably will have little to no wiggle room , even if the CBA calls for rollbacks of current salaries .

无论如何，即使新劳资协定允许球员工资削减，热火队也几乎没有回旋的余地。

This article assumes that you have an intermediate understanding of transaction service concepts ( such as ACID properties , commits / rollbacks , transaction demarcation , etc. ) .

本文假设您已经对事务服务的概念（例如，ACIDproperties、提交/回滚、事务划分，等等）的理解达到中级水平。

Generic configuration management tools can do the job , but using them to reproduce the specific steps in deploying an application and managing migrations and configuration rollbacks is difficult .

良好的配置管理工具能够完成这项工作，但是使用它们重新完成部署应用程序中特定的步骤，或者管理迁移和配置回滚是很困难的。

For example , it 's interesting to separate a TIMEOUT event from a SERVER_SHUTDOWN event , for logging purposes or to investigate the need for transaction rollbacks .

例如，为了记录日志或调查事务回滚的需求，将TIMEOUT事件从SERVERSHUTDOWN事件分离出来是很有意义的。

Additionally , the COMMITs and ROLLBACKs in the calling session should not affect the changes that were finalized on the completion of the autonomous transaction itself .

此外，调用会话中的COMMITs和ROLLBACKs不应当影响自治事务本身完成时发生的最后更改。

The problem with allowing the servlet container to handle exceptions is that it severely limits what can be displayed on the resulting error page and makes transactional rollbacks all but impossible .

允许servlet容器处理异常的问题在于，这严重限制了错误页面上显示的内容，并且禁止了事务回滚。

In fact , they 're still trying everything to attack everything this reform accomplishes - from hiding rollbacks of key protections in unrelated bills , to blocking the financial cops on the beat from doing their job .

事实上，他们仍然在竭尽全力企图攻击这项改革的成就—从隐藏重启对无关法案的关键性保护到阻挠金融警察行使职权。

When there are few save conflicts , optimistic concurrency provides better performance than other concurrency options , but if there are frequent collisions from different updates of the same record resulting in exceptions and rollbacks , then other concurrency options will provide better performance .

当保存冲突较少时，理想的并发控制能提供较其他并发选项更好的性能，但是如果对相同记录的不同更新经常有冲突导致异常或回滚，那么其他的并发选项会提供更好的性能。