First, let's look at the performance effect of mail file size.
首先，看一下邮件文件的大小对性能产生的影响。
Here are some factors that were found to not have a significant performance effect.
下面这些因素对性能的影响不是很大。
The results indicate that there is a beneficial performance effect from having transaction logging enabled.
结果表明启用事务日志能够提升性能。
The question that arises is this one: If logging can have a positive performance effect, can we see greater improvement through tuning?
存在的问题是：如果日志记录对性能的影响是正面的，那么可以通过调优来实现更好的性能吗？
The more specific JIT optimization, that was narrowed down to, the less adverse performance effect disabling of this optimization option will have as a workaround.
JIT的优化选项越具体(这可以缩小范围)，禁用这种优化选项产生的性能影响就越小，这样就可能会很容易得到一个解决方案。
There was not a significant performance effect, which was most likely due to the lack of a bottleneck on the logging disk because the level of concurrency was fairly low.
结果表明性能的差别不大，很可能是因为并发性水平很低，日志磁盘没有成为瓶颈。
Lead acid battery is an important part of the Uninterruptable power system UPS, the battery performance effect directly the safety and reliability of the whole power supply system.
铅酸电池是UPS不间断电源系统重要组成部分，电池性能的优劣直接影响整个供电系统的安全性和可靠性。
"It actually had a very negative effect on morale and performance," Werbach says.
韦尔巴赫说：“实际上，这对士气和表现有很大的负面影响。”
Though little evidence of any direct effect was found, the frequent negative correlations between IT and performance suggested that IT had probably weakened some firms' competitive positions.
虽然没有发现任何直接影响的证据，但IT与业绩之间频繁的负相关关系表明，IT可能削弱了一些公司的竞争地位。
Constant practice has such an effect on memory as to lead to skillful performance on the piano, to recitation of a poem, and even to reading and understanding these words.
不断的练习对记忆有很大的影响，有助于熟练地弹奏钢琴，背诵诗歌，甚至阅读和理解这些单词。
They found that early attention skills were the most consistent predictor of academic success, and that likability by peers also had a modest effect on academic performance.
他们发现，早期的注意力技能是学业成功最一致的预测因素，同伴的友善程度对学习成绩也有一定的影响。
What and when you eat before, during, and after yourruns has a huge effect on your performance and recovery.
比赛之前，途中和完赛后你什么时候吃什么东西对你的表现和恢复有巨大的影响。
One of the main drawbacks is the effect on performance.
一个主要的缺点是对性能有影响。
If no user exits are active then this feature has no effect on performance.
如果没有任何用户出口是活动的，则此功能对性能没有影响。
This can be useful while debugging or setting up a system, but can have a significant effect on performance.
这样做可能对调试或设置系统非常有用，但也可能对性能产生巨大影响。
To some degree, concurrency and size complement each other in their use of resources and overall effect on performance.
在某种程度上，在资源使用和对性能的总体影响方面，并发性和数据库大小是互补的。
He supports the idea of co-operating to develop some components the customers don't see, such as hydrogen compressors, valves and humidifiers, that don't effect performance or driving characteristics.
他支持公司间合作开发一些消费者不会看到的汽车部件，如氢气压缩机，阀门和增湿器，这些部件不会影响到汽车性能或者驾驶特性。
Clearly the use of check constraints has a minor effect on performance, but foreign keys and triggers can be extremely significant.
显然，检查约束的使用对性能有一点小小的影响，但是外键和触发器的影响却非常大。
Garbage collection can have a big effect on application performance.
垃圾收集对应用程序的性能具有很大影响。
Garbage collectors that group objects that are accessed at the same time together have a positive effect on application performance.
将同一时刻访问的对象分组到一起的垃圾收集器能够对应用程序性能产生积极影响。
And this acrobatic, multimedia performance termed "the Butterfly Effect" relayed age old messages of dark forces battling the light and evil versus good.
在这个叫做“蝴蝶效应”的杂技式多媒体表演中，传播了古老的信息，即黑暗势力与光明做斗争，邪恶与善良作斗争。
One review of more than 220 studies concluded that equity ownership had no consistent effect on financial performance.
一篇对220多项研究的文献综述得出结论，股权对财务绩效没有一致性影响。
Hardware obviously has an effect on performance.
很明显，硬件是对性能有影响的。
The effect on performance of other connectors is expected to be similar to those shown below.
其他连接器对性能的影响按理应该与下面的连接器相近。
Transaction logging appeared to have a small but significant effect on overall performance and for the two major transaction types.
事务日志对总体性能和两个主要事务类型的影响比较小但非常重要。
The increasing load time latency for sophisticated Web pages is not a new issue, nor is the use of some form of pipelining to effect performance gains.
复杂网页不断攀升的加载时间延迟问题已经不是什么新话题了，也有不少人提出使用某种管道技术来提升性能。
The increasing load time latency for sophisticated Web pages is not a new issue, nor is the use of some form of pipelining to effect performance gains.
复杂网页不断攀升的加载时间延迟问题已经不是什么新话题了，也有不少人提出使用某种管道技术来提升性能。
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