The reduction in disk I/O reduces execution time.
磁盘I/O 的减少也减少了执行时间。
MQ performance is commonly bound by disk I/O writes.
MQ性能常常受到磁盘I/O写入的限制。
Another piece of information I may require is disk information.
我需要的另一条信息是磁盘信息。
The LVM uses a construct named pbuf to control a pending disk I/O.
LVM使用一个称为pbuf 的组成部件来控制挂起的磁盘I/O。
So, if hit ratios are low, a significant amount of disk I/O is taking place.
所以，如果击中率较低，表明正在发生大量的磁盘I/O。
Therefore, OLTP transactions often spend a great deal of time waiting on disk I/O.
因此，OLTP事务通常会需要大量的磁盘I/O等待时间。
This reduces the disk I/O and significantly improves the performance and throughput.
这会减少磁盘I/O并显著提升性能和吞吐量。
The additional network hop and disk I/O is adding significant time to the transactions.
在执行过程中，网络跳转与磁盘I/O操作耗费了大多数时间。
The function of AIO is to perform disk I/O when SQL statement accessing or updating database data.
AIO的功能是在SQL语句访问或更新数据库数据时，执行磁盘I/O。
The large spike in the I/O Bytes History graph represents the disk I/O required to read the 14MB file.
I/OBytesHistory图表中的大型峰值表示磁盘 I/O要读取那个14MB文件。
We give performance analysis which indicates that this method can decrease the number of access on disk I/O.
性能分析表明该查询策略能显著降低磁盘I／O访问次数。
The closer the ratio is to 100 percent, the lower the frequency of disk I/O, and therefore the less overhead of reading data.
命中率越接近 100%，磁盘I/O的频率就越低，因而读取数据的开销就越少。
The vmstat tool outputs thread/process information, memory/swap usage, page ins/outs, disk I/O, page faults, and CPU statistics.
vmstat工具输出线程/进程信息、内存/交换区使用率、换进/换出页面、磁盘I/O、页面错误和CPU统计信息。
Transactions requiring disk I/O, such as flushing dirty pages from the buffer pool or flushing logs from the log buffer, may wait.
要求磁盘I/O 的事务，例如刷新缓冲池中的脏页或者刷新日志缓冲区中的日志，可能需要等待。
Most often, you want only a small subset of the data in the table, so a full table scan wastes a lot of disk I/O and therefore time.
通常来说，您可能只希望获得表中数据的一个子集，因此全表扫描会浪费大量的磁盘I/O，因此也就会浪费大量时间。
Unlike the tuning of other subsystems, tuning disk I/O should actually be started during the architectural phase of building your systems.
与其他子系统的优化工作不同，实际上在构建系统的体系结构设计阶段就应该开始进行磁盘I/O 优化。
The hit ratios for data and index pages reflect the number of times a page request was handled by the buffer pool directly without requiring disk I/O.
数据和索引页面的击中率反映了缓冲池在不需要磁盘I/O的情况下直接处理一个页面请求的时间量。
There are many other areas of investigation, for example, hardware, disk I/O, configuration, topology, tuning parameters, OS, and patches, among others.
还需要调查其他很多方面，比如硬件、磁盘I/O、配置、拓扑、调优参数、OS和补丁等。
Redo Logfile Sizing Advisor - This feature recommends the optimal size of redo log files in order to avoid excessive disk I/Os due to frequent checkpointing.
RedoLogfile SizingAdvisor ——此特性推荐重做日志文件的最佳大小，从而避免因频繁出现的检查点而导致过多的磁盘I/O。
The second command is to display disk I/O information and is helpful in determining whether we need to increase AIO/KAIO virtual processors. Here is the eample
第二个命令显示磁盘I/O信息，并有助于确定是否需要增加AIO/KAIO虚拟处理器。
Part 3 of this series focuses on the application layer as you move on to file systems, using various commands to monitor and tune your file systems and disk I/O subsystems.
本系列文章的第 3部分将在您继续研究文件系统的同时，重点关注于应用程序层，并使用各种命令以监视和优化您的文件系统和磁盘I/O 子系统。
Also developed for the PRA tree is an enhanced predictive range aggregate (EPRA) query algorithm which USES a more precise branch and bound searching strategy, reducing the disk I?
提出了一种增强预测范围聚集查询epra算法，采用更精确的剪枝搜索准则，减少了查询所需要访问的节点代价。
We are more proficient in analyzing the amount of the processor used and the amount of memory used, and we are now focusing more on the amount of disk I/O used (performance and configuration).
我们已经可以更加专业地分析处理器使用量和内存使用量，现在我们更多地关注磁盘I/O 使用量（性能和配置）。
In our fourth evaluation, we analyzed the disk I/O for each of the workloads.
在第四个评估场景中，我们分析了不同工作负载下的磁盘输入/输出。
How much disk space do I need to estimate for my database server?
对于我的数据库服务器，我需要估算多少硬盘空间呢？
我能要些计算机磁盘吗？
If I picked the wrong disk, I'd boot the wrong system.
如果我选择了错误的磁盘，就会引导了错误的系统。
I only have limited disk space, so I wrote a tile server in C++ that would generate tile files on demand, and then cache them.
我的硬盘空间不够用，因此我用C++写了一个贴图服务，可以根据需要生成并存储贴图文件。
With the operating system now residing on the new disk, I focused on migrating the data volume groups.
当操作系统现迁移到新磁盘之后，我重点进行数据卷组迁移。
Recently when I filled my disk drive I realized that I could pay the same amount per month but upgrade to a server with twice the RAM and more than twice the amount of disk space.
最近我填充我的硬盘，我突然意识到，我能够每月付同样的钱，可是把服务器的RAM扩大一倍，把硬盘空间扩大到两倍以上。
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