在进行任何更改之前，获得性能基准数是很重要的，因为只有与基准进行比较才能确切说明系统变快还是变慢。
Before changing anything, it is critical to get a baseline performance number, because only a comparison to the baseline can definitively show that the system is faster or slower.
较低的设置会减少连接数，但是以性能作为代价。
Lower Settings reduce the number of connections at the expense of performance.
因此，如果减少每个HTTP请求的总连接数，将一个连接用于多个查询，则可以提高处理器、磁盘和网络性能。
Therefore reducing the number of total connections per HTTP request by reusing a connection for more than one query improves processor, disk, and network performance.
但是如果您又不想增加表中定义的索引数，那您的性能调整真到了穷途末路吗？
But if you don't want to increase the number of indexes defined on the table, are you at a performance tuning dead end?
您可能需要删除不需要的年份，以减少缓存在服务器内存中的日期维度的成员数，从而提高系统性能。
You may also want to remove unneeded years in order to decrease the number of date dimension members that are cached in sever memory, thereby improving system performance.
分区键不能多于16 个列，列数越少导致的性能就越好。
The partitioning key cannot be more than 16 columns, but fewer columns result in better performance.
提高性能和降低每秒百万指令数（Millions-of-Instructions-Per-Second，MIPS）。
Improve performance and reduce millions-of-instructions-per-second (MIPS) usage.
Route节点和FlowOrder节点之间的主要区别在于，支持同步分支执行的输出终端数不同，性能方面也可能不同。
The main differences between the Route and FlowOrder nodes is the number of output terminals supporting synchronous branch execution and possibly performance.
当DB2和样例应用程序在一台本地机上运行时，根据每个事务的对象数，pureQuery 通过JDBC 将运行时性能提升了超过 40%。
When DB2 and the sample application are running on a local machine, pureQuery improved elapsed-time performance over JDBC by more than 40 percent, depending on the number of objects per transaction.
线程数越多，就允许Web容器为Web服务器中的更多当前请求提供服务，从而提高系统的性能。
A high number of threads allows the Web container to serve more concurrent requests from the Web server and hence improves the performance of the system.
以前的竞赛将重点放在改善批处理性能上，在 2010 年，我们使用了每分钟事务数作为基准。
Previous contests had focused on improving batch processing performance time; in 2010, we used transactions per minute as the benchmark.
这可极大改善从一个或多个集群维数限定并选择数据的那些查询的性能。
This can greatly improve the performance of queries that constrain and select data along one or multiple clustering dimensions.
如果各数据库分区存储的记录数不均，就会导致不均衡的存储需求和性能问题。
If records are stored unequally across the database partitions, it can result in disproportional storage requirements and performance problems.
较高的设置可能会提高性能，但增加数据源连接数。
Higher Settings may improve performance but raise the number of connections to the data source.
为了获得最佳性能，指定的进程数应该与复制集中的复制数一致。
For best performance, you should specify the same number of processes as the number of replicates in the replicate set.
对于解析过程的总体性能影响取决于文档中与新行数目相关的字符数。
The overall performance impact on parsing depends on the number of characters in a document relative to the number of new lines.
后处理程序脚本的输出提供响应时间、总错误数和超过计数的性能阈值的平均数。
Output from the postprocessing script provides averages in response times, total errors, and performance thresholds exceeded counts.
当连接数达到某一值后，数据库性能将开始下滑。
At a certain number of connections, database performance degrades.
我们来看看第三个评价任务，以免您认为这是因为随机数生成器的性能有所不同。
Lest you think that this is due to the performance of RNGs, let's take a look at this third evaluative task.
然而最值得关注的改变要数groovy的运行时性能改进。
However, the most noticeable changes will be in the general runtime performance improvements of Groovy.
当关系数据库试图在一个单一表中存储数TB的数据时，总性能经常会降低。
When relational databases attempt to store terabytes of data in single tables, overall performance typically degrades.
针对有效数相加问题，本文提出了三输入加法树的设计方法，并就其性能作了简要的分析。
In order to deal with the significant digits addition we designed three inputs adder tree, and give a simple performance discuss of this method.
在文本分类中，有效的维数约简可以提高学习任务的效率和分类性能。
Effective dimensionality reduction could make the learning task more efficient and more accurate in text classification.
但是，随着光纤中信道数的增多、光功率的增加，已使光纤非线性效应成为影响系统性能的主要因素。
What's more, with the light power obviously intensifying and tunnel noticeably increasing, fiber nonlinearities have become a mainly important limitation imposing on systems.
在不同带型组合所对应的个体早期生产性能平均数的比较中，差异显著。
The result is significant on post hoc multiple comparisons of early production performance of different band type combination.
讨论了一个用于语音编码的频域技术，用以在浊音语音共振峰模型方面改善低阶数线性预测(LP)的性能。
A frequency domain technique is presented to be used in speech coding to improve the performance of low order linear prediction (LP) in modeling of formants of voiced speech.
仿真结果表明，在生成树拓扑抽象中使用此逼近算法后，可大大减少源节点由于拓扑信息不准确而产生的路由决策错误数，提高网络性能。
Simulation results show that the proposed algorithm can greatly reduce the routing decision errors of the source nodes due to inaccurate topology information, and improve network performance.
通过对实型铸造干砂振动填充紧实中的振动方向、维数、频率、加速度及干砂种类等诸多影响要素的测定实验，研究了实型铸造振动紧实干砂的性能。
Vibratory compactability of dry sand in full mold foundry has been researched by experiments on effective factors such as vibratory direction, dimensions, frequency, acceleration and dry sand sorts.
分析了叶片数、叶片局部加厚、上冠下环厚度等因素对转轮强度性能的影响。
The factors of effecting runner intensity performance such as the blades number, local thickness of crown and band are analyzed.
分析了叶片数、叶片局部加厚、上冠下环厚度等因素对转轮强度性能的影响。
The factors of effecting runner intensity performance such as the blades number, local thickness of crown and band are analyzed.
应用推荐