In reality, the number of partitions should be given some thought.
实际上,需要对分区数目进行一定的考虑。
The number of partitions should be at least as big as the total number of servers, but should probably be as large as 2 or 3 times that.
分区数目应至少等于服务器的总数,但最好应为服务器总数的2到 3 倍。
The theoretical limit of the number of partitions is 32,000, and the maximum size supported for a table and table space is 16tb for 32k page size.
分区数的理论限制值为32,000,而表和表空间针对32k页面所支持的最大值是16TB。
Note: If this is a system with multiple physical partitions (MPP), the number of partitions in the database partition group must be the same on test.
注意:如果这是具有多个物理分区(MPP)的系统,那么测试中数据库分区组中的分区数目就必须相同。
Partitioning a database across multiple partitions lets you increase the maximum size of your table by a factor of the number of partitions in your environment.
跨多个分区划分数据库将允许您根据环境中分区数目的因数来增加表的最大大小。
The purpose of this example is to show that when dealing with partitioned tables, you need to account for the number of partitions from the operator output stream.
这个例子的意图是说明,在处理分区的表时,需要考虑到操作输出流涉及的分区数量。
To place an item in the cache, WebSphere eXtreme Scale calculates the key's hash code, divides by the number of partitions, and the remainder identifies the partition to store the item.
要将项放入缓存,WebSphereeXtremeScale计算键的散列码,除以分区的编号,余数标识存储项的分区。
Most of the operators discussed in this chapter accept a second parameter giving the number of partitions to use when creating the grouped or aggregated RDD, as shown in Examples 4-15 and 4-16.
本章讨论的大多数操作接收一个第二参数来提供使用的分区数,当创造分组或聚合的RDD时使用,如例4 - 15和4 - 16所示。
Table data skew refers to a difference between the number of records in a table on particular database partitions and the average number of records across all database partitions for this table.
表数据倾斜指的是特定的一些数据库分区上的某个表内的记录数与这个表所跨的所有数据库分区的平均记录数之间的差额。
When you do so, make sure the number of common paging space devices matches the number of redundant shared memory partitions.
如果这样做,一定要确保共用分页空间设备数量与冗余的共享内存分区的数量匹配。
Tables that will be joined on the partitioning key should have the same number of partitions and should break on the same values.
需要按分区键进行连接的表应该有相同数量的分区,并且应该在相同的值上断开。
Another DPF design decision is the number of database partitions.
另一个DPF设计决定是数据库分区的数量。
Depending on the number of database partitions, you may have one or more single-partition database partition groups, and one or more multi-partition database partition groups.
取决于数据库分区的数量,您可以有一个或多个单分区的数据库分区组,以及一个或多个多分区的数据库分区组。
Further, there are double the number of physical partitions than logical partitions, which signify that you are mirroring your systems.
而且,其中逻辑分区的数目是物理分区的两倍,这表示您正在对系统进行镜像。
The maximum number of logical partitions supported depends on the number of processors in the server model and the system limit is 254.
所支持的逻辑分区的最大数目取决于服务器模型中处理器的数目,系统限制是254。
For TP, design decisions include selecting the column to use as the table partitioning key and number of partitions.
对于TP,设计决定包括选择用作表分区键的列和分区的数量。
This ensures that container names are unique across partitions, by using the database partition number as part of the container name.
通过使用数据库分区号作为容器名称的一部分,可以确保容器名称在各分区当中是惟一的。
Data partitions will be created starting at the starting FROM value and will contain this number of values in the range.
从STARTING from值开始创建数据分区,数据分区的范围内包含指定数量的值。
The input array is first divided into N partitions of roughly equal size, where N is the number of logical CPUs.
输入数组首先被大致均等地划分为N个分区,这里N是逻辑CPU的数目。
Scalability: you need to have enough partitions to make use of the number of servers you might be running initially and in the future.
可伸缩性:您需要有足够的分区来使用最初和将来运行的服务器数量。
This limits the number of primary partitions on a disk to four.
这限制了一个磁盘上的主分区数量,最多为4个。
Finally, we compared CPU usage required for various Numbers of Domino partitions with a fixed number of users. The following table summarizes our results.
最后,我们比较一下在用户数量固定的情况下,使用不同Domino分区数目对CPU使用情况产生的影响。
The large number of distinct values in the pdb_id column ensures a relatively even distribution of rows over the database partitions.
pdb_id列中各异的值数量很大,这就确保了跨数据库分区可以获得相对均衡的行分布。
The number of distinct values must be great enough to ensure an even distribution of rows across all database partitions in the database partition group.
distinct值的数量必须多到足以确保数据行均匀地分布在数据库分区组中的所有数据库分区上。
In summary, parallel processing, in the context of DataStage, is an internal characteristic of a job that is measured by the number of data or processing partitions that are utilized.
总之,在DataStage上下文中,平行处理是一个作业的内部特征,该作业通过被利用的数据或处理分区的数量来测量。
You can use the rmlvcopy command to remove copies of logical partitions of a logical volume. To reduce the number of copies of each logical partition belonging to logical volume testlv, enter
可以使用rmlvcopy命令删除逻辑卷的逻辑分区拷贝。
This enables you to choose a large enough number of partitions such that each server node can readily handle the load on each partition.
这使您能选择足够多的分区数量,以便每个服务器节点都能稳定地处理每个分区上的负载。
So now, after making the changes to add the same number of logical partitions to test environment, the test should look like the original production setup, shown in the table below.
因此现在在进行修改向测试环境添加相同数目的逻辑分区之后,测试环境看上去将像原始的生产设置了,如下表所示。
Although the theoretical maximum number of partitions on an IDE drive is now limited to 15 for kernels with hotplug, you may or may not be able to create the last few.
尽管理论上支持热插拔的内核的IDE驱动器分区数量理论上最多为15个,但您也许能创建最后几个,也可能无法创建最后几个。
The total number of partitions that can be created depends on the system processor model and resources available.
可以创建的分区的总数依赖于系统处理器模型和可用的资源。
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