本实验实现内存空间的分配与回收。
Experimental realization of the memory space allocation and recycling.
操作系统内存管理的主要问题是存储空间的分配和回收。
The main problems in the memory management of operating system are the distribution and recovery of the storage space.
这确保将分页空间的分配延迟到必须调出页面的时候，从而确保不会浪费分页空间。
This works by making sure that the allocation of paging space is delayed until the time that it is necessary to page out the page, which ensures that there is no wasted paging space.
以高可靠、高性能为目标，完成数据平台存储体系的设计和数据库物理空间的分配。
Third, aimed with high reliability and high performance, designing and implementing data storage system to realize database physical space allocation.
ext4使用区段取代ext3的机制，从而改善了空间的分配，并且支持更加高效的存储结构。
Ext4 replaces ext3's mechanism with extents to improve allocation and support a more efficient storage structure.
G1通过有效的压缩完全避免了对细微空闲内存空间的分配，这不仅大大简化了收集器，而且还消除了潜在的碎片问题。
G1 compacts sufficiently to completely avoid the use of fine-grain free lists for allocation, which considerably simplifies parts of the collector and mostly eliminates potential fragmentation issues.
建筑师、城市规划者，以及其他各种形式缔造者都被认为是有足够的能力进行空间的分配，却没有任何职业的组织负责设计时间世界。
Architects, city planers, and other form makers are acknowledged to be competent in making space allocations, but there is no single group of professionals responsible for designing time-worlds.
在新的城市和小镇，由于其空间的限制，那里的居民必须要知道确切的时间且安排好时间，以组织集体活动和分配空间。
The new cities and towns, squeezed by their walls, had to know and order time in order to organize collective activity and ration space.
使用一个称为分页空间预分配的过程，通过将段划分为页面，可以完成这项任务。
It does this by using a process called early allocation of paging space, by partitioning segments into pages.
从这些成组的照片中，她决定如何分配相册的空间，并削减以适合相册。
From those groups, she decided how much space to allocate in the album, and pared down to fit.
这种特性只能用于缺省的延迟页面空间分配策略。
This feature is only available for the default deferred page space allocation policy.
这也包括分配空间存储结果的函数。
This includes functions that allocate space to store a result.
区块为管理员提供一个很大的磁盘空间分配单元。
Chunks provide administrators with a significantly large unit for allocating disk space.
在这个部分中，我介绍了AIX如何处理分页，给出了交换和分页的定义，并深入地研究了分页空间分配的几种不同模式。
In this section, I provide an overview of how AIX handles paging, define swapping and paging, and drill down into the different modes of paging space allocation.
配置文件定义平行作业中使用的已分配处理和磁盘空间所在的节点。
A configuration file defines nodes where processing and disk space is allocated for use in a parallel job.
晚分页空间分配策略会直到RAM中的页面被修改时才分配相应的分页磁盘块。
Late paging space allocation causes paging disk blocks not to be allocated until its corresponding pages in RAM are touched.
可以通过延迟的分页空间分配策略以多种可配置的方式执行垃圾收集。
Garbage collection works in a number of configurable ways through the deferred page space allocation policy.
请注意，只显示了节省的时间，但是在临时分配的堆空间上的节省也非常巨大。
Note that only time savings are shown, but the savings to temporarily allocated heap space are much larger.
如果共享内存分区使用冗余的分页VIOS分区，那么会分配共用的分页空间设备。
If the Shared memory partition has been configured to use redundant paging VIOS partitions, a common paging space device will be assigned.
让我们来看看AIX是如何处理分页空间分配的(请参见清单2)。
Let's view how AIX is currently handling paging space allocation (see Listing 2).
我们的函数会分配一些附加的空间，以容纳那些属性。
Our function allocates some additional space to accommodate for those attributes.
您必须为每个堆栈分配空间并将合适的值移到此空间。
You have to allocate space for each stack and move the appropriate values to that space.
如果没有足够的未分配空间，可以通过缩小或删除现有分区来创建这部分空间。
If you do not have sufficient unallocated disk space, you can create space by shrinking or deleting some existing volumes.
如果阵列的最大可能大小被视为太大，则DB 2只分配足够的空间来存放初始值，并可能分配额外空间来允许一些增长。
If the maximum possible size of the array is deemed too big, DB2 only allocates enough space to hold the initial value, and possibly extra space to allow for some growth.
AIX的缺省策略是延迟的页面空间分配。
The default policy of AIX is deferred page space allocation.
请注意，反映每个日志文件的大小主要是预先分配的空间，一些日志头控制字符除外。
Note that the size reflected for each log file is mostly pre-allocated space except for some log header control characters.
到目前为止，我们只是在根据大小来了解堆在地址空间中的分配情况。
So far, you've located the heap within the address space, based only on its size.
AIX7提供三种不同的分页空间分配模式：延迟的分页空间分配、晚分页空间分配和早分页空间分配。
AIX 7 provides three different modes of paging space allocation: deferred page space allocation, late page space allocation, and early page space allocation.
它们在其内部数组的末尾分配额外的空间，以便有效地附加字符。
Recall that they allocate extra space at the end of their internal array to allow for efficient appending.
它们在其内部数组的末尾分配额外的空间，以便有效地附加字符。
Recall that they allocate extra space at the end of their internal array to allow for efficient appending.
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