这表示所有的虚拟机都驻留在同一个操作系统的地址空间中并且并行运行。
This means, all the VMs live in the same OS address space and run in parallel.
因为中间件实例是不同的，所以每个租户有自己的操作系统进程(地址空间)。
Since the middleware instance is different, each tenant is allocated its own set of operating system processes (i.e. address space).
在其他平台上，需要使用操作系统决定的虚拟地址空间大小。
On other platforms, you need to use the operating system imposed virtual address space size.
捕获的CPU时间是操作系统能可靠地用于一个特定的地址空间的 CPU 被占时间。
Captured CPU time is the CPU busy time that the operating system can reliably attribute to a given address space.
操作系统通过一个内部表将处理器地址空间中的内存段映射到内存页，该表定义哪些内存段由哪些处理器所拥有，等等。
Operating systems map memory segments in a processes' address space to memory pages through an internal table which defines what memory segments are owned by what processes, and so on.
由于各种各样的原因，大多数现代操作系统都是在虚拟地址空间中运行程序的。
For a variety of reasons, most modern operating systems run programs in virtual address space.
Linux内核占据了一个单一的地址空间，这意味着内核或任何驱动程序的故障都会导致整个操作系统的崩溃。
The Linux kernel occupies a single address space, which means that a failure of the kernel or any driver results in the entire operating system crashing.
每个操作系统进程占用自己的虚拟地址空间，即一组可以读写的虚拟内存页。
Each operating-system process is allocated its own virtual address space — a set of virtual-memory pages that it can read from and write to. Each page can be in one of three states.
在进程地址空间大于物理内存的系统中，内存泄漏或本机内存过度使用会迫使操作系统提供一些虚拟地址空间。
When running on a system with more process address space than physical memory, a memory leak or excessive use of native memory will force the OS to swap out some of the virtual address space.
每个客户操作系统都有自己的地址空间，并且是在实例化客户操作系统时映射的。
Each guest operating system has its own address space that is mapped when the guest is instantiated.
因为虚拟地址一旦投入使用，所有在计算机中运行的软件都会占用虚拟地址空间，包括操作系统内核自身。
Once virtual addresses are enabled, they apply to all software running in the machine, including the kernel itself.
与其他操作系统一样(比如Windows和Linux)，地址空间分为多个部分，程序只能使用其中的一些部分；其余部分供操作系统使用。
As with other OSs (such as Windows and Linux) the address space is divided up into sections, only some of which are available for a program to use; the OS USES the rest.
也就是说，操作系统内核将保留一部分虚拟地址空间。
Thus a portion of the virtual address space must be reserved to the kernel.
也就是说，操作系统内核将保留一部分虚拟地址空间。
Thus a portion of the virtual address space must be reserved to the kernel.
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