在默认情况下，系统并不为大页面物理内存池分配任何内存。
By default, the system does not allocate any memory to the large page physical memory pool.
然后使用WRKSYSSTS命令保证为这个内存池分配足够多的空间。
Then, use the WRKSYSSTS command to make sure that an ample amount of memory is allocated to that pool.
如果已分配的内存不能帮助提高性能，那么请避免给缓冲池分配过多的内存。
Avoid overallocating memory to buffer pools if the memory allocated cannot help performance.
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