尽管这个命令提供一些有价值的信息，但是除非有可信的管理员已经诊断出系统中存在某种内存问题，否则我们通常不会首先使用这个命令。
While this command provides useful information, we don't usually start with this unless a trusted administrator has already diagnosed that there is a memory issue of some kind on the system.
此外，您还会摸索出一些有价值的技巧，这些技巧不仅有助于节约项目的成本，而且使您能够领悟到在以后的项目中应该避免哪些编码方式来预防内存漏洞。
In addition, you'll gain some valuable skills that may not only save a programming project, but also provide insight as to what coding practices to avoid to prevent memory leaks in future projects.
限制：DB2发出的任何创建大于shmmax值(这里是2gb)的数据库共享内存集的请求都将失败，并返回一个out of memory type错误。
Limit: Any request by DB2 to create a database share memory set which is larger then the shmmax value (2gb in this case) will fail with an out of memory type error.
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