Now instead of moving/copying big blocks of data, we are just manipulating pointers into an existing block.

现在不用移动和拷贝大的数据块操作，我们只是操作指针进入到一个存在的块内。

youdao

An example of an application that does not work well in a simple cloud environment is a shared database, such as the typical Oracle database application, where the information is one big block of data that needs to be manipulated all the time by many computing processes and where access to the shared data needs to be synchronized and managed.

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