Shared-Memory Use

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Shared-Memory Use

The database server uses shared memory for the following purposes:

To enable virtual processors and utilities to share data
To provide a fast communications channel for local client applications that use IPC communication

Figure 25 illustrates the shared-memory scheme.

Figure 25. How the Database Server Uses Shared Memory

begin figure description - This figure shows Virtual Processor A and Virtual Processor B using shared memory to share data. Both virtual processors have memory space for program text and private data and memory space that is not allocated. - end figure description

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