15.2. Instance-Level Shared Memory

When you start a DB2 instance using the db2start command, DB2 allocates the instance-level shared memory for the instance, and this remains allocated until you stop the instance using the db2stop command. The instance-level shared memory for the instance is shown in the top left corner of Figure 15.2. DB2 uses this memory to manage and coordinate database and agent activity for all applications running against all databases in the instance.

Figure 15.2. Instance-level shared memory
[View full size image]

In a nonpartitioned DB2 instance, this memory contains information used by:

  • The Snapshot and Event Monitors ...

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