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Ingres Memory Pre-Allocation (CA MDB r1.0.4)

To create an MDB, Ingres pre-allocates most of the resources that it requires. The Management Database often uses hundreds of megabytes of virtual memory and several hundred thousand handles. The exact amount of resources depends upon the number and sizes of the page caches used. The default (medium) MDB configuration uses approximately one (1) gigabyte of virtual memory and under Microsoft Windows 350,000 to 500,000 handles.