
490 6.3 Monitoring Exchange 2003 Performance
cache size indicates how much system memory can be used for database
operations. I would say that for a standalone server, the cache size should
be more than half of the physical memory. Presented differently, you will
know that your database cache size has grown to a maximum if the num-
ber of available bytes from the memory object is low (less than 10 MB).
For high-end Exchange 2003 SP2 servers with 4 GB or more of RAM, the
maximum database cache is approximately 900 MB (that is, 900 MB of
the Information Store virtual address space are mapped directly into phys-
ical memory, and contain previously used ...