We have Oracle database running on a 64-bit Windows Server 2003 Enterprise Edition, with 32GB RAM.
The database has been configured to use 10gb for SGA (target = max = 10GB) and 5GB for cache. Upon startup, the task manager would show around 12GB of free memory. On this server, the only application running is the database. During the day, we would see the free memory gone all the way down to 4MB.
We would like to find out what application is eating up the free memory. The memory usage does not add up on the task manager nor on perfmon. We suspect some process is taking up the free memory and not releasing it. How do we proceed?
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