instance caging – a sample

Instance caging was introduced in 11.2 and desinged to limit the cpu-usage of an instance.

This makes sence when you run several instances on one machine.

In the past, while one instance makes trouble in cpu usage, all others instance got problems as well 😦

Instance caging based on the oracle resource manager.

It makes no sense to throttle a instance permanent down – the system should be well balanced and this feature should be an emergency button.

here’s an example:

init.ora – parameters

here some issues regarding init.ora parameters

show hidden parameters: