How high to set the process parameters (what constitutes a reasonable limit)

I have a database which has hundreds of connections, reaching sometimes 1 700 dedicated connections... The setting process is about 2,500, so we should be fine for now. We are Linux, and I believe, that there is a limit of 16,000.

For me the 2,500 seems excessive, and they want to know why we cannot put much higher (as the 10 000)... What is the cost of the very high the process configuration?

How much memory an idle process take? I know semaphores need must be distributed, but is there an overpass at those too? I'm old-fasioned into thinking that anything above 1 000 / Server is one too many.

I'd be interested in what other people think is a 'reasonable', or is - limit this really dependent on the hardware?

My experience with 10.2.0.4 on 64-bit RHEL5 is 6100 in the process boundary. Sessions, transactions, and DML locks are derived arithmetically processes.
I updated processes 6000 in many cases without apparent effect adversely on OS resources. There are many other factors involved in the present.
I recommend watching the avg_val and max_val % of the limit of process and system measures % limit Session (v$ sysmetric_summary covers the most recent snapshot) to see if you really hit your ceiling process.

Tags: Database

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