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AOS barely being used

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Posted on by klsnyder

Good Morning,

My aosclient and aosbatch severs never go above 5% cpu usage and use very little ram even during peak operation hours with all users online. I started digging and found that when the system was implemented the "cache limits" in server configuration area were set to default values and haven't been touched since then. Can I safely increase these values to scale up performance since my aos servers are being under-utilized? Also any recommended values to set these at?

I have dedicated the following resources to the aos VM's and have lots more I can allocate.

8 cores - "can assign lots more if needed"

40gb of ram - "can assign lots more if needed"

150 gb of disk space - "can assign lots more if needed"

Thank you,

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nmaenpaa 101,156 Moderator on at

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RE: AOS barely being used

Are you experiencing some performance issues in the system? If not, then I don't see any issue. And if you are, it might be that the bottleneck is somewhere else (usually database disk performance) so the AOS has to wait for database operations to complete.

The AOS actually scales out better than up, so it's better to have many nodes than 1 node with huge amount of CPU and RAM.

As Gunjan mentioned, you should always have at least 2 AOS nodes in your prod system for better availability.
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Gunjan Bhattachayya 35,421 on at

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RE: AOS barely being used

Hi,

I don't think there are any recommended values. The entire configuration is normally dependent on the number of users logging in and the number of processes running which consume a lot resources. Since your AOS is underutilized at the moment, I don't think you need to alter anything in the server configuration.

It would, however, be a better idea to spin up another AOS server, just in case this one goes down for some reason. Another good practice might be to run the batch sever on a different AOS (if you have a lot of batch processes running daily)_.