• The BIND DNS server has already been deprecated and removed from Plesk for Windows.
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  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

Question Prioritise resources to one subscription

yashc

New Pleskian
Server operating system version
Almalinux 8
Plesk version and microupdate number
Plesk Obsidian Web Pro Edition 18.0.64 Update #1
Hello All,
I am new to plesk and managing a VPS. so do not fully understand how resources are shared amount websites.
We have a VPS (8 core 32gb) with few subscriptions. One subscription (say A) has 2-3 websites (much higher data processing requirement, databases around 1.8GB ) under it and other subscription (say B) has about one website with 12-15 subdomains (lighter data processing and storage requirement, smaller databases 100-400mb).
Initially when after VPS was setup only A was there and websites under it were performing really well. but as we added B and so many subdomains there (although having lighter load) performance dropped for A (more than 60-70% for longer operations).
As of stats CPU usage never goes above 25%, plenty of free ram , data usage very rarely touches 70% usually within 10-20% lower. Yet performance has dropped for all.

I was hoping plesk could handle this issue through setting limits to CPU, RAM and DISK.
So now after installing Cgroups component I have set subsc B to have 30% cpu limit, disk to 100mb/s.
But still there is no performance improvement for subscription A.
Is because of number of files or something else?

Any suggestions are welcome !
 
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