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TechnitiumSoftware / DnsServer

Technitium DNS Server
https://technitium.com/dns/
GNU General Public License v3.0
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After version update from 11.0.2 > 11.2 #662

Closed drksbr closed 1 year ago

drksbr commented 1 year ago

After the version update from 11.0.2 > 11.2 we had a huge drop in the performance of the service. Along with the drop in performance, we noticed that the CPU usage of the machines doubled the load and sometimes reached 100% in a box with 4 cores, something that did not happen in the previous version where the maximum was 35% CPU.

drksbr commented 1 year ago

Is there any way to downgrade?

Hemsby commented 1 year ago

You may need to give more information like OS and version.

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From: drksbr @.> Sent: Wednesday, June 14, 2023 6:58:22 PM To: TechnitiumSoftware/DnsServer @.> Cc: Subscribed @.***> Subject: [TechnitiumSoftware/DnsServer] After version update from 11.0.2 > 11.2 (Issue #662)

After the version update from 11.0.2 > 11.2 we had a huge drop in the performance of the service. Along with the drop in performance, we noticed that the CPU usage of the machines doubled the load and sometimes reached 100% in a box with 4 cores, something that did not happen in the previous version where the maximum was 35% CPU.

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ShreyasZare commented 1 year ago

Thanks for the feedback. There was no major change between both these versions so there should not be such issue. Are you running the DNS server as authoritative (hosting domains) or as a recursive resolver? What is your OS and server config? How much traffic you usually have on the server?