https://community.checkpoint.com/t5/Firewall-and-Security-Management/High-CPU-usage-on-VSNext-solved/m-p/272526#M103810 <P>Curious what caused that to occur, since I believe it's enabled by default.</P> Wed, 04 Mar 2026 22:15:36 GMT PhoneBoy 2026-03-04T22:15:36Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/High-CPU-usage-on-VSNext-solved/m-p/272515#M103809 <P>Sharing in case it can be of use to anyone.</P> <P>We installed a new ElasticXL/VSNext environment based on 9000 appliances, R82 T60.</P> <P>First-time wizard, joining the cluster, creating VS/Interfaces/VSW, attaching them to VS, all good.</P> <P>We then noticed frequent disconnections from the WebUI, switching between contexts in CLI is slow and so on.</P> <P>CPView showed non-SND CPU were almost constantly at 100%, even with minimal traffic as production was gradually routed through the new VS's.</P> <P>Further investigation showed that one of the nodes had <A href="https://support.checkpoint.com/results/sk/sk164155" target="_blank" rel="noopener">CoreXL Dynamic Balancing</A> disabled.</P> <P>We enabled it in Local Clish, rebooted that member and after it was back in Active mode, CPU usage was back to normal ranges.</P> Wed, 04 Mar 2026 15:09:21 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/High-CPU-usage-on-VSNext-solved/m-p/272515#M103809 Alex- 2026-03-04T15:09:21Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/High-CPU-usage-on-VSNext-solved/m-p/272526#M103810 <P>Curious what caused that to occur, since I believe it's enabled by default.</P> Wed, 04 Mar 2026 22:15:36 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/High-CPU-usage-on-VSNext-solved/m-p/272526#M103810 PhoneBoy 2026-03-04T22:15:36Z