GitHub user TadiosAbebe added a comment to the discussion: Degraded cloudstack agent
> thanks for the information [@bradh352](https://github.com/bradh352) > [@TadiosAbebe](https://github.com/TadiosAbebe) > [@jgotteswinter](https://github.com/jgotteswinter) > > I suspected it is due to that all libvirt operations use the same instance of > `LibvirtConnection`. a libvirt operation might delay other libvirt > operations. we could introduce a thread pool of `LibvirtConnection` if it > supports concurrent operations. > > however, I do not know why the issue became very often in recent releases. > can everyone share the below ? > > * global configurations (`cmk list configurations filter=id,name,value > keyword=stats.interval`) > * java version of kvm host (`java --version`) > * OS distribution of kvm host (`cat /etc/os-release`) > * libvirt and qemu version of kvm host (`virsh version`) > * Approx. number of VMs on kvm host ``` () 🐱 > list configurations filter=id,name,value keyword=stats.interval { "configuration": [ { "name": "autoscale.stats.interval", "value": "60" }, { "name": "cluster.heartbeat.threshold", "value": "150000" }, { "name": "database.server.stats.interval", "value": "60" }, { "name": "database.server.stats.retention", "value": "3" }, { "name": "direct.network.stats.interval", "value": "86400" }, { "name": "external.network.stats.interval", "value": "300" }, { "name": "host.stats.interval", "value": "60000" }, { "name": "management.server.stats.interval", "value": "60" }, { "name": "router.stats.interval", "value": "300" }, { "name": "storage.stats.interval", "value": "60000" }, { "name": "storpool.storage.stats.interval", "value": "3600" }, { "name": "storpool.volumes.stats.interval", "value": "3600" }, { "name": "vm.disk.stats.interval", "value": "0" }, { "name": "vm.disk.stats.interval.min", "value": "300" }, { "name": "vm.network.stats.interval", "value": "0" }, { "name": "vm.network.stats.interval.min", "value": "300" }, { "name": "vm.stats.interval", "value": "60000" }, { "name": "volume.stats.interval", "value": "600000" } ], "count": 18 } ``` ``` root@host1:/home/zgadmin# java --version openjdk 17.0.16 2025-07-15 OpenJDK Runtime Environment (build 17.0.16+8-Ubuntu-0ubuntu124.04.1) OpenJDK 64-Bit Server VM (build 17.0.16+8-Ubuntu-0ubuntu124.04.1, mixed mode, sharing) ``` ``` root@host1:/home/zgadmin# cat /etc/os-release PRETTY_NAME="Ubuntu 24.04.2 LTS" NAME="Ubuntu" VERSION_ID="24.04" VERSION="24.04.2 LTS (Noble Numbat)" VERSION_CODENAME=noble ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=noble LOGO=ubuntu-logo ``` ``` root@host1:/home/zgadmin# virsh version Compiled against library: libvirt 10.0.0 Using library: libvirt 10.0.0 Using API: QEMU 10.0.0 Running hypervisor: QEMU 8.2.2 ``` ``` Approx. number of VMs per kVM host is in beteen 8 to 10 for me. ``` GitHub link: https://github.com/apache/cloudstack/discussions/12450#discussioncomment-15515831 ---- This is an automatically sent email for [email protected]. To unsubscribe, please send an email to: [email protected]
