GitHub user shwstppr added a comment to the discussion: Degraded cloudstack
agent
thanks @jgotteswinter cc @weizhouapache
I did take a quick look at the thread dump you shared. I'm seeing some
hot/suspected threads (Roughly 2.1% of one core on average over the entire
uptime),
```
"AgentOutRequest-Handler-2" #88 prio=5 os_prio=0 cpu=20647388.02ms
elapsed=949378.81s tid=0x00007cc18814b210 nid=0xe5e2d runnable
[0x00007cc0131f0000]
java.lang.Thread.State: RUNNABLE
at com.sun.jna.Native.invokePointer(Native Method)
at com.sun.jna.Function.invokePointer(Function.java:497)
at com.sun.jna.Function.invoke(Function.java:441)
at com.sun.jna.Function.invoke(Function.java:361)
at com.sun.jna.Library$Handler.invoke(Library.java:265)
at jdk.proxy2.$Proxy17.virConnectGetHostname(jdk.proxy2/Unknown Source)
at org.libvirt.Connect.getHostName(Unknown Source)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.getHostVmStateReport(LibvirtComputingResource.java:4050)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.getHostVmStateReport(LibvirtComputingResource.java:4005)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.getCurrentStatus(LibvirtComputingResource.java:3703)
at com.cloud.agent.Agent.processOtherTask(Agent.java:984)
at com.cloud.agent.Agent$ServerHandler.doTask(Agent.java:1234)
at com.cloud.utils.nio.Task.call(Task.java:83)
at com.cloud.utils.nio.Task.call(Task.java:29)
at
java.util.concurrent.FutureTask.run([email protected]/FutureTask.java:264)
at
java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1136)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
at java.lang.Thread.run([email protected]/Thread.java:840)
```
Could it be something related to libvirt 10.0.0? (Because I've a running env
for many days with libvirt 8.0 and I don't see this there. Though it is also
OL8 host). Maybe if others experiencing this issue can share the libvirt
version to get some idea
GitHub link:
https://github.com/apache/cloudstack/discussions/12450#discussioncomment-15515829
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