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Posted to commits@cloudstack.apache.org by "rajujith (via GitHub)" <gi...@apache.org> on 2025/11/27 07:14:48 UTC
Re: [I] High load on management server due to stale KVM agent [cloudstack]
rajujith commented on issue #8517:
URL: https://github.com/apache/cloudstack/issues/8517#issuecomment-3584482977
This appears to be resurfaced based on my tests in 4.20.2. I followed the same steps in the description, and the issue was observed.
```
[root@ref-trl-6125-k-Mr9-jithin-raju-mgmt1 ~]# top -H -p 31231
top - 07:02:17 up 1:42, 1 user, load average: 502.84, 413.21, 298.37
Threads: 1718 total, 765 running, 953 sleeping, 0 stopped, 0 zombie
%Cpu(s): 36.5 us, 62.9 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.5 hi, 0.2 si, 0.0 st
MiB Mem : 3647.9 total, 164.8 free, 2763.9 used, 963.2 buff/cache
MiB Swap: 2048.0 total, 1866.1 free, 181.9 used. 883.9 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
33086 cloud 20 0 6559136 1.2g 23600 R 1.0 34.8 0:06.49 AgentManager-SS
31233 cloud 20 0 6559136 1.2g 23600 S 0.6 34.8 0:06.11 GC Thread#0
31246 cloud 20 0 6559136 1.2g 23600 S 0.6 34.8 0:06.10 GC Thread#1
32886 cloud 20 0 6559136 1.2g 23600 R 0.6 34.8 0:11.60 AgentManager-SS
32887 cloud 20 0 6559136 1.2g 23600 R 0.6 34.8 0:07.86 AgentManager-SS
32923 cloud 20 0 6559136 1.2g 23600 R 0.6 34.8 0:07.31 AgentManager-SS
32989 cloud 20 0 6559136 1.2g 23600 R 0.6 34.8 0:06.56 AgentManager-SS
```
```
top - 07:13:23 up 1:53, 1 user, load average: 185.76, 273.26, 279.84
Tasks: 174 total, 1 running, 173 sleeping, 0 stopped, 0 zombie
%Cpu0 : 50.7 us, 48.7 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.3 hi, 0.3 si, 0.0 st
%Cpu1 : 52.5 us, 46.8 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.7 hi, 0.0 si, 0.0 st
MiB Mem : 3647.9 total, 214.9 free, 2708.2 used, 968.2 buff/cache
MiB Swap: 2048.0 total, 1866.6 free, 181.4 used. 939.7 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
31231 cloud 20 0 5875884 1.3g 23664 S 196.2 36.4 80:28.26 java
```
```
2025-11-27 07:13:49,097 ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-46:[]) (logid:) SSL error caught during unwrap data: Received fatal alert: certificate_unknown, for local address=/10.1.34.116:8250, remote address=/10.1.32.118:51200. The client may have invalid ca-certificates.
2025-11-27 07:13:49,117 ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-289:[]) (logid:) SSL error caught during unwrap data: Received fatal alert: certificate_unknown, for local address=/10.1.34.116:8250, remote address=/10.1.32.118:49778. The client may have invalid ca-certificates.
2025-11-27 07:13:49,201 WARN [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-925:[]) (logid:) This SSL engine was forced to close inbound due to end of stream. javax.net.ssl.SSLException: closing inbound before receiving peer's close_notify
at java.base/sun.security.ssl.SSLEngineImpl.closeInbound(SSLEngineImpl.java:794)
at com.cloud.utils.nio.Link.doHandshakeUnwrap(Link.java:492)
```
@weizhouapache @sureshanaparti
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