Comments (5)
MattPOlson
commented on June 30, 2024
We re-deployed the cluster with version 4.10.0-0.okd-2022-07-09-073606 on the same hardware and the issue went away. There is clearly an issue with 4.11 and above. Benchmark results are below:
=========================================================
Benchmark Results
=========================================================
Name : knb-17886
Date : 2023-04-10 19:46:01 UTC
Generator : knb
Version : 1.5.0
Server : k8s-se-platform-01-t4fb6-worker-vw2d9
Client : k8s-se-platform-01-t4fb6-worker-jk2wm
UDP Socket size : auto
=========================================================
Discovered CPU : Intel(R) Xeon(R) Gold 6334 CPU @ 3.60GHz
Discovered Kernel : 5.18.5-100.fc35.x86_64
Discovered k8s version : v1.23.5-rc.0.2076+8cfebb1ce4a59f-dirty
Discovered MTU : 1400
Idle :
bandwidth = 0 Mbit/s
client cpu = total 4.06% (user 2.17%, nice 0.00%, system 1.82%, iowait 0.07%, steal 0.00%)
server cpu = total 2.96% (user 1.48%, nice 0.00%, system 1.48%, iowait 0.00%, steal 0.00%)
client ram = 925 MB
server ram = 1198 MB
Pod to pod :
TCP :
bandwidth = 8348 Mbit/s
client cpu = total 26.07% (user 1.78%, nice 0.00%, system 24.27%, iowait 0.02%, steal 0.00%)
server cpu = total 26.59% (user 1.94%, nice 0.00%, system 24.63%, iowait 0.02%, steal 0.00%)
client ram = 930 MB
server ram = 1196 MB
UDP :
bandwidth = 1666 Mbit/s
client cpu = total 19.21% (user 2.14%, nice 0.00%, system 17.02%, iowait 0.05%, steal 0.00%)
server cpu = total 22.51% (user 2.91%, nice 0.00%, system 19.55%, iowait 0.05%, steal 0.00%)
client ram = 924 MB
server ram = 1201 MB
Pod to Service :
TCP :
bandwidth = 8274 Mbit/s
client cpu = total 26.55% (user 1.78%, nice 0.00%, system 24.77%, iowait 0.00%, steal 0.00%)
server cpu = total 26.37% (user 2.67%, nice 0.00%, system 23.68%, iowait 0.02%, steal 0.00%)
client ram = 922 MB
server ram = 1191 MB
UDP :
bandwidth = 1635 Mbit/s
client cpu = total 20.19% (user 1.60%, nice 0.00%, system 18.54%, iowait 0.05%, steal 0.00%)
server cpu = total 21.80% (user 2.82%, nice 0.00%, system 18.98%, iowait 0.00%, steal 0.00%)
client ram = 913 MB
server ram = 1179 MB
=========================================================
=========================================================
qperf
======================================================
/ # qperf 10.130.2.15 tcp_bw tcp_lat
tcp_bw:
bw = 907 MB/sec
tcp_lat:
latency = 70.6 us
/ # qperf 10.130.2.15 tcp_bw tcp_lat
tcp_bw:
bw = 1 GB/sec
tcp_lat:
latency = 68.2 us
===
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openshift-bot
commented on June 30, 2024
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openshift-bot
commented on June 30, 2024
Stale issues rot after 30d of inactivity.
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/lifecycle rotten
/remove-lifecycle stale
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openshift-bot
commented on June 30, 2024
Rotten issues close after 30d of inactivity.
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openshift-ci
commented on June 30, 2024
@openshift-bot: Closing this issue.
In response to this:
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