---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46356 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-7 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 1.8M 3.2G 1% /run /dev/vda1 155G 15G 141G 10% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 3.2G 0 3.2G 0% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a04cf7fef8339418d840d512f04b6ed9fccf0a230de22841c016d8b140b65f50/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/770a838d757800b59514c32b663edf4103f274c12a8630afd046187e14b6491f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/48d42d6191556dee4b9c6ac2be46ae52b6a03935136cbda51362411660aae30f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ecc93263500d95e668e4b32268ed2243e33c9ec9893d9638a990a445ad06d695/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6d97182a1bf9f082a3ed436a6e44b76d0df60636f35a84a7b2f6c8818d748f02/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1605 24043 1 6518 30105 Swap: 0 0 0 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:39:78:ab brd ff:ff:ff:ff:ff:ff inet 10.30.107.64/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86082sec preferred_lft 86082sec inet6 fe80::f816:3eff:fe39:78ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1e:ef:54:cc brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:1eff:feef:54cc/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 22:25:6b:d2:e9:65 brd ff:ff:ff:ff:ff:ff inet 10.42.0.0/32 scope global flannel.1 valid_lft forever preferred_lft forever inet6 fe80::2025:6bff:fed2:e965/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ba:2f:c0:80:b6:f6 brd ff:ff:ff:ff:ff:ff inet 10.42.0.1/24 brd 10.42.0.255 scope global cni0 valid_lft forever preferred_lft forever inet6 fe80::b82f:c0ff:fe80:b6f6/64 scope link valid_lft forever preferred_lft forever 7: veth695c752f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:68:67:7f:c3:68 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::1068:67ff:fe7f:c368/64 scope link valid_lft forever preferred_lft forever 8: vethd3521950@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f6:79:de:7e:d5:e3 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f479:deff:fe7e:d5e3/64 scope link valid_lft forever preferred_lft forever 9: veth4fe3c395@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c2:89:17:3c:c9:24 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c089:17ff:fe3c:c924/64 scope link valid_lft forever preferred_lft forever 13: veth82a57640@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 6a:3b:39:a1:ce:09 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::683b:39ff:fea1:ce09/64 scope link valid_lft forever preferred_lft forever 14: vethb4ca4853@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:bb:de:e4:be:70 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::4cbb:deff:fee4:be70/64 scope link valid_lft forever preferred_lft forever 19: br-41369f4f6a67: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:9e:8d:b8:76 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-41369f4f6a67 valid_lft forever preferred_lft forever inet6 fe80::42:9eff:fe8d:b876/64 scope link valid_lft forever preferred_lft forever 23: veth970aa14@if22: mtu 1500 qdisc noqueue master br-41369f4f6a67 state UP group default link/ether 2a:be:66:1a:1c:d9 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::28be:66ff:fe1a:1cd9/64 scope link valid_lft forever preferred_lft forever 25: vethc6abe1e@if24: mtu 1500 qdisc noqueue master br-41369f4f6a67 state UP group default link/ether aa:4b:75:96:32:1a brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::a84b:75ff:fe96:321a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46356) 09/17/25 _x86_64_ (8 CPU) 05:42:00 LINUX RESTART (8 CPU) 05:43:03 tps rtps wtps bread/s bwrtn/s 05:44:01 465.35 43.91 421.44 2288.57 95532.36 05:45:01 175.25 3.22 172.04 431.39 84916.38 05:46:01 149.88 20.50 129.38 794.67 66368.94 05:47:01 124.80 0.67 124.13 77.05 19175.34 Average: 226.83 16.85 209.99 886.24 66254.31 05:43:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:44:01 25210480 30380256 7728740 23.46 129600 5108816 3757364 11.41 3158784 3953908 867616 05:45:01 26451212 31068904 6488008 19.70 131764 4691540 2571240 7.81 2224432 3771676 80 05:46:01 24995392 30870788 7943828 24.12 141732 5884844 3848916 11.68 2602092 4783032 32588 05:47:01 24625156 30822584 8314064 25.24 149048 6162028 3912272 11.88 2666568 5048464 121464 Average: 25320560 30785633 7618660 23.13 138036 5461807 3522448 10.69 2662969 4389270 255437 05:43:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:44:01 lo 254.32 254.32 287.12 287.12 0.00 0.00 0.00 0.00 05:44:01 veth82a57640 0.16 0.52 0.01 0.04 0.00 0.00 0.00 0.00 05:44:01 vethd3521950 6.71 9.02 2.62 3.11 0.00 0.00 0.00 0.00 05:44:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 lo 13.95 13.95 4.18 4.18 0.00 0.00 0.00 0.00 05:45:01 veth82a57640 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:45:01 vethd3521950 6.87 7.93 2.63 1.62 0.00 0.00 0.00 0.00 05:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 lo 16.40 16.40 4.54 4.54 0.00 0.00 0.00 0.00 05:46:01 veth82a57640 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:46:01 vethd3521950 7.25 8.35 2.78 1.70 0.00 0.00 0.00 0.00 05:46:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 lo 14.23 14.23 4.28 4.28 0.00 0.00 0.00 0.00 05:47:01 veth82a57640 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 vethd3521950 7.23 8.25 2.78 1.69 0.00 0.00 0.00 0.00 05:47:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 73.21 73.21 73.25 73.25 0.00 0.00 0.00 0.00 Average: veth82a57640 0.05 0.17 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethd3521950 7.02 8.38 2.70 2.02 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46356) 09/17/25 _x86_64_ (8 CPU) 05:42:00 LINUX RESTART (8 CPU) 05:43:03 CPU %user %nice %system %iowait %steal %idle 05:44:01 all 41.45 0.00 8.15 2.82 0.12 47.46 05:44:01 0 42.27 0.00 8.14 1.12 0.12 48.35 05:44:01 1 42.04 0.00 8.61 6.48 0.12 42.75 05:44:01 2 40.34 0.00 8.92 3.47 0.12 47.14 05:44:01 3 40.99 0.00 7.71 2.10 0.10 49.10 05:44:01 4 40.86 0.00 7.77 3.11 0.12 48.14 05:44:01 5 41.90 0.00 8.00 1.93 0.11 48.07 05:44:01 6 40.95 0.00 8.01 2.21 0.11 48.73 05:44:01 7 42.24 0.00 8.01 2.21 0.12 47.41 05:45:01 all 33.05 0.21 5.07 1.20 0.09 60.39 05:45:01 0 32.90 0.00 4.80 0.54 0.08 61.68 05:45:01 1 33.23 0.00 5.15 1.97 0.08 59.58 05:45:01 2 30.54 0.00 5.60 2.07 0.07 61.73 05:45:01 3 32.21 0.00 4.79 1.29 0.10 61.61 05:45:01 4 32.58 0.00 4.53 1.53 0.10 61.25 05:45:01 5 34.01 0.00 5.21 0.99 0.08 59.71 05:45:01 6 32.95 0.00 5.34 0.93 0.10 60.68 05:45:01 7 35.98 1.65 5.16 0.22 0.10 56.90 05:46:01 all 7.65 0.00 3.07 1.25 0.08 87.95 05:46:01 0 7.90 0.00 2.84 0.89 0.08 88.29 05:46:01 1 6.45 0.00 2.69 0.30 0.08 90.47 05:46:01 2 6.80 0.00 2.78 0.08 0.08 90.24 05:46:01 3 12.60 0.00 3.85 1.51 0.07 81.97 05:46:01 4 6.18 0.00 2.94 5.20 0.08 85.60 05:46:01 5 5.44 0.00 2.57 1.50 0.08 90.41 05:46:01 6 8.89 0.00 4.34 0.08 0.08 86.59 05:46:01 7 6.94 0.00 2.54 0.52 0.07 89.94 05:47:01 all 11.00 0.00 1.03 0.84 0.06 87.07 05:47:01 0 9.19 0.00 1.02 0.45 0.07 89.27 05:47:01 1 6.09 0.00 0.95 0.30 0.05 92.61 05:47:01 2 12.87 0.00 0.80 0.05 0.05 86.22 05:47:01 3 20.27 0.00 1.60 0.37 0.08 77.67 05:47:01 4 11.69 0.00 1.15 3.06 0.10 83.99 05:47:01 5 8.00 0.00 1.09 1.99 0.07 88.86 05:47:01 6 16.72 0.00 0.90 0.30 0.05 82.02 05:47:01 7 3.10 0.00 0.72 0.20 0.05 95.93 Average: all 23.09 0.05 4.29 1.51 0.09 70.96 Average: 0 22.84 0.00 4.15 0.75 0.09 72.17 Average: 1 21.72 0.00 4.30 2.22 0.08 71.67 Average: 2 22.46 0.00 4.48 1.40 0.08 71.59 Average: 3 26.38 0.00 4.46 1.31 0.09 67.77 Average: 4 22.67 0.00 4.06 3.22 0.10 69.95 Average: 5 22.14 0.00 4.18 1.60 0.08 72.00 Average: 6 24.71 0.00 4.61 0.87 0.09 69.73 Average: 7 21.82 0.42 4.06 0.77 0.08 72.84