---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46513 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 2.1M 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 8.0K 3.2G 1% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c7548b0e89cef32f9b368a1ecc1b87c89f22ec429bf12446c23025f00c26ea67/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3fbb2d1690403a01b399d6365ef9ac00ee4b4547dd63c83693e61397bee11f2e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/82cf4dbfad50914dfe363a5b3a8f62e94a60c2c3ffe5fd77b6451338c4729525/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/193179cf43a768720a6030084ee97ae5ccffb59c39956ce5484a66122119d5e0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9fbcbcbdb6e0c0212ad1734e6cce5247d7f4867378914b88341bcde318956966/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25202 /dev/loop1 67M 67M 0 100% /snap/core24/1151 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1641 23766 2 6758 30075 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:f0:1f:6a brd ff:ff:ff:ff:ff:ff inet 10.30.107.25/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85794sec preferred_lft 85794sec inet6 fe80::f816:3eff:fef0:1f6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3e:06:d5:01 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::42:3eff:fe06:d501/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ce:35:c6:88:84:b2 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::cc35:c6ff:fe88:84b2/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 26:52:c7:20:92:13 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::2452:c7ff:fe20:9213/64 scope link valid_lft forever preferred_lft forever 8: veth1be89886@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e6:48:df:57:1f:20 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e448:dfff:fe57:1f20/64 scope link valid_lft forever preferred_lft forever 9: veth0311f384@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c6:68:79:7b:bb:75 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c468:79ff:fe7b:bb75/64 scope link valid_lft forever preferred_lft forever 10: veth7f2d71b6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:a9:5b:50:e6:92 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::64a9:5bff:fe50:e692/64 scope link valid_lft forever preferred_lft forever 13: vethada8a2e6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:c6:c9:88:21:53 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::4cc6:c9ff:fe88:2153/64 scope link valid_lft forever preferred_lft forever 14: veth3ca518c0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ee:44:81:3e:60:96 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::ec44:81ff:fe3e:6096/64 scope link valid_lft forever preferred_lft forever 19: br-de0ee8da0822: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:d4:b3:af:3a brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-de0ee8da0822 valid_lft forever preferred_lft forever inet6 fe80::42:d4ff:feb3:af3a/64 scope link valid_lft forever preferred_lft forever 23: veth83c74ba@if22: mtu 1500 qdisc noqueue master br-de0ee8da0822 state UP group default link/ether 9e:ad:7e:6a:c6:d3 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::9cad:7eff:fe6a:c6d3/64 scope link valid_lft forever preferred_lft forever 25: veth1c03a76@if24: mtu 1500 qdisc noqueue master br-de0ee8da0822 state UP group default link/ether e2:d8:3f:85:ed:4d brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::e0d8:3fff:fe85:ed4d/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-46513) 09/17/25 _x86_64_ (8 CPU) 12:01:03 LINUX RESTART (8 CPU) 12:02:01 tps rtps wtps bread/s bwrtn/s 12:03:01 454.34 42.63 411.71 2226.03 148767.07 12:04:01 225.93 3.12 222.81 428.33 108772.94 12:05:01 140.11 0.83 139.28 121.98 71213.86 12:06:01 57.26 2.25 55.01 65.06 10264.96 12:07:01 6.58 0.02 6.57 3.60 293.42 12:08:01 5.96 0.32 5.65 9.20 154.62 12:09:01 3.55 0.00 3.55 0.00 123.31 12:10:01 40.71 19.80 20.91 684.02 1585.07 12:11:01 103.43 1.07 102.37 75.99 10327.21 Average: 115.32 7.78 107.54 401.57 39055.11 12:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:03:01 25990312 30852536 6948908 21.10 129016 4801064 3700488 11.23 2573888 3770664 1050236 12:04:01 26921820 31073984 6017400 18.27 131364 4231444 2493364 7.57 2092440 3434072 296 12:05:01 25356080 30982688 7583140 23.02 135928 5649532 3896980 11.83 2474052 4558792 1348 12:06:01 24805488 30858764 8133732 24.69 177444 6017320 4108560 12.47 2832088 4720736 4392 12:07:01 24805704 30859932 8133516 24.69 177584 6017976 4085236 12.40 2831356 4720864 472 12:08:01 24800084 30860724 8139136 24.71 177692 6018356 4107752 12.47 2831280 4723020 744 12:09:01 24800636 30861496 8138584 24.71 177776 6018392 4113220 12.49 2830564 4723044 164 12:10:01 24611620 30774148 8327600 25.28 184484 6100064 4218868 12.81 2941612 4788956 55248 12:11:01 24302752 30759984 8636468 26.22 190228 6356336 4216176 12.80 2967808 5037996 122624 Average: 25154944 30876028 7784276 23.63 164613 5690054 3882294 11.79 2708343 4497572 137280 12:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:03:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:03:01 veth3ca518c0 3.98 3.63 0.75 1.97 0.00 0.00 0.00 0.00 12:03:01 ens3 749.16 625.45 10733.57 54.62 0.00 0.00 0.00 0.00 12:03:01 veth1be89886 6.17 8.00 2.40 2.90 0.00 0.00 0.00 0.00 12:04:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:04:01 veth3ca518c0 1.38 1.55 0.11 0.19 0.00 0.00 0.00 0.00 12:04:01 ens3 4.93 4.05 5.19 1.18 0.00 0.00 0.00 0.00 12:04:01 veth1be89886 6.77 8.02 2.62 1.62 0.00 0.00 0.00 0.00 12:05:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:05:01 veth3ca518c0 1.38 1.55 0.11 0.19 0.00 0.00 0.00 0.00 12:05:01 ens3 184.39 112.35 5889.02 10.12 0.00 0.00 0.00 0.00 12:05:01 br-de0ee8da0822 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:06:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:06:01 veth3ca518c0 2.57 2.88 0.21 1.84 0.00 0.00 0.00 0.00 12:06:01 ens3 219.10 162.67 2749.82 13.53 0.00 0.00 0.00 0.00 12:06:01 br-de0ee8da0822 3.22 3.62 2.21 1.25 0.00 0.00 0.00 0.00 12:07:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:07:01 veth3ca518c0 1.37 1.45 0.11 0.18 0.00 0.00 0.00 0.00 12:07:01 ens3 0.58 0.38 0.20 0.27 0.00 0.00 0.00 0.00 12:07:01 br-de0ee8da0822 0.25 0.35 0.04 0.03 0.00 0.00 0.00 0.00 12:08:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:08:01 veth3ca518c0 1.45 1.48 0.12 0.19 0.00 0.00 0.00 0.00 12:08:01 ens3 8.35 6.36 5.41 6.89 0.00 0.00 0.00 0.00 12:08:01 br-de0ee8da0822 0.25 0.35 0.04 0.03 0.00 0.00 0.00 0.00 12:09:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:09:01 veth3ca518c0 1.60 1.63 0.15 0.21 0.00 0.00 0.00 0.00 12:09:01 ens3 0.57 0.18 0.10 0.34 0.00 0.00 0.00 0.00 12:09:01 br-de0ee8da0822 0.25 0.35 0.04 0.03 0.00 0.00 0.00 0.00 12:10:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 veth3ca518c0 1.50 1.55 0.12 0.20 0.00 0.00 0.00 0.00 12:10:01 ens3 22.93 19.23 253.63 5.21 0.00 0.00 0.00 0.00 12:10:01 br-de0ee8da0822 0.25 0.35 0.04 0.03 0.00 0.00 0.00 0.00 12:11:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:11:01 veth3ca518c0 1.62 1.73 0.13 0.43 0.00 0.00 0.00 0.00 12:11:01 ens3 59.04 47.83 881.49 11.14 0.00 0.00 0.00 0.00 12:11:01 br-de0ee8da0822 0.27 0.37 0.04 0.03 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 Average: veth3ca518c0 1.87 1.94 0.20 0.60 0.00 0.00 0.00 0.00 Average: ens3 138.78 108.72 2279.79 11.48 0.00 0.00 0.00 0.00 Average: br-de0ee8da0822 0.50 0.61 0.27 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46513) 09/17/25 _x86_64_ (8 CPU) 12:01:03 LINUX RESTART (8 CPU) 12:02:01 CPU %user %nice %system %iowait %steal %idle 12:03:01 all 34.35 0.00 7.91 3.54 0.10 54.09 12:03:01 0 34.42 0.00 7.71 2.98 0.10 54.79 12:03:01 1 33.50 0.00 8.22 1.97 0.09 56.21 12:03:01 2 34.66 0.00 7.66 5.46 0.10 52.11 12:03:01 3 32.72 0.00 7.52 7.83 0.09 51.85 12:03:01 4 34.85 0.00 7.87 2.06 0.12 55.09 12:03:01 5 33.37 0.00 8.10 2.00 0.12 56.41 12:03:01 6 34.33 0.00 7.48 2.61 0.10 55.48 12:03:01 7 36.93 0.00 8.77 3.45 0.12 50.73 12:04:01 all 38.62 0.00 5.55 1.70 0.09 54.05 12:04:01 0 41.03 0.00 5.10 0.72 0.10 53.04 12:04:01 1 40.39 0.00 5.92 2.22 0.08 51.38 12:04:01 2 38.12 0.00 5.55 0.12 0.10 56.12 12:04:01 3 35.01 0.00 5.49 4.31 0.08 55.10 12:04:01 4 35.62 0.00 4.82 0.07 0.08 59.41 12:04:01 5 42.49 0.00 5.78 0.91 0.08 50.73 12:04:01 6 40.45 0.00 6.98 5.08 0.10 47.38 12:04:01 7 35.81 0.00 4.75 0.12 0.08 59.24 12:05:01 all 6.16 0.22 2.83 1.99 0.06 88.75 12:05:01 0 6.89 0.00 1.89 0.65 0.05 90.51 12:05:01 1 4.15 0.00 3.38 0.13 0.07 92.27 12:05:01 2 6.46 1.72 2.91 0.62 0.07 88.22 12:05:01 3 6.47 0.00 3.82 9.04 0.07 80.59 12:05:01 4 4.80 0.00 2.60 0.27 0.05 92.28 12:05:01 5 6.08 0.00 2.74 0.70 0.09 90.39 12:05:01 6 4.78 0.00 2.79 2.02 0.07 90.35 12:05:01 7 9.62 0.00 2.51 2.51 0.08 85.28 12:06:01 all 3.16 0.00 1.99 0.42 0.07 94.37 12:06:01 0 2.73 0.00 2.58 1.07 0.05 93.57 12:06:01 1 3.52 0.00 1.71 0.05 0.07 94.66 12:06:01 2 3.95 0.00 2.37 0.65 0.07 92.96 12:06:01 3 3.15 0.00 2.85 0.12 0.07 93.82 12:06:01 4 2.76 0.00 1.48 0.74 0.07 94.95 12:06:01 5 3.34 0.00 1.69 0.13 0.05 94.78 12:06:01 6 2.69 0.00 1.56 0.40 0.07 95.28 12:06:01 7 3.12 0.00 1.63 0.17 0.07 95.02 12:07:01 all 0.72 0.00 0.37 0.02 0.05 98.84 12:07:01 0 0.55 0.00 0.30 0.00 0.05 99.10 12:07:01 1 0.70 0.00 0.50 0.03 0.07 98.70 12:07:01 2 0.79 0.00 0.42 0.02 0.05 98.73 12:07:01 3 0.55 0.00 0.27 0.00 0.05 99.13 12:07:01 4 0.81 0.00 0.34 0.00 0.05 98.81 12:07:01 5 0.72 0.00 0.44 0.03 0.07 98.74 12:07:01 6 1.02 0.00 0.35 0.00 0.05 98.58 12:07:01 7 0.64 0.00 0.42 0.08 0.05 98.81 12:08:01 all 0.99 0.00 0.38 0.02 0.05 98.56 12:08:01 0 0.85 0.00 0.55 0.02 0.05 98.53 12:08:01 1 0.87 0.00 0.52 0.02 0.07 98.53 12:08:01 2 0.73 0.00 0.32 0.00 0.05 98.90 12:08:01 3 1.99 0.00 0.37 0.02 0.03 97.59 12:08:01 4 0.89 0.00 0.42 0.02 0.05 98.62 12:08:01 5 0.75 0.00 0.25 0.03 0.03 98.93 12:08:01 6 0.87 0.00 0.22 0.00 0.03 98.88 12:08:01 7 0.90 0.00 0.35 0.10 0.07 98.58 12:09:01 all 0.73 0.00 0.32 0.01 0.06 98.88 12:09:01 0 0.70 0.00 0.47 0.00 0.07 98.76 12:09:01 1 0.57 0.00 0.25 0.02 0.05 99.11 12:09:01 2 1.45 0.00 0.37 0.02 0.05 98.11 12:09:01 3 0.64 0.00 0.33 0.05 0.08 98.90 12:09:01 4 0.55 0.00 0.27 0.00 0.07 99.11 12:09:01 5 0.79 0.00 0.39 0.02 0.08 98.73 12:09:01 6 0.57 0.00 0.15 0.00 0.05 99.23 12:09:01 7 0.59 0.00 0.37 0.00 0.05 99.00 12:10:01 all 4.14 0.00 0.60 0.22 0.06 94.99 12:10:01 0 1.71 0.00 0.67 0.03 0.08 97.50 12:10:01 1 1.44 0.00 0.40 0.02 0.03 98.11 12:10:01 2 1.77 0.00 0.45 0.02 0.05 97.71 12:10:01 3 4.15 0.00 0.57 1.12 0.05 94.11 12:10:01 4 6.58 0.00 0.67 0.18 0.05 92.51 12:10:01 5 11.17 0.00 1.12 0.23 0.08 87.40 12:10:01 6 3.72 0.00 0.42 0.08 0.05 95.73 12:10:01 7 2.52 0.00 0.43 0.05 0.05 96.94 12:11:01 all 11.35 0.00 1.09 0.50 0.07 86.99 12:11:01 0 2.93 0.00 0.57 0.15 0.05 96.31 12:11:01 1 10.06 0.00 1.07 0.43 0.07 88.37 12:11:01 2 6.07 0.00 1.10 0.12 0.08 92.62 12:11:01 3 27.12 0.00 1.81 1.69 0.07 69.32 12:11:01 4 24.84 0.00 1.69 1.04 0.08 72.35 12:11:01 5 7.83 0.00 0.97 0.55 0.07 90.58 12:11:01 6 3.48 0.00 0.60 0.02 0.07 95.83 12:11:01 7 8.53 0.00 0.99 0.03 0.07 90.38 Average: all 11.06 0.02 2.32 0.93 0.07 85.60 Average: 0 10.11 0.00 2.19 0.62 0.07 87.02 Average: 1 10.50 0.00 2.42 0.54 0.07 86.47 Average: 2 10.35 0.19 2.33 0.77 0.07 86.29 Average: 3 12.35 0.00 2.54 2.66 0.07 82.38 Average: 4 12.37 0.00 2.23 0.48 0.07 84.85 Average: 5 11.79 0.00 2.37 0.51 0.07 85.26 Average: 6 10.13 0.00 2.27 1.13 0.07 86.41 Average: 7 10.89 0.00 2.23 0.72 0.07 86.10