---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46576 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 2.3M 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 4.0K 3.2G 1% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9601d8b97d7fb0e80f164bc91b40b258947ddc97e082fbcbf1055b2c2acfd24d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0136a15c4ed2fa450888d7b4ac3452a28bd4c2079017aa7e597248f6ba3c1ea5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/aaa917edc58ed14aa59c0e36b1025b51618c151c832754edd71886c706efd20e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4c598dfb88c926f74ab059f1e0cc20044553f7352c891477d689fa127137104a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/11bc4ecb28127cd41906348182ec925c8221f6c6548621cf58594181bed33ec0/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 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/493d5e3d53187168bda0b2e6652805b85d5be77ad8c9a4ce55d978d4e8a3959e/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1677 23737 2 6752 30033 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:d5:cc:7d brd ff:ff:ff:ff:ff:ff inet 10.30.106.31/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85847sec preferred_lft 85847sec inet6 fe80::f816:3eff:fed5:cc7d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c7:e5:d6: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:c7ff:fee5:d6cc/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 16:84:cb:fa:63:10 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::1484:cbff:fefa:6310/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 6e:fc:94:85:bc:f1 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::6cfc:94ff:fe85:bcf1/64 scope link valid_lft forever preferred_lft forever 7: vethc11b99e2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether d6:90:3d:e2:ce:35 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::d490:3dff:fee2:ce35/64 scope link valid_lft forever preferred_lft forever 9: veth86474724@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:2a:3f:24:46:01 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::542a:3fff:fe24:4601/64 scope link valid_lft forever preferred_lft forever 10: veth2a402f6f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:82:2b:41:b6:46 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::e882:2bff:fe41:b646/64 scope link valid_lft forever preferred_lft forever 11: veth97816c2a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:2f:70:e6:3a:ee brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::242f:70ff:fee6:3aee/64 scope link valid_lft forever preferred_lft forever 12: veth62b67ed4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8a:42:03:a4:82:05 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::8842:3ff:fea4:8205/64 scope link valid_lft forever preferred_lft forever 19: br-53cdc665c89b: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:15:dc:5b:14 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-53cdc665c89b valid_lft forever preferred_lft forever inet6 fe80::42:15ff:fedc:5b14/64 scope link valid_lft forever preferred_lft forever 23: veth5f7a644@if22: mtu 1500 qdisc noqueue master br-53cdc665c89b state UP group default link/ether ea:cd:b3:6b:d9:dc brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::e8cd:b3ff:fe6b:d9dc/64 scope link valid_lft forever preferred_lft forever 25: veth55034fc@if24: mtu 1500 qdisc noqueue master br-53cdc665c89b state UP group default link/ether 12:7d:38:28:01:a4 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::107d:38ff:fe28:1a4/64 scope link valid_lft forever preferred_lft forever 26: veth98acec41@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:1d:65:1b:c5:91 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::f01d:65ff:fe1b:c591/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46576) 09/17/25 _x86_64_ (8 CPU) 13:55:31 LINUX RESTART (8 CPU) 13:56:01 tps rtps wtps bread/s bwrtn/s 13:57:01 53.64 25.16 28.48 2608.90 34180.84 13:58:01 21.76 0.00 21.76 0.00 31606.07 13:59:01 20.53 0.00 20.53 0.00 31318.49 14:00:01 479.74 85.55 394.18 3576.87 99472.89 14:01:01 319.60 3.05 316.55 376.34 73527.48 14:02:01 115.26 3.32 111.95 446.73 73442.83 14:03:01 86.94 2.17 84.77 138.38 42692.35 14:04:01 109.57 20.63 88.94 760.14 13323.51 Average: 150.88 17.48 133.39 988.40 49945.17 13:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:57:01 30632432 31872460 2306788 7.00 38608 1529172 1285724 3.78 639508 1411444 232 13:58:01 30633388 31873320 2305832 7.00 38696 1529160 1318844 3.88 639768 1411348 176 13:59:01 30634684 31874732 2304536 7.00 38784 1529160 1318844 3.88 638872 1411356 168 14:00:01 27798792 31021912 5140428 15.61 69840 3423560 2691144 8.17 1972240 2755420 32836 14:01:01 25093884 30084576 7845336 23.82 130904 4945436 3875376 11.77 3244720 3989648 509816 14:02:01 25853348 31010848 7085872 21.51 133960 5212768 2633576 8.00 2289148 4288436 246988 14:03:01 25119944 30855316 7819276 23.74 148552 5739184 4352884 13.21 2636528 4614512 1712 14:04:01 24487136 30798036 8452084 25.66 186080 6239728 4196812 12.74 2860588 4980708 134384 Average: 27531701 31173900 5407519 16.42 98178 3768521 2709150 8.22 1865172 3107859 115789 13:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:57:01 ens3 202.45 135.46 520.74 28.58 0.00 0.00 0.00 0.00 13:57:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 13:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:58:01 ens3 0.37 0.28 0.07 0.03 0.00 0.00 0.00 0.00 13:58:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 13:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:59:01 ens3 0.23 0.20 0.06 0.34 0.00 0.00 0.00 0.00 13:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 veth2a402f6f 0.47 1.07 0.09 0.17 0.00 0.00 0.00 0.00 14:00:01 veth387b7714 1.48 2.13 0.24 4.32 0.00 0.00 0.00 0.00 14:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 cni0 21.33 17.51 24.26 38.80 0.00 0.00 0.58 0.00 14:01:01 veth2a402f6f 0.13 0.50 0.01 0.04 0.00 0.00 0.00 0.00 14:01:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:01:01 cni0 27.95 28.41 13.85 70.57 0.00 0.00 0.38 0.00 14:01:01 veth62b67ed4 4.52 4.20 0.79 2.07 0.00 0.00 0.00 0.00 14:02:01 veth2a402f6f 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 14:02:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 cni0 11.71 12.98 3.01 2.16 0.00 0.00 0.05 0.00 14:02:01 veth62b67ed4 1.35 1.47 0.11 0.18 0.00 0.00 0.00 0.00 14:03:01 veth2a402f6f 0.12 0.15 0.01 0.02 0.00 0.00 0.00 0.00 14:03:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 cni0 11.78 13.15 3.02 2.17 0.00 0.00 0.05 0.00 14:03:01 veth62b67ed4 1.40 1.47 0.11 0.18 0.00 0.00 0.00 0.00 14:04:01 veth2a402f6f 0.12 0.25 0.01 0.02 0.00 0.00 0.00 0.00 14:04:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 cni0 12.18 13.51 3.05 2.77 0.00 0.00 0.15 0.00 14:04:01 veth62b67ed4 1.57 1.82 0.13 0.59 0.00 0.00 0.00 0.00 Average: veth2a402f6f 0.12 0.27 0.02 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: cni0 10.62 10.70 5.90 14.56 0.00 0.00 0.15 0.00 Average: veth62b67ed4 1.10 1.12 0.14 0.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46576) 09/17/25 _x86_64_ (8 CPU) 13:55:31 LINUX RESTART (8 CPU) 13:56:01 CPU %user %nice %system %iowait %steal %idle 13:57:01 all 1.74 0.00 0.21 1.24 0.01 96.80 13:57:01 0 1.15 0.00 0.32 0.35 0.02 98.16 13:57:01 1 1.54 0.00 0.22 8.75 0.02 89.48 13:57:01 2 2.23 0.00 0.18 0.00 0.02 97.57 13:57:01 3 2.24 0.00 0.15 0.03 0.00 97.58 13:57:01 4 2.65 0.00 0.12 0.23 0.02 96.98 13:57:01 5 1.22 0.00 0.17 0.08 0.02 98.52 13:57:01 6 2.27 0.00 0.30 0.42 0.02 97.00 13:57:01 7 0.64 0.00 0.17 0.03 0.02 99.15 13:58:01 all 0.04 0.00 0.01 1.23 0.01 98.71 13:58:01 0 0.00 0.00 0.00 0.08 0.00 99.92 13:58:01 1 0.05 0.00 0.02 9.76 0.02 90.16 13:58:01 2 0.00 0.00 0.02 0.00 0.02 99.97 13:58:01 3 0.02 0.00 0.00 0.00 0.02 99.97 13:58:01 4 0.08 0.00 0.03 0.00 0.00 99.88 13:58:01 5 0.02 0.00 0.00 0.00 0.00 99.98 13:58:01 6 0.12 0.00 0.00 0.00 0.00 99.88 13:58:01 7 0.02 0.00 0.02 0.00 0.02 99.95 13:59:01 all 0.03 0.00 0.01 1.27 0.01 98.69 13:59:01 0 0.02 0.00 0.02 0.08 0.00 99.88 13:59:01 1 0.07 0.00 0.02 10.06 0.00 89.86 13:59:01 2 0.00 0.00 0.00 0.00 0.00 100.00 13:59:01 3 0.00 0.00 0.00 0.00 0.00 100.00 13:59:01 4 0.07 0.00 0.02 0.00 0.02 99.90 13:59:01 5 0.00 0.00 0.00 0.00 0.00 100.00 13:59:01 6 0.00 0.00 0.02 0.00 0.00 99.98 13:59:01 7 0.07 0.00 0.02 0.00 0.02 99.90 14:00:01 all 11.81 0.63 3.77 6.45 0.08 77.26 14:00:01 0 12.05 0.00 4.05 10.72 0.07 73.12 14:00:01 1 11.99 0.00 3.34 13.25 0.07 71.35 14:00:01 2 9.78 0.00 3.45 0.89 0.10 85.77 14:00:01 3 11.98 0.00 3.42 2.39 0.05 82.16 14:00:01 4 10.64 0.00 4.33 11.18 0.07 73.78 14:00:01 5 9.36 0.00 4.33 3.17 0.10 83.03 14:00:01 6 17.28 3.36 3.46 1.50 0.07 74.33 14:00:01 7 11.39 1.67 3.79 8.46 0.07 74.63 14:01:01 all 34.64 0.00 5.37 4.20 0.10 55.69 14:01:01 0 36.56 0.00 5.96 4.36 0.12 53.00 14:01:01 1 33.02 0.00 5.65 10.27 0.12 50.94 14:01:01 2 37.47 0.00 5.30 2.33 0.08 54.81 14:01:01 3 33.94 0.00 5.42 6.84 0.10 53.69 14:01:01 4 33.58 0.00 5.22 1.46 0.10 59.64 14:01:01 5 33.19 0.00 5.41 2.86 0.10 58.44 14:01:01 6 35.69 0.00 5.13 2.14 0.10 56.94 14:01:01 7 33.63 0.00 4.90 3.34 0.10 58.04 14:02:01 all 31.09 0.20 5.24 2.08 0.09 61.30 14:02:01 0 25.38 0.00 4.95 0.47 0.07 69.13 14:02:01 1 30.83 0.00 4.61 0.98 0.08 63.50 14:02:01 2 35.90 1.63 6.80 4.10 0.08 51.48 14:02:01 3 35.33 0.00 4.93 0.13 0.12 59.48 14:02:01 4 30.00 0.00 5.39 6.37 0.12 58.12 14:02:01 5 28.94 0.00 5.02 0.03 0.07 65.94 14:02:01 6 31.79 0.00 4.70 2.04 0.08 61.39 14:02:01 7 30.46 0.00 5.53 2.44 0.08 61.49 14:03:01 all 4.78 0.00 2.31 1.53 0.08 91.30 14:03:01 0 6.98 0.00 1.82 0.05 0.05 91.09 14:03:01 1 5.07 0.00 1.92 0.64 0.08 92.28 14:03:01 2 4.23 0.00 2.14 0.03 0.07 93.53 14:03:01 3 5.07 0.00 2.55 1.09 0.10 91.18 14:03:01 4 2.72 0.00 2.73 1.17 0.05 93.32 14:03:01 5 3.90 0.00 2.61 0.10 0.05 93.34 14:03:01 6 4.73 0.00 2.68 4.78 0.07 87.74 14:03:01 7 5.53 0.00 2.04 4.38 0.10 87.94 14:04:01 all 9.57 0.00 1.60 1.90 0.08 86.85 14:04:01 0 7.05 0.00 1.90 0.25 0.05 90.75 14:04:01 1 19.28 0.00 1.91 0.97 0.08 77.76 14:04:01 2 4.17 0.00 1.44 1.26 0.08 93.05 14:04:01 3 4.57 0.00 1.67 6.75 0.08 86.92 14:04:01 4 4.40 0.00 1.19 0.75 0.10 93.57 14:04:01 5 16.22 0.00 1.32 1.07 0.07 81.32 14:04:01 6 9.98 0.00 1.49 2.28 0.10 86.16 14:04:01 7 10.87 0.00 1.91 1.91 0.12 85.20 Average: all 11.66 0.10 2.31 2.48 0.06 83.39 Average: 0 11.09 0.00 2.37 2.04 0.05 84.47 Average: 1 12.70 0.00 2.20 6.84 0.06 78.20 Average: 2 11.67 0.20 2.41 1.07 0.06 84.59 Average: 3 11.60 0.00 2.26 2.15 0.06 83.94 Average: 4 10.47 0.00 2.37 2.63 0.06 84.47 Average: 5 11.54 0.00 2.34 0.91 0.05 85.16 Average: 6 12.68 0.42 2.21 1.64 0.05 82.99 Average: 7 11.54 0.21 2.29 2.56 0.07 83.33