---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6605 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: 2799.998 BogoMIPS: 5599.99 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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/2c02c41b8aa9b5f690014e70de350a49656085dfe12ed130f39016e42f09dfe7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/422ddea9d043efc1d67c25bd99d092df1aeddd8435ba872692f178ba81461456/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1e951cb98f90066af059184c8987ada0f348f1afb7b2224b70532fc874af3b19/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d5ad2ff55c8040b4652fbb2ebbdcc1e191a9c103c8463e44af804157ca7dd2c5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/27f34100712d5025c50dd9120b5628b2ae71bf4d4acb45abd16d5f4a6c834742/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1514 24220 1 6431 30195 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:32:d0:b8 brd ff:ff:ff:ff:ff:ff inet 10.30.106.221/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85820sec preferred_lft 85820sec inet6 fe80::f816:3eff:fe32:d0b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:78:ba:1b:0b 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::42:78ff:feba:1b0b/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 26:ed:ab:11:e6:95 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::24ed:abff:fe11:e695/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether e2:51:01:82:c2:9b 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::e051:1ff:fe82:c29b/64 scope link valid_lft forever preferred_lft forever 6: veth06e47690@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:47:09:85:1c:4f brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::47:9ff:fe85:1c4f/64 scope link valid_lft forever preferred_lft forever 7: veth26a47f6c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3a:5c:65:a2:96:ce brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::385c:65ff:fea2:96ce/64 scope link valid_lft forever preferred_lft forever 8: veth92a34bea@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8a:34:a7:8e:a2:76 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::8834:a7ff:fe8e:a276/64 scope link valid_lft forever preferred_lft forever 13: vethf7696793@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:60:03:d7:d9:3d brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::5060:3ff:fed7:d93d/64 scope link valid_lft forever preferred_lft forever 14: veth5173905e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:54:44:4c:1d:09 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::7c54:44ff:fe4c:1d09/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6605) 10/30/26 _x86_64_ (8 CPU) 14:32:12 LINUX RESTART (8 CPU) 14:33:01 tps rtps wtps bread/s bwrtn/s 14:34:01 36.79 5.96 30.83 259.45 36139.49 14:35:01 178.14 79.24 98.90 3287.04 51901.37 14:36:02 311.85 3.36 308.49 362.63 101880.64 14:37:01 32.29 0.00 32.29 0.00 17375.67 14:38:01 20.76 0.00 20.76 0.00 14805.13 14:39:01 70.66 3.18 67.48 434.26 69182.94 14:40:01 126.98 0.62 126.36 94.65 77684.25 14:41:01 96.60 20.46 76.14 772.40 11766.44 Average: 109.61 14.11 95.51 651.79 47717.10 14:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:34:01 30369332 31780856 2569888 7.80 41960 1692360 1387112 4.21 742376 1559408 212328 14:35:01 28587140 31250060 4352080 13.21 66724 2878652 2404392 7.30 1687712 2283972 627956 14:36:02 25436432 30683912 7502788 22.78 124616 5201820 3183804 9.67 2930192 3945012 1013352 14:37:01 25736672 30930632 7202548 21.87 126036 5140008 2923228 8.87 2324148 4243168 620636 14:38:01 25614996 30965476 7324224 22.24 126212 5294592 3248016 9.86 2736728 3952308 357200 14:39:01 26933204 31106376 6006016 18.23 127760 4244624 2532464 7.69 2071236 3438788 104208 14:40:01 25552156 31012316 7387064 22.43 134776 5474748 3328168 10.10 2315120 4515940 61220 14:41:01 25098212 30963780 7841008 23.80 149960 5833712 3359772 10.20 2482260 4765956 153128 Average: 26666018 31086676 6273202 19.04 112256 4470064 2795870 8.49 2161222 3588069 393754 14:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:34:01 lo 0.73 0.73 0.08 0.08 0.00 0.00 0.00 0.00 14:34:01 ens3 175.68 118.15 764.65 30.81 0.00 0.00 0.00 0.00 14:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:35:01 cni0 0.47 0.10 0.03 0.01 0.00 0.00 0.42 0.00 14:35:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:35:01 veth5aec7a11 0.10 0.45 0.01 0.04 0.00 0.00 0.00 0.00 14:35:01 veth92a34bea 0.10 0.48 0.01 0.04 0.00 0.00 0.00 0.00 14:36:02 cni0 39.00 38.57 21.14 91.52 0.00 0.00 0.53 0.00 14:36:02 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:36:02 veth92a34bea 3.39 4.14 0.34 0.73 0.00 0.00 0.00 0.00 14:36:02 veth26a47f6c 0.63 1.61 0.10 0.23 0.00 0.00 0.00 0.00 14:37:01 cni0 11.88 12.96 2.38 1.45 0.00 0.00 0.07 0.00 14:37:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:37:01 veth92a34bea 3.03 3.17 0.28 0.28 0.00 0.00 0.00 0.00 14:37:01 veth26a47f6c 0.08 0.12 0.01 0.01 0.00 0.00 0.00 0.00 14:38:01 cni0 11.85 13.13 2.39 1.47 0.00 0.00 0.07 0.00 14:38:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:38:01 veth92a34bea 3.08 3.22 0.28 0.28 0.00 0.00 0.00 0.00 14:38:01 veth26a47f6c 0.10 0.15 0.01 0.02 0.00 0.00 0.00 0.00 14:39:01 cni0 11.51 13.33 2.37 1.48 0.00 0.00 0.02 0.00 14:39:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:39:01 veth92a34bea 3.00 3.30 0.28 0.29 0.00 0.00 0.00 0.00 14:39:01 veth26a47f6c 0.12 0.10 0.01 0.02 0.00 0.00 0.00 0.00 14:40:01 cni0 12.21 13.15 2.41 1.48 0.00 0.00 0.07 0.00 14:40:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 veth92a34bea 3.10 3.27 0.29 0.28 0.00 0.00 0.00 0.00 14:40:01 veth26a47f6c 0.10 0.15 0.01 0.02 0.00 0.00 0.00 0.00 14:41:01 cni0 12.90 13.85 2.47 2.10 0.00 0.00 0.10 0.00 14:41:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 veth92a34bea 3.20 3.37 0.29 0.39 0.00 0.00 0.00 0.00 14:41:01 veth26a47f6c 0.17 0.23 0.01 0.04 0.00 0.00 0.00 0.00 Average: cni0 12.50 13.16 4.17 12.56 0.00 0.00 0.16 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth92a34bea 2.36 2.61 0.22 0.29 0.00 0.00 0.00 0.00 Average: veth26a47f6c 0.15 0.30 0.02 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6605) 10/30/26 _x86_64_ (8 CPU) 14:32:12 LINUX RESTART (8 CPU) 14:33:01 CPU %user %nice %system %iowait %steal %idle 14:34:01 all 2.72 0.43 0.46 4.40 0.00 91.99 14:34:01 0 1.70 0.00 0.38 1.29 0.02 96.61 14:34:01 1 1.49 0.00 0.30 18.14 0.00 80.08 14:34:01 2 1.22 0.00 0.55 0.35 0.00 97.88 14:34:01 3 2.84 3.42 0.74 0.31 0.02 92.67 14:34:01 4 1.72 0.00 0.33 0.26 0.00 97.69 14:34:01 5 1.89 0.00 0.48 5.94 0.00 91.70 14:34:01 6 9.03 0.03 0.51 6.78 0.00 83.65 14:34:01 7 1.80 0.00 0.43 2.13 0.00 95.65 14:35:01 all 7.20 0.22 2.83 9.71 0.01 80.03 14:35:01 0 6.13 0.00 2.71 0.49 0.00 90.67 14:35:01 1 9.28 0.00 3.11 22.43 0.00 65.18 14:35:01 2 8.70 0.00 2.93 3.10 0.00 85.26 14:35:01 3 5.02 1.73 2.67 23.91 0.00 66.67 14:35:01 4 6.80 0.00 2.69 17.43 0.02 73.07 14:35:01 5 6.85 0.00 2.70 7.74 0.00 82.72 14:35:01 6 6.53 0.00 2.82 1.85 0.02 88.77 14:35:01 7 8.32 0.00 2.96 0.74 0.02 87.97 14:36:02 all 41.24 0.00 7.08 12.94 0.03 38.71 14:36:02 0 42.14 0.00 7.49 9.51 0.03 40.83 14:36:02 1 40.29 0.00 6.96 20.19 0.03 32.52 14:36:02 2 40.77 0.00 7.15 5.94 0.03 46.11 14:36:02 3 41.74 0.00 7.90 23.21 0.05 27.10 14:36:02 4 41.20 0.00 6.52 21.03 0.02 31.24 14:36:02 5 41.70 0.00 7.19 8.11 0.05 42.95 14:36:02 6 40.83 0.00 6.47 10.17 0.02 42.52 14:36:02 7 41.27 0.00 6.94 5.38 0.02 46.40 14:37:01 all 14.65 0.00 2.35 22.60 0.01 60.39 14:37:01 0 13.26 0.00 2.48 20.03 0.02 64.21 14:37:01 1 14.01 0.00 2.15 33.57 0.00 50.28 14:37:01 2 13.23 0.00 2.24 6.65 0.00 77.88 14:37:01 3 15.00 0.00 2.33 4.22 0.00 78.45 14:37:01 4 14.88 0.00 2.42 82.46 0.02 0.22 14:37:01 5 17.32 0.00 2.50 12.57 0.00 67.61 14:37:01 6 14.37 0.00 2.21 16.67 0.02 66.73 14:37:01 7 15.14 0.00 2.42 4.77 0.02 77.65 14:38:01 all 3.61 0.00 0.95 34.47 0.01 60.96 14:38:01 0 2.76 0.00 1.04 41.36 0.00 54.84 14:38:01 1 3.17 0.00 0.69 7.55 0.02 88.58 14:38:01 2 3.12 0.00 1.12 67.69 0.02 28.05 14:38:01 3 2.29 0.00 0.88 37.15 0.00 59.68 14:38:01 4 2.12 0.00 1.03 48.23 0.00 48.61 14:38:01 5 2.24 0.00 0.84 33.12 0.02 63.78 14:38:01 6 9.91 0.00 1.03 10.71 0.00 78.34 14:38:01 7 3.27 0.00 0.97 29.96 0.00 65.79 14:39:01 all 40.14 0.00 7.37 12.27 0.02 40.20 14:39:01 0 41.35 0.00 7.03 6.31 0.03 45.28 14:39:01 1 40.19 0.00 7.39 8.87 0.02 43.53 14:39:01 2 38.99 0.00 6.85 18.47 0.02 35.67 14:39:01 3 38.42 0.00 8.16 11.69 0.02 41.72 14:39:01 4 40.98 0.00 7.18 10.89 0.02 40.93 14:39:01 5 39.24 0.00 7.63 9.39 0.03 43.71 14:39:01 6 43.02 0.00 6.85 26.48 0.02 23.64 14:39:01 7 38.94 0.00 7.89 6.05 0.02 47.10 14:40:01 all 5.65 0.21 2.62 8.05 0.02 83.45 14:40:01 0 3.17 0.86 3.67 1.14 0.02 91.15 14:40:01 1 4.46 0.00 2.69 17.40 0.02 75.43 14:40:01 2 5.37 0.00 2.47 0.29 0.02 91.85 14:40:01 3 7.92 0.82 2.32 0.60 0.03 88.30 14:40:01 4 5.41 0.00 2.42 7.29 0.02 84.86 14:40:01 5 6.74 0.00 1.71 0.78 0.02 90.76 14:40:01 6 6.66 0.00 2.71 15.43 0.03 75.16 14:40:01 7 5.44 0.00 2.93 21.61 0.03 69.98 14:41:01 all 9.94 0.00 1.58 1.57 0.02 86.89 14:41:01 0 5.39 0.00 1.47 0.59 0.03 92.52 14:41:01 1 7.11 0.00 1.30 1.05 0.02 90.52 14:41:01 2 14.70 0.00 1.32 0.45 0.03 83.50 14:41:01 3 14.22 0.00 1.97 2.11 0.02 81.68 14:41:01 4 13.84 0.00 1.44 3.12 0.02 81.58 14:41:01 5 6.55 0.00 1.47 0.67 0.02 91.29 14:41:01 6 5.96 0.00 1.54 3.26 0.03 89.20 14:41:01 7 11.78 0.00 2.12 1.34 0.03 84.72 Average: all 15.64 0.11 3.15 13.22 0.02 67.86 Average: 0 14.49 0.11 3.28 10.07 0.02 72.04 Average: 1 15.03 0.00 3.08 16.12 0.01 65.76 Average: 2 15.77 0.00 3.08 12.86 0.01 68.27 Average: 3 15.92 0.75 3.37 12.91 0.02 67.03 Average: 4 15.85 0.00 3.00 23.68 0.01 57.45 Average: 5 15.29 0.00 3.06 9.77 0.02 71.86 Average: 6 17.05 0.00 3.02 11.40 0.02 68.52 Average: 7 15.74 0.00 3.33 8.98 0.02 71.93