---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1120 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: 2799.974 BogoMIPS: 5599.94 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/278015ddbb4fbbd4702bc939462904d3ad6d50965c37bd2f30a1cd9f3581affa/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8765a5f752ff5258d90adb3dba0742d070056457727ff8e9e13d5e0c007b9521/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/7f7d87f3b4f96723e23219112744b4e83ec9aa08ea59506ea1b676f5a33ece45/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1394c6b4aade7e6c1b5c28bb9efbad261078fefcb15743d170075151b9012843/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a149e1c62e3ac13eec4cf11e969eeb2241e788afdd1c7af89b766c4127a99c1c/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1553 24161 1 6452 30157 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:00:ca:57 brd ff:ff:ff:ff:ff:ff inet 10.30.106.205/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe00:ca57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:db:79:30 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::42:56ff:fedb:7930/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 6e:a6:b5:42:c8:b3 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::6ca6:b5ff:fe42:c8b3/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 1a:a6:f0:d3:09:4c 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::18a6:f0ff:fed3:94c/64 scope link valid_lft forever preferred_lft forever 7: veth7ba0b0d1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:74:55:05:90:7b brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f074:55ff:fe05:907b/64 scope link valid_lft forever preferred_lft forever 9: veth2dd51863@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 06:42:6e:c4:43:4f brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::442:6eff:fec4:434f/64 scope link valid_lft forever preferred_lft forever 10: veth9fca01b7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:bb:de:67:22:8d brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::d8bb:deff:fe67:228d/64 scope link valid_lft forever preferred_lft forever 13: vethda6be7c2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:9e:ca:1d:f5:42 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::189e:caff:fe1d:f542/64 scope link valid_lft forever preferred_lft forever 14: vethbeda6459@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 6e:c9:0e:8b:22:0f brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::6cc9:eff:fe8b:220f/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-1120) 07/20/26 _x86_64_ (8 CPU) 05:55:51 LINUX RESTART (8 CPU) 05:56:01 tps rtps wtps bread/s bwrtn/s 05:57:00 546.23 133.18 413.05 7928.81 159305.85 05:58:01 434.01 2.93 431.07 355.56 131788.00 05:59:01 127.78 3.28 124.50 441.53 44731.34 06:00:01 170.84 20.36 150.47 760.41 72816.26 06:01:01 109.58 1.13 108.45 73.19 11041.76 Average: 278.21 32.08 246.13 1906.68 84097.18 05:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:57:00 27863008 31119532 5076212 15.41 72064 3452984 2685392 8.15 1846704 2814184 1026812 05:58:01 25448996 30742636 7490224 22.74 140480 5237708 3786568 11.50 2898964 3976448 881588 05:59:01 26767492 31038272 6171728 18.74 142476 4339792 2754748 8.36 2239452 3452856 179720 06:00:01 25208168 30896532 7731052 23.47 151412 5686188 3312848 10.06 2532000 4641860 52748 06:01:01 24780284 30916564 8158936 24.77 157988 6086072 3315876 10.07 2523824 5034884 253332 Average: 26013590 30942707 6925630 21.03 132884 4960549 3171086 9.63 2408189 3984046 478840 05:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:57:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:00 veth784858d7 1.43 1.92 0.18 3.60 0.00 0.00 0.00 0.00 05:57:00 ens3 723.81 487.65 10117.56 93.65 0.00 0.00 0.00 0.00 05:57:00 vethbdfb4ace 4.82 5.45 0.50 11.34 0.00 0.00 0.00 0.00 05:58:01 docker0 199.34 232.78 14.32 1581.43 0.00 0.00 0.00 0.00 05:58:01 ens3 313.39 240.59 2464.28 21.97 0.00 0.00 0.00 0.00 05:58:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 veth508ace4 199.34 232.92 17.04 1581.45 0.00 0.00 0.00 0.13 05:59:01 docker0 8.22 11.10 0.52 19.24 0.00 0.00 0.00 0.00 05:59:01 ens3 26.00 15.66 202.02 2.15 0.00 0.00 0.00 0.00 05:59:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 cni0 54.22 54.54 24.42 94.37 0.00 0.00 0.97 0.00 06:00:01 docker0 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 06:00:01 ens3 232.21 144.53 6097.08 16.83 0.00 0.00 0.00 0.00 06:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 cni0 12.40 13.63 2.43 1.99 0.00 0.00 0.17 0.00 06:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 ens3 94.70 69.77 1531.30 13.10 0.00 0.00 0.00 0.00 06:01:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 cni0 11.88 13.28 2.39 1.48 0.00 0.00 0.00 0.00 Average: docker0 42.04 49.41 3.01 324.37 0.00 0.00 0.00 0.00 Average: ens3 278.14 191.81 4077.02 29.51 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 15.65 16.24 5.83 19.50 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1120) 07/20/26 _x86_64_ (8 CPU) 05:55:51 LINUX RESTART (8 CPU) 05:56:01 CPU %user %nice %system %iowait %steal %idle 05:57:00 all 12.83 0.58 4.04 4.49 0.05 78.01 05:57:00 0 9.69 1.52 3.14 14.64 0.05 70.96 05:57:00 1 11.16 0.00 4.06 9.67 0.05 75.06 05:57:00 2 14.40 0.00 3.61 0.94 0.07 80.99 05:57:00 3 19.07 0.00 4.51 3.70 0.05 72.66 05:57:00 4 12.65 0.00 3.27 1.02 0.05 83.02 05:57:00 5 11.04 0.00 5.53 3.59 0.05 79.80 05:57:00 6 13.05 0.00 4.55 1.23 0.07 81.11 05:57:00 7 11.62 3.11 3.58 1.16 0.05 80.49 05:58:01 all 32.75 0.00 5.34 2.58 0.09 59.24 05:58:01 0 31.20 0.00 5.42 1.72 0.10 61.56 05:58:01 1 32.77 0.00 5.68 2.48 0.10 58.97 05:58:01 2 33.86 0.00 5.09 1.33 0.08 59.63 05:58:01 3 30.14 0.00 5.03 3.77 0.10 60.97 05:58:01 4 33.36 0.00 5.53 2.91 0.10 58.11 05:58:01 5 32.29 0.00 6.35 5.41 0.10 55.85 05:58:01 6 34.48 0.00 4.68 1.54 0.08 59.22 05:58:01 7 33.88 0.00 4.93 1.43 0.08 59.68 05:59:01 all 38.77 0.22 5.81 0.55 0.09 54.55 05:59:01 0 36.20 0.00 5.36 0.55 0.08 57.80 05:59:01 1 44.23 0.00 7.14 0.72 0.10 47.80 05:59:01 2 42.60 0.00 6.17 0.32 0.08 50.83 05:59:01 3 35.24 0.00 4.90 0.19 0.08 59.59 05:59:01 4 39.86 0.72 5.47 0.02 0.08 53.84 05:59:01 5 36.20 1.03 6.12 2.40 0.10 54.15 05:59:01 6 36.41 0.00 5.33 0.07 0.10 58.09 05:59:01 7 39.37 0.00 6.03 0.18 0.10 54.31 06:00:01 all 8.44 0.00 3.00 0.97 0.07 87.52 06:00:01 0 14.39 0.00 3.49 1.48 0.08 80.56 06:00:01 1 8.93 0.00 2.75 0.25 0.07 88.00 06:00:01 2 7.88 0.00 2.78 0.29 0.07 88.98 06:00:01 3 7.85 0.00 2.37 0.10 0.07 89.61 06:00:01 4 6.75 0.00 2.32 0.37 0.07 90.49 06:00:01 5 6.44 0.00 4.04 1.27 0.08 88.16 06:00:01 6 8.16 0.00 2.62 0.37 0.03 88.82 06:00:01 7 7.10 0.00 3.64 3.63 0.07 85.56 06:01:01 all 11.11 0.00 1.25 0.47 0.06 87.11 06:01:01 0 7.00 0.00 1.25 0.65 0.07 91.03 06:01:01 1 14.57 0.00 1.62 0.32 0.07 83.43 06:01:01 2 11.55 0.00 0.87 0.18 0.07 87.34 06:01:01 3 14.65 0.00 1.20 0.20 0.05 83.90 06:01:01 4 4.04 0.00 0.96 0.45 0.07 94.47 06:01:01 5 20.83 0.00 1.81 0.79 0.07 76.51 06:01:01 6 4.93 0.00 0.87 0.03 0.08 94.08 06:01:01 7 11.26 0.00 1.41 1.10 0.07 86.16 Average: all 20.80 0.16 3.89 1.81 0.07 73.26 Average: 0 19.70 0.30 3.73 3.81 0.08 72.37 Average: 1 22.35 0.00 4.25 2.68 0.08 70.63 Average: 2 22.08 0.00 3.71 0.61 0.07 73.53 Average: 3 21.39 0.00 3.60 1.60 0.07 73.35 Average: 4 19.39 0.14 3.52 0.96 0.07 75.91 Average: 5 21.37 0.20 4.77 2.70 0.08 70.87 Average: 6 19.46 0.00 3.61 0.65 0.07 76.21 Average: 7 20.68 0.62 3.92 1.50 0.07 73.21