---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6400 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: 2800.012 BogoMIPS: 5600.02 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/0c445b12649299edf31f19ac1198f4d437fdcd11db84e89b0d87cb6907e4b6f4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/20ff06c55c26585b8c13d99d415cf4ea98d6760f77ca16db2abc03684cd507f8/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/30fe7074e69eb3d91d90c5f11fbfbe656b14438481d5ed890b08e1b3f1386504/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0479a56b58f05e12b584035933ae2475c325db72a66aaa10503dc0ef9ce5f296/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3a23531c5aa6635f4e96f81be7ac875e5f6014f29ffb48d736f137e651b182d9/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1512 24010 1 6644 30198 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:b8:70:29 brd ff:ff:ff:ff:ff:ff inet 10.30.106.63/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:feb8:7029/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:73:0d:0a:8a 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::42:73ff:fe0d:a8a/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether d2:ff:c2:55:25:0b 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::d0ff:c2ff:fe55:250b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether a6:08:f3:c6:4b:0b 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::a408:f3ff:fec6:4b0b/64 scope link valid_lft forever preferred_lft forever 6: veth4ec91b7a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2e:a6:69:99:25:ba brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::2ca6:69ff:fe99:25ba/64 scope link valid_lft forever preferred_lft forever 7: veth3221aafa@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:3e:82:76:e0:d7 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::3c3e:82ff:fe76:e0d7/64 scope link valid_lft forever preferred_lft forever 10: veth7866aa84@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:fa:36:0a:d5:51 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::fa:36ff:fe0a:d551/64 scope link valid_lft forever preferred_lft forever 11: veth4cc3b937@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:5c:90:56:1a:6a brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::185c:90ff:fe56:1a6a/64 scope link valid_lft forever preferred_lft forever 12: veth68365b61@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:30:4f:e9:d2:6e brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::5430:4fff:fee9:d26e/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-6400) 10/30/26 _x86_64_ (8 CPU) 06:20:21 LINUX RESTART (8 CPU) 06:21:01 tps rtps wtps bread/s bwrtn/s 06:22:01 420.90 82.70 338.19 3653.79 172688.02 06:23:01 149.86 0.00 149.86 0.00 54402.93 06:24:01 132.76 3.47 129.30 477.52 84905.98 06:25:01 116.13 20.38 95.75 756.01 36815.46 06:26:01 734.40 647.36 87.04 5320.73 10711.38 Average: 309.44 149.17 160.26 2030.97 72103.22 06:21:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:22:01 26543500 30918728 6395720 19.42 119560 4373508 2900092 8.80 2222104 3591948 515080 06:23:01 25677132 31027588 7262088 22.05 125788 5295224 2840788 8.62 2682464 3950200 517800 06:24:01 26527348 31112052 6411872 19.47 130008 4637720 2656044 8.06 2210868 3688552 10788 06:25:01 25063600 30819900 7875620 23.91 140528 5749896 3493956 10.61 2617668 4681556 94976 06:26:01 24544980 30887764 8394240 25.48 298488 6075696 3427540 10.41 2716528 4995400 204060 Average: 25671312 30953206 7267908 22.06 162874 5226409 3063684 9.30 2489926 4181531 268541 06:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:22:01 veth68365b61 5.18 4.45 1.08 1.87 0.00 0.00 0.00 0.00 06:22:01 lo 222.43 222.43 172.63 172.63 0.00 0.00 0.00 0.00 06:22:01 veth7866aa84 0.50 1.27 0.09 0.20 0.00 0.00 0.00 0.00 06:22:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 veth68365b61 1.48 1.62 0.13 0.20 0.00 0.00 0.00 0.00 06:23:01 lo 12.30 12.30 3.72 3.72 0.00 0.00 0.00 0.00 06:23:01 veth7866aa84 0.10 0.20 0.01 0.02 0.00 0.00 0.00 0.00 06:23:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:24:01 veth68365b61 1.47 1.57 0.12 0.19 0.00 0.00 0.00 0.00 06:24:01 lo 14.80 14.80 4.07 4.07 0.00 0.00 0.00 0.00 06:24:01 veth7866aa84 0.12 0.17 0.01 0.02 0.00 0.00 0.00 0.00 06:24:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:25:01 veth68365b61 1.58 1.83 0.13 0.41 0.00 0.00 0.00 0.00 06:25:01 lo 43.31 43.31 17.14 17.14 0.00 0.00 0.00 0.00 06:25:01 veth7866aa84 0.10 0.18 0.01 0.02 0.00 0.00 0.00 0.00 06:25:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:26:01 veth68365b61 1.47 1.58 0.12 0.20 0.00 0.00 0.00 0.00 06:26:01 lo 20.16 20.16 5.00 5.00 0.00 0.00 0.00 0.00 06:26:01 veth7866aa84 0.12 0.14 0.01 0.02 0.00 0.00 0.00 0.00 06:26:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth68365b61 2.24 2.21 0.32 0.58 0.00 0.00 0.00 0.00 Average: lo 62.74 62.74 40.63 40.63 0.00 0.00 0.00 0.00 Average: veth7866aa84 0.19 0.39 0.02 0.06 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-6400) 10/30/26 _x86_64_ (8 CPU) 06:20:21 LINUX RESTART (8 CPU) 06:21:01 CPU %user %nice %system %iowait %steal %idle 06:22:01 all 16.11 0.74 5.66 2.61 0.01 74.87 06:22:01 0 15.42 3.02 5.75 1.42 0.02 74.38 06:22:01 1 14.20 0.02 5.69 3.37 0.00 76.72 06:22:01 2 16.48 0.00 6.13 0.57 0.00 76.82 06:22:01 3 15.61 0.00 4.59 2.64 0.00 77.16 06:22:01 4 13.47 0.00 5.16 1.74 0.00 79.62 06:22:01 5 24.69 1.46 5.89 4.06 0.00 63.90 06:22:01 6 14.66 0.00 6.35 3.90 0.00 75.09 06:22:01 7 14.31 1.36 5.75 3.24 0.00 75.34 06:23:01 all 50.90 0.00 6.64 0.34 0.02 42.10 06:23:01 0 55.13 0.00 7.15 0.12 0.02 37.59 06:23:01 1 49.13 0.00 7.63 2.43 0.02 40.79 06:23:01 2 54.95 0.00 6.81 0.03 0.02 38.19 06:23:01 3 49.72 0.00 5.58 0.08 0.02 44.60 06:23:01 4 49.68 0.00 6.24 0.02 0.02 44.05 06:23:01 5 48.47 0.00 6.22 0.00 0.02 45.29 06:23:01 6 48.26 0.00 6.71 0.02 0.02 45.00 06:23:01 7 51.84 0.00 6.78 0.07 0.02 41.30 06:24:01 all 41.60 0.20 8.57 0.82 0.02 48.79 06:24:01 0 39.91 0.00 8.66 1.48 0.02 49.94 06:24:01 1 39.78 0.00 8.71 1.85 0.02 49.65 06:24:01 2 41.61 0.00 8.68 0.10 0.02 49.59 06:24:01 3 40.48 0.00 7.59 1.47 0.00 50.47 06:24:01 4 45.10 0.00 8.05 0.08 0.02 46.75 06:24:01 5 43.96 0.00 10.30 0.49 0.07 45.18 06:24:01 6 41.73 1.62 8.63 0.12 0.02 47.89 06:24:01 7 40.23 0.00 7.96 0.99 0.02 50.80 06:25:01 all 8.93 0.00 2.73 0.74 0.01 87.59 06:25:01 0 9.26 0.00 2.96 0.49 0.00 87.29 06:25:01 1 5.90 0.00 2.89 0.55 0.00 90.65 06:25:01 2 11.78 0.00 2.23 0.12 0.02 85.85 06:25:01 3 12.24 0.00 2.67 0.47 0.02 84.60 06:25:01 4 8.54 0.00 3.06 1.77 0.00 86.64 06:25:01 5 7.06 0.00 2.52 0.34 0.00 90.08 06:25:01 6 6.45 0.00 2.21 0.52 0.00 90.81 06:25:01 7 10.26 0.00 3.30 1.67 0.00 84.77 06:26:01 all 12.40 0.00 1.90 1.86 0.01 83.82 06:26:01 0 16.35 0.00 2.07 1.58 0.02 79.98 06:26:01 1 12.85 0.00 1.91 0.67 0.02 84.55 06:26:01 2 6.25 0.00 1.56 0.25 0.00 91.93 06:26:01 3 20.65 0.00 2.04 0.12 0.00 77.20 06:26:01 4 10.09 0.00 1.46 0.15 0.02 88.28 06:26:01 5 10.73 0.00 3.12 11.65 0.02 74.49 06:26:01 6 10.28 0.00 1.78 0.15 0.02 87.77 06:26:01 7 12.03 0.00 1.28 0.36 0.02 86.32 Average: all 26.01 0.19 5.11 1.28 0.01 67.40 Average: 0 27.23 0.61 5.32 1.02 0.01 65.82 Average: 1 24.36 0.00 5.37 1.77 0.01 68.49 Average: 2 26.26 0.00 5.09 0.22 0.01 68.43 Average: 3 27.74 0.00 4.50 0.96 0.01 66.80 Average: 4 25.41 0.00 4.80 0.75 0.01 69.03 Average: 5 27.03 0.29 5.62 3.28 0.02 63.75 Average: 6 24.30 0.33 5.14 0.94 0.01 69.28 Average: 7 25.78 0.27 5.03 1.27 0.01 67.64