---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-4444 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 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/fc4e2e4efb5ba23df0cfd1d4add1dd6a63ba5de7788e08739651e0b050ff3b9b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4f63a12e813f0c1b56562bb5caab445bcac60c9f0f78fd92c1c14123aa71db2b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6a06fd2c09bf5175bd09a2ec0f576c9fb3c395fde09327a6e4380059206b1c13/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a12d54ab37012455077b148498343ab42a7edeb792ed6dbde46f05b0e76f3818/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/cd1e4258e8c66a3d7a3ba59ff63ac5f0ba5aa5f8a312c777b28ea6cf8fb1f72b/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1540 24168 1 6458 30170 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:e0:f4:af brd ff:ff:ff:ff:ff:ff inet 10.30.107.197/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86073sec preferred_lft 86073sec inet6 fe80::f816:3eff:fee0:f4af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:47:e5:3e 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:ddff:fe47:e53e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4a:e9:df:09:ca:91 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::48e9:dfff:fe09:ca91/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ba:ad:2d:a8:6d:a5 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::b8ad:2dff:fea8:6da5/64 scope link valid_lft forever preferred_lft forever 6: vethdf52dfb3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b6:bb:5d:f1:7e:9c brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::b4bb:5dff:fef1:7e9c/64 scope link valid_lft forever preferred_lft forever 7: veth6912e9d9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:5b:c1:75:d6:d9 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::605b:c1ff:fe75:d6d9/64 scope link valid_lft forever preferred_lft forever 8: vethf6f0ac3d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:39:c6:ab:54:d0 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::d839:c6ff:feab:54d0/64 scope link valid_lft forever preferred_lft forever 13: veth0824bebe@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:f7:fd:d8:48:0d brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::84f7:fdff:fed8:480d/64 scope link valid_lft forever preferred_lft forever 14: vethfb509c1a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:69:5f:d8:d5:de brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::e869:5fff:fed8:d5de/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-4444) 10/23/26 _x86_64_ (8 CPU) 07:47:53 LINUX RESTART (8 CPU) 07:48:01 tps rtps wtps bread/s bwrtn/s 07:49:01 399.60 132.66 266.94 7950.27 142087.25 07:50:01 366.09 3.53 362.56 393.67 146549.84 07:51:01 128.68 3.08 125.60 426.33 47999.87 07:52:01 183.34 18.58 164.76 771.20 75036.43 07:53:01 106.82 2.65 104.17 97.72 11856.29 Average: 236.90 32.10 204.80 1927.84 84705.94 07:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:49:01 29311664 31347444 3627556 11.01 50668 2289372 2127504 6.46 1545600 1758696 121356 07:50:01 25575404 31023104 7363816 22.36 120272 5415260 2953384 8.97 2685120 4067200 1057172 07:51:01 26962320 31103296 5976900 18.15 121656 4226636 2391544 7.26 2032800 3458972 80 07:52:01 25274876 30933364 7664344 23.27 129928 5681196 3260276 9.90 2466568 4643640 24340 07:53:01 24785784 30921636 8153436 24.75 140364 6099404 3279760 9.96 2497116 5048992 220408 Average: 26382010 31065769 6557210 19.91 112578 4742374 2802494 8.51 2245441 3795500 284671 07:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:49:01 ens3 488.39 363.12 4506.12 81.08 0.00 0.00 0.00 0.00 07:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 lo 112.80 112.80 43.65 43.65 0.00 0.00 0.00 0.00 07:50:01 ens3 527.60 300.60 8084.41 28.69 0.00 0.00 0.00 0.00 07:50:01 vethfb509c1a 5.60 4.82 1.11 1.82 0.00 0.00 0.00 0.00 07:50:01 vethdf52dfb3 0.55 1.63 0.09 0.22 0.00 0.00 0.00 0.00 07:50:01 cni0 39.64 39.11 21.33 92.52 0.00 0.00 0.90 0.00 07:51:01 ens3 10.08 6.90 19.30 1.08 0.00 0.00 0.00 0.00 07:51:01 vethfb509c1a 1.45 1.62 0.12 0.20 0.00 0.00 0.00 0.00 07:51:01 vethdf52dfb3 0.15 0.18 0.01 0.02 0.00 0.00 0.00 0.00 07:51:01 cni0 11.66 13.08 2.34 1.45 0.00 0.00 0.07 0.00 07:52:01 ens3 298.62 165.66 6083.91 17.84 0.00 0.00 0.00 0.00 07:52:01 vethfb509c1a 1.62 1.80 0.14 0.41 0.00 0.00 0.00 0.00 07:52:01 vethdf52dfb3 0.15 0.28 0.01 0.03 0.00 0.00 0.00 0.00 07:52:01 cni0 12.15 13.50 2.42 1.98 0.00 0.00 0.17 0.00 07:53:01 ens3 102.70 66.56 1663.62 11.53 0.00 0.00 0.00 0.00 07:53:01 vethfb509c1a 1.43 1.53 0.12 0.19 0.00 0.00 0.00 0.00 07:53:01 vethdf52dfb3 0.13 0.15 0.01 0.02 0.00 0.00 0.00 0.00 07:53:01 cni0 11.91 13.01 2.40 1.46 0.00 0.00 0.03 0.00 Average: ens3 285.48 180.57 4071.47 28.04 0.00 0.00 0.00 0.00 Average: vethfb509c1a 2.02 1.95 0.30 0.53 0.00 0.00 0.00 0.00 Average: vethdf52dfb3 0.20 0.45 0.02 0.06 0.00 0.00 0.00 0.00 Average: cni0 15.07 15.74 5.70 19.48 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4444) 10/23/26 _x86_64_ (8 CPU) 07:47:53 LINUX RESTART (8 CPU) 07:48:01 CPU %user %nice %system %iowait %steal %idle 07:49:01 all 9.83 0.63 2.79 2.75 0.01 83.99 07:49:01 0 8.89 0.00 2.67 0.38 0.00 88.05 07:49:01 1 13.51 0.02 2.84 0.65 0.00 82.98 07:49:01 2 13.49 0.00 4.61 5.42 0.00 76.48 07:49:01 3 8.30 1.46 2.80 1.86 0.00 85.58 07:49:01 4 7.78 0.00 1.91 2.71 0.00 87.60 07:49:01 5 12.99 0.00 2.55 3.93 0.00 80.53 07:49:01 6 7.91 0.00 2.36 0.84 0.00 88.90 07:49:01 7 5.80 3.56 2.55 6.24 0.00 81.85 07:50:01 all 46.88 0.00 8.34 1.62 0.01 43.15 07:50:01 0 47.55 0.00 7.89 1.40 0.02 43.14 07:50:01 1 47.38 0.00 7.28 0.62 0.02 44.70 07:50:01 2 45.60 0.00 8.79 3.61 0.00 41.99 07:50:01 3 47.62 0.00 8.54 2.42 0.03 41.39 07:50:01 4 47.15 0.00 8.33 0.74 0.00 43.78 07:50:01 5 47.87 0.00 8.20 1.69 0.02 42.22 07:50:01 6 45.49 0.00 9.09 0.67 0.00 44.75 07:50:01 7 46.37 0.00 8.54 1.87 0.03 43.18 07:51:01 all 44.26 0.00 6.60 0.47 0.02 48.65 07:51:01 0 44.30 0.00 6.14 0.00 0.00 49.56 07:51:01 1 41.57 0.00 5.87 1.29 0.00 51.27 07:51:01 2 41.98 0.00 6.12 0.03 0.02 51.85 07:51:01 3 42.91 0.00 7.06 0.07 0.02 49.94 07:51:01 4 46.11 0.00 7.02 2.30 0.05 44.52 07:51:01 5 40.62 0.00 7.94 0.02 0.00 51.43 07:51:01 6 48.97 0.00 6.39 0.00 0.02 44.63 07:51:01 7 47.64 0.00 6.24 0.02 0.00 46.10 07:52:01 all 8.50 0.25 3.99 0.92 0.01 86.33 07:52:01 0 8.80 0.00 3.71 0.45 0.02 87.02 07:52:01 1 6.95 0.00 4.03 0.24 0.02 88.77 07:52:01 2 6.52 0.00 4.40 1.96 0.00 87.12 07:52:01 3 10.01 0.00 4.14 1.25 0.02 84.58 07:52:01 4 11.06 1.26 5.19 1.89 0.02 80.59 07:52:01 5 8.63 0.00 3.73 0.07 0.02 87.55 07:52:01 6 8.70 0.71 3.36 1.33 0.00 85.92 07:52:01 7 7.27 0.00 3.39 0.20 0.02 89.12 07:53:01 all 11.37 0.00 1.24 0.62 0.01 86.76 07:53:01 0 17.17 0.00 1.93 0.47 0.00 80.43 07:53:01 1 4.09 0.00 0.78 0.70 0.00 94.42 07:53:01 2 18.44 0.00 1.54 1.62 0.02 78.38 07:53:01 3 7.94 0.00 0.89 0.20 0.00 90.97 07:53:01 4 10.47 0.00 0.97 0.55 0.00 88.01 07:53:01 5 8.48 0.00 1.19 0.20 0.00 90.12 07:53:01 6 10.15 0.00 0.92 0.70 0.02 88.21 07:53:01 7 14.21 0.00 1.67 0.55 0.02 83.55 Average: all 24.14 0.18 4.59 1.28 0.01 69.81 Average: 0 25.30 0.00 4.46 0.54 0.01 69.69 Average: 1 22.68 0.00 4.16 0.70 0.01 72.45 Average: 2 25.19 0.00 5.09 2.53 0.01 67.19 Average: 3 23.32 0.29 4.68 1.16 0.01 70.54 Average: 4 24.46 0.25 4.68 1.64 0.01 68.96 Average: 5 23.70 0.00 4.72 1.18 0.01 70.40 Average: 6 24.21 0.14 4.42 0.71 0.01 70.51 Average: 7 24.26 0.71 4.48 1.78 0.01 68.77