---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6127 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/9221b21c722a13a7209a1cc8f836509214a09ac487c8e3a17abe7e92cd87e338/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/15bc10798235322a6779dce3d39ea0b1e2a414a97bf2f91dafa2f72ce77d28d9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/83a7ffd5fca92938ceb1c6dd02138fba8143a62524b9c4aefa319a4781e0a4f4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6ae30c9fad6c09ea27af87ec9fdd37fa016122faf224cd4744c3efa18422d864/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a0a096634cab2429c730e92097a66ed3f6d71e2b6a5e567b03cc0e3a2420398d/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1523 24173 1 6469 30186 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:b3:ea:8f brd ff:ff:ff:ff:ff:ff inet 10.30.107.229/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:feb3:ea8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d4:96:f1:34 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:d4ff:fe96:f134/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0e:16:b0:70:37:ad 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::c16:b0ff:fe70:37ad/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 6a:de:72:45:00:f8 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::e8c0:d2ff:feea:78f1/64 scope link valid_lft forever preferred_lft forever 8: vetha9e8f0b2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 6a:de:72:45:00:f8 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::68de:72ff:fe45:f8/64 scope link valid_lft forever preferred_lft forever 11: vetha40be7c9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:4a:d8:2f:a4:16 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::604a:d8ff:fe2f:a416/64 scope link valid_lft forever preferred_lft forever 12: vethf055cd65@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:34:a3:e5:fa:8b brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::8434:a3ff:fee5:fa8b/64 scope link valid_lft forever preferred_lft forever 13: veth3eadcd41@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:ff:fc:cf:6e:57 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::40ff:fcff:fecf:6e57/64 scope link valid_lft forever preferred_lft forever 14: veth1663abed@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 6a:0f:3d:d4:c3:d6 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::680f:3dff:fed4:c3d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6127) 10/29/26 _x86_64_ (8 CPU) 08:52:59 LINUX RESTART (8 CPU) 08:53:01 tps rtps wtps bread/s bwrtn/s 08:54:02 375.32 116.46 258.86 6713.15 150099.92 08:55:01 396.81 22.74 374.08 1743.14 144728.97 08:56:01 75.99 0.02 75.97 0.13 27093.22 08:57:01 211.05 3.93 207.12 543.11 94207.37 08:58:01 96.55 20.36 76.19 759.88 11622.26 Average: 230.59 32.73 197.86 1952.53 85351.98 08:53:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:54:02 29450812 31317328 3488408 10.59 47656 2130368 1877212 5.70 1579516 1608524 2896 08:55:01 25647380 30819516 7291840 22.14 119564 5148272 3342744 10.15 2751568 3933232 766172 08:56:01 24864436 31011272 8074784 24.51 121564 6082820 2854288 8.67 3050172 4381312 1002344 08:57:01 25321948 30945948 7617272 23.13 127108 5651176 3257316 9.89 2352428 4708148 156972 08:58:01 24921636 30878600 8017584 24.34 139056 5939132 3282172 9.96 2538196 4890572 190012 Average: 26041242 30994533 6897978 20.94 110990 4990354 2922746 8.87 2454376 3904358 423679 08:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:54:02 ens3 429.46 301.67 2483.38 80.83 0.00 0.00 0.00 0.00 08:54:02 lo 78.47 78.47 27.50 27.50 0.00 0.00 0.00 0.00 08:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 veth3eadcd41 0.15 0.49 0.01 0.04 0.00 0.00 0.00 0.00 08:55:01 ens3 683.06 372.21 10311.60 36.19 0.00 0.00 0.00 0.00 08:55:01 lo 148.64 148.64 146.75 146.75 0.00 0.00 0.00 0.00 08:55:01 vethf055cd65 2.49 3.27 0.26 0.67 0.00 0.00 0.00 0.00 08:56:01 veth3eadcd41 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:56:01 ens3 1.85 1.23 1.09 0.95 0.00 0.00 0.00 0.00 08:56:01 lo 12.16 12.16 3.73 3.73 0.00 0.00 0.00 0.00 08:56:01 vethf055cd65 2.87 3.38 0.27 0.29 0.00 0.00 0.00 0.00 08:57:01 veth3eadcd41 0.02 0.17 0.00 0.01 0.00 0.00 0.00 0.00 08:57:01 ens3 336.98 175.39 6084.10 16.57 0.00 0.00 0.00 0.00 08:57:01 lo 35.99 35.99 12.89 12.89 0.00 0.00 0.00 0.00 08:57:01 vethf6d1ffa5 0.10 0.17 0.01 0.01 0.00 0.00 0.00 0.00 08:58:01 veth3eadcd41 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 ens3 79.42 50.02 1115.05 9.93 0.00 0.00 0.00 0.00 08:58:01 lo 26.86 26.86 9.18 9.18 0.00 0.00 0.00 0.00 08:58:01 vethf055cd65 11.55 13.43 1.09 1.63 0.00 0.00 0.00 0.00 Average: veth3eadcd41 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: ens3 304.90 179.46 3978.05 28.87 0.00 0.00 0.00 0.00 Average: lo 60.13 60.13 39.65 39.65 0.00 0.00 0.00 0.00 Average: vethf055cd65 2.32 2.70 0.22 0.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6127) 10/29/26 _x86_64_ (8 CPU) 08:52:59 LINUX RESTART (8 CPU) 08:53:01 CPU %user %nice %system %iowait %steal %idle 08:54:02 all 9.30 0.57 2.73 2.25 0.00 85.15 08:54:02 0 9.21 0.00 2.24 0.39 0.00 88.16 08:54:02 1 8.08 0.00 3.16 3.39 0.00 85.37 08:54:02 2 8.21 0.00 2.39 0.47 0.00 88.93 08:54:02 3 7.53 0.00 3.30 5.04 0.00 84.13 08:54:02 4 11.52 1.44 2.46 0.75 0.00 83.82 08:54:02 5 10.93 0.00 3.46 0.45 0.00 85.16 08:54:02 6 10.38 3.10 2.39 3.83 0.00 80.30 08:54:02 7 8.50 0.03 2.44 3.69 0.00 85.33 08:55:01 all 41.20 0.00 8.23 2.05 0.02 48.50 08:55:01 0 40.18 0.00 7.89 0.74 0.02 51.17 08:55:01 1 40.75 0.00 7.88 0.82 0.00 50.54 08:55:01 2 40.70 0.00 8.52 1.74 0.02 49.02 08:55:01 3 41.51 0.00 8.23 3.00 0.02 47.25 08:55:01 4 41.76 0.00 8.17 1.44 0.02 48.61 08:55:01 5 40.34 0.00 9.17 4.27 0.03 46.19 08:55:01 6 42.52 0.00 7.97 1.10 0.02 48.40 08:55:01 7 41.86 0.00 7.98 3.35 0.00 46.81 08:56:01 all 54.23 0.00 7.58 0.21 0.02 37.96 08:56:01 0 51.97 0.00 7.98 0.57 0.02 39.46 08:56:01 1 51.92 0.00 7.21 0.08 0.02 40.77 08:56:01 2 54.79 0.00 7.29 0.00 0.02 37.90 08:56:01 3 57.35 0.00 7.69 0.00 0.02 34.95 08:56:01 4 53.28 0.00 7.63 0.34 0.03 38.72 08:56:01 5 57.39 0.00 7.68 0.61 0.02 34.30 08:56:01 6 53.46 0.00 7.68 0.12 0.00 38.74 08:56:01 7 53.67 0.00 7.51 0.00 0.02 38.80 08:57:01 all 9.95 0.22 4.44 1.09 0.01 84.29 08:57:01 0 9.19 0.00 4.74 0.24 0.02 85.81 08:57:01 1 10.53 1.73 5.35 2.39 0.00 80.00 08:57:01 2 9.88 0.00 4.30 0.30 0.00 85.51 08:57:01 3 9.26 0.00 4.28 1.55 0.02 84.89 08:57:01 4 6.05 0.00 2.97 1.39 0.00 89.59 08:57:01 5 9.99 0.00 5.33 2.05 0.00 82.62 08:57:01 6 9.99 0.00 3.55 0.14 0.02 86.31 08:57:01 7 14.63 0.00 5.06 0.64 0.00 79.67 08:58:01 all 10.48 0.00 1.47 0.58 0.01 87.46 08:58:01 0 7.21 0.00 1.49 0.35 0.00 90.95 08:58:01 1 27.79 0.00 2.61 0.35 0.00 69.26 08:58:01 2 5.89 0.00 1.15 0.32 0.00 92.64 08:58:01 3 6.83 0.00 1.31 1.03 0.00 90.84 08:58:01 4 11.91 0.00 1.31 0.57 0.02 86.19 08:58:01 5 7.80 0.00 1.54 0.28 0.00 90.38 08:58:01 6 14.52 0.00 1.49 0.59 0.02 83.39 08:58:01 7 1.91 0.00 0.87 1.14 0.00 96.09 Average: all 24.94 0.16 4.87 1.23 0.01 68.78 Average: 0 23.46 0.00 4.85 0.46 0.01 71.23 Average: 1 27.75 0.35 5.23 1.41 0.00 65.27 Average: 2 23.80 0.00 4.71 0.56 0.01 70.93 Average: 3 24.42 0.00 4.95 2.12 0.01 68.51 Average: 4 24.84 0.29 4.49 0.90 0.01 69.47 Average: 5 25.18 0.00 5.41 1.52 0.01 67.88 Average: 6 26.09 0.62 4.60 1.16 0.01 67.52 Average: 7 23.99 0.01 4.75 1.76 0.00 69.49