---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-4761 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 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 2.1M 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 4.0K 3.2G 1% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/185bf9dc8f2ab2b1762b3a06235da807dd554fe56398d48bb2d6006a6d916b74/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/cc967f666a73415225b305459c9996ae92a755bc564f7e22ac2a046d090e1936/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4d7788f0c843a13220df1cf85e460ac9445c19e9ca8da195135f661a7e12d5a7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4503cf9f05e2893c8838802b59c7707d9d13bf3d721b39e3c8e6b641feacdcbd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a904861a6b1b0674a0cf106aed9084b1c4bfa128c8d4d240e7528bfb520976a0/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1196 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1621 24012 2 6532 30088 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:c9:00:87 brd ff:ff:ff:ff:ff:ff inet 10.30.107.251/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86086sec preferred_lft 86086sec inet6 fe80::f816:3eff:fec9:87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c5:d0:77:b6 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:c5ff:fed0:77b6/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 5e:4d:a7:86:94:e2 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::5c4d:a7ff:fe86:94e2/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 7a:e8:b6:d8:cb:19 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::78e8:b6ff:fed8:cb19/64 scope link valid_lft forever preferred_lft forever 6: veth5db6154b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 72:ce:fb:23:39:20 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::70ce:fbff:fe23:3920/64 scope link valid_lft forever preferred_lft forever 7: veth2d99ec1b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:ea:b3:54:27:e6 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::58ea:b3ff:fe54:27e6/64 scope link valid_lft forever preferred_lft forever 9: veth4e7b67e7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c2:95:9c:59:33:9f brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c095:9cff:fe59:339f/64 scope link valid_lft forever preferred_lft forever 13: veth0752166a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:90:b4:49:d2:94 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::9490:b4ff:fe49:d294/64 scope link valid_lft forever preferred_lft forever 14: veth006b2d1f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:56:f6:17:f6:ad brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::2056:f6ff:fe17:f6ad/64 scope link valid_lft forever preferred_lft forever 19: br-4216829ece5e: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:5f:bf:31:96 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-4216829ece5e valid_lft forever preferred_lft forever inet6 fe80::42:5fff:febf:3196/64 scope link valid_lft forever preferred_lft forever 21: veth81200fd@if20: mtu 1500 qdisc noqueue master br-4216829ece5e state UP group default link/ether 02:bd:de:63:c9:a1 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::bd:deff:fe63:c9a1/64 scope link valid_lft forever preferred_lft forever 23: vethdd1ab50@if22: mtu 1500 qdisc noqueue master br-4216829ece5e state UP group default link/ether 9a:50:7d:ec:7d:00 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9850:7dff:feec:7d00/64 scope link valid_lft forever preferred_lft forever 25: veth845d430@if24: mtu 1500 qdisc noqueue master br-4216829ece5e state UP group default link/ether 12:5c:30:9e:15:81 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::105c:30ff:fe9e:1581/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4761) 10/23/25 _x86_64_ (8 CPU) 12:40:21 LINUX RESTART (8 CPU) 12:41:02 tps rtps wtps bread/s bwrtn/s 12:42:01 502.25 85.29 416.96 3771.47 165481.26 12:43:01 187.32 0.03 187.29 0.27 77133.68 12:44:01 188.05 5.53 182.52 602.03 99008.97 12:45:01 111.21 20.66 90.55 761.07 9899.95 Average: 246.15 27.64 218.51 1273.41 87559.59 12:41:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:42:01 26635872 31037524 6303348 19.14 124704 4376420 3084896 9.37 2153236 3577484 621956 12:43:01 25416744 30921460 7522476 22.84 130672 5431596 3613196 10.97 2822936 4070200 738940 12:44:01 25245372 30871764 7693848 23.36 146892 5631504 4493700 13.64 2501464 4619836 2556 12:45:01 24704836 30833260 8234384 25.00 184852 6058688 4362296 13.24 2710320 4912236 168492 Average: 25500706 30916002 7438514 22.58 146780 5374552 3888522 11.81 2546989 4294939 382986 12:41:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:42:01 lo 247.10 247.10 278.16 278.16 0.00 0.00 0.00 0.00 12:42:01 docker0 104.54 168.35 8.97 1268.99 0.00 0.00 0.00 0.00 12:42:01 ens3 567.72 359.83 11083.89 36.29 0.00 0.00 0.00 0.00 12:42:01 veth108e1ff 104.54 168.49 10.40 1269.00 0.00 0.00 0.00 0.10 12:43:01 lo 14.76 14.76 4.87 4.87 0.00 0.00 0.00 0.00 12:43:01 docker0 0.58 0.58 0.04 0.66 0.00 0.00 0.00 0.00 12:43:01 ens3 4.18 3.75 1.92 1.73 0.00 0.00 0.00 0.00 12:43:01 veth108e1ff 0.58 0.62 0.05 0.67 0.00 0.00 0.00 0.00 12:44:01 br-4216829ece5e 0.13 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:44:01 lo 16.68 16.68 4.46 4.46 0.00 0.00 0.00 0.00 12:44:01 docker0 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:44:01 ens3 233.91 148.24 6763.82 13.10 0.00 0.00 0.00 0.00 12:45:01 br-4216829ece5e 0.63 0.87 0.13 0.21 0.00 0.00 0.00 0.00 12:45:01 lo 17.05 17.05 4.97 4.97 0.00 0.00 0.00 0.00 12:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:45:01 ens3 130.01 87.25 2459.57 13.75 0.00 0.00 0.00 0.00 Average: br-4216829ece5e 0.19 0.27 0.04 0.06 0.00 0.00 0.00 0.00 Average: lo 73.18 73.18 72.26 72.26 0.00 0.00 0.00 0.00 Average: docker0 25.97 41.73 2.23 313.47 0.00 0.00 0.00 0.00 Average: ens3 232.57 148.90 5052.43 16.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4761) 10/23/25 _x86_64_ (8 CPU) 12:40:21 LINUX RESTART (8 CPU) 12:41:02 CPU %user %nice %system %iowait %steal %idle 12:42:01 all 14.88 0.78 5.50 5.24 0.09 73.51 12:42:01 0 14.51 0.00 6.12 9.83 0.10 69.44 12:42:01 1 15.51 1.01 5.38 5.11 0.10 72.89 12:42:01 2 13.01 1.90 4.73 4.54 0.10 75.72 12:42:01 3 13.53 3.24 6.36 4.68 0.09 72.10 12:42:01 4 12.87 0.03 5.38 3.92 0.09 77.72 12:42:01 5 18.38 0.00 4.99 3.28 0.07 73.28 12:42:01 6 15.49 0.00 5.86 5.72 0.10 72.83 12:42:01 7 15.75 0.00 5.17 4.87 0.09 74.12 12:43:01 all 53.95 0.00 6.68 0.68 0.11 38.59 12:43:01 0 55.57 0.00 6.88 0.00 0.10 37.45 12:43:01 1 52.57 0.00 6.44 0.29 0.10 40.60 12:43:01 2 51.51 0.00 5.97 0.03 0.10 42.39 12:43:01 3 52.66 0.00 6.94 0.19 0.12 40.09 12:43:01 4 54.85 0.00 6.32 0.82 0.12 37.88 12:43:01 5 52.55 0.00 7.24 2.82 0.12 37.27 12:43:01 6 50.66 0.00 6.49 0.62 0.08 42.15 12:43:01 7 61.21 0.00 7.17 0.66 0.10 30.87 12:44:01 all 10.03 0.22 3.88 2.16 0.08 83.63 12:44:01 0 8.24 0.00 3.36 0.40 0.07 87.94 12:44:01 1 8.38 0.13 3.51 0.49 0.10 87.38 12:44:01 2 12.44 0.00 3.24 7.30 0.08 76.93 12:44:01 3 12.49 1.65 4.71 3.46 0.08 77.61 12:44:01 4 10.43 0.00 5.36 1.58 0.08 82.55 12:44:01 5 9.05 0.00 3.72 2.02 0.07 85.14 12:44:01 6 12.37 0.00 3.85 1.83 0.08 81.86 12:44:01 7 6.90 0.00 3.29 0.20 0.10 89.51 12:45:01 all 10.64 0.00 1.61 0.79 0.08 86.88 12:45:01 0 10.20 0.00 1.24 0.52 0.07 87.98 12:45:01 1 7.08 0.00 1.52 0.22 0.05 91.14 12:45:01 2 16.67 0.00 1.91 0.42 0.08 80.92 12:45:01 3 8.49 0.00 2.14 0.07 0.08 89.21 12:45:01 4 4.39 0.00 1.45 0.40 0.08 93.67 12:45:01 5 7.21 0.00 1.17 0.27 0.07 91.28 12:45:01 6 18.62 0.00 2.02 0.58 0.08 78.69 12:45:01 7 12.47 0.00 1.41 3.82 0.07 82.23 Average: all 22.39 0.25 4.41 2.20 0.09 70.66 Average: 0 22.10 0.00 4.38 2.65 0.08 70.79 Average: 1 20.87 0.28 4.20 1.51 0.09 73.05 Average: 2 23.48 0.47 3.96 3.06 0.09 68.94 Average: 3 21.80 1.21 5.03 2.08 0.09 69.79 Average: 4 20.68 0.01 4.62 1.67 0.09 72.93 Average: 5 21.77 0.00 4.27 2.09 0.08 71.79 Average: 6 24.31 0.00 4.55 2.17 0.09 68.88 Average: 7 24.12 0.00 4.25 2.38 0.09 69.16