---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6211 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: 2799.996 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 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/fc7f244259729eb205130b041199f28ac9e39b89405530b67ab14e0bcd1bca1b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2abcecd2f6196b11ff2888177e6ff259e9cb1a15e736fd19b1ebf34f2876eb2e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/663a0e275b65423ee0aec85dd005484e6777684a60cde42c9809c4769ac96069/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3b36a9852794239fa05beabb99b3099fb76bec78886f64ff08a0ac55a174a1b2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4b86cdb7f4e44088c94389d67e2c3cacc449b4663f7ba6fde010597bdac33eb9/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1533 24165 1 6468 30176 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:bc:0e:d7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.236/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:febc:ed7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f6:db:03:27 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:f6ff:fedb:327/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 7e:59:8a:25:6f:dd 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::7c59:8aff:fe25:6fdd/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 0e:84:01:ca:3d:9c 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::c84:1ff:feca:3d9c/64 scope link valid_lft forever preferred_lft forever 8: veth54c73810@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:11:39:b0:39:dd brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e011:39ff:feb0:39dd/64 scope link valid_lft forever preferred_lft forever 9: vethd90f7703@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ca:55:63:e6:94:41 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c855:63ff:fee6:9441/64 scope link valid_lft forever preferred_lft forever 10: vethf38e00be@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:61:ab:12:0a:64 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::1861:abff:fe12:a64/64 scope link valid_lft forever preferred_lft forever 13: veth0cfc0fff@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:4b:38:66:b4:5b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::444b:38ff:fe66:b45b/64 scope link valid_lft forever preferred_lft forever 14: veth5bf89dbc@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 92:82:26:bf:7e:9c brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::9082:26ff:febf:7e9c/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-6211) 10/29/26 _x86_64_ (8 CPU) 12:51:23 LINUX RESTART (8 CPU) 12:52:01 tps rtps wtps bread/s bwrtn/s 12:53:01 454.32 124.83 329.50 6912.71 85544.81 12:54:01 260.19 2.40 257.79 350.87 117561.61 12:55:01 170.59 3.90 166.69 454.32 93790.37 12:56:01 174.05 20.31 153.74 777.87 73663.59 12:57:01 94.60 0.75 93.85 78.91 11144.95 Average: 230.75 30.44 200.31 1714.88 76338.89 12:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:53:01 27874632 31143792 5064588 15.38 72192 3464784 2704464 8.21 1820088 2827068 1055148 12:54:01 25351720 30852012 7587500 23.03 120816 5463288 3076584 9.34 2875236 4092524 1102200 12:55:01 26796512 31051640 6142708 18.65 122292 4339952 2741616 8.32 2145144 3507952 150380 12:56:01 25235296 30927940 7703924 23.39 131548 5709788 3287768 9.98 2472512 4669776 36208 12:57:01 24767608 30913560 8171612 24.81 140672 6108532 3317136 10.07 2503920 5055748 225620 Average: 26005154 30977789 6934066 21.05 117504 5017269 3025514 9.19 2363380 4030614 513911 12:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:53:01 ens3 735.44 509.90 10144.32 93.88 0.00 0.00 0.00 0.00 12:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:53:01 lo 168.47 168.47 90.21 90.21 0.00 0.00 0.00 0.00 12:53:01 vethf38e00be 1.13 1.37 0.20 0.69 0.00 0.00 0.00 0.00 12:54:01 ens3 361.57 232.06 2408.43 20.52 0.00 0.00 0.00 0.00 12:54:01 docker0 202.48 312.81 13.72 1515.02 0.00 0.00 0.00 0.00 12:54:01 veth6072da2 202.48 312.96 16.49 1515.03 0.00 0.00 0.00 0.12 12:54:01 lo 62.17 62.17 83.64 83.64 0.00 0.00 0.00 0.00 12:55:01 ens3 25.95 14.80 192.94 6.66 0.00 0.00 0.00 0.00 12:55:01 docker0 0.67 0.67 0.05 0.44 0.00 0.00 0.00 0.00 12:55:01 lo 12.55 12.55 3.78 3.78 0.00 0.00 0.00 0.00 12:55:01 vethf38e00be 16.05 19.38 4.87 3.62 0.00 0.00 0.00 0.00 12:56:01 ens3 329.28 179.42 6090.10 19.09 0.00 0.00 0.00 0.00 12:56:01 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 lo 45.24 45.24 17.44 17.44 0.00 0.00 0.00 0.00 12:56:01 vethf38e00be 7.32 8.87 2.16 1.21 0.00 0.00 0.00 0.00 12:57:01 ens3 101.25 60.66 1473.44 10.18 0.00 0.00 0.00 0.00 12:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:57:01 lo 20.04 20.04 4.89 4.89 0.00 0.00 0.00 0.00 12:57:01 vethf38e00be 7.26 8.25 2.14 0.97 0.00 0.00 0.00 0.00 Average: ens3 310.69 199.36 4061.76 30.07 0.00 0.00 0.00 0.00 Average: docker0 40.63 62.70 2.75 303.08 0.00 0.00 0.00 0.00 Average: lo 61.69 61.69 39.99 39.99 0.00 0.00 0.00 0.00 Average: vethf38e00be 6.13 7.30 1.83 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6211) 10/29/26 _x86_64_ (8 CPU) 12:51:23 LINUX RESTART (8 CPU) 12:52:01 CPU %user %nice %system %iowait %steal %idle 12:53:01 all 13.26 0.73 4.06 5.31 0.03 76.62 12:53:01 0 9.10 2.90 3.91 11.37 0.03 72.68 12:53:01 1 11.29 0.02 4.50 7.04 0.03 77.11 12:53:01 2 14.69 0.00 3.66 1.44 0.02 80.20 12:53:01 3 15.71 2.90 4.63 4.55 0.03 72.18 12:53:01 4 17.90 0.00 3.92 9.17 0.05 68.95 12:53:01 5 12.88 0.00 3.86 2.24 0.02 81.01 12:53:01 6 12.22 0.00 3.54 2.10 0.03 82.11 12:53:01 7 12.27 0.00 4.43 4.58 0.03 78.69 12:54:01 all 40.81 0.00 6.17 1.74 0.04 51.24 12:54:01 0 42.34 0.00 6.74 2.98 0.05 47.89 12:54:01 1 40.31 0.00 6.61 4.25 0.05 48.78 12:54:01 2 39.95 0.00 6.73 1.40 0.03 51.90 12:54:01 3 39.36 0.00 5.93 0.66 0.03 54.02 12:54:01 4 40.14 0.00 6.03 1.14 0.03 52.65 12:54:01 5 43.28 0.00 5.94 1.50 0.05 49.23 12:54:01 6 39.62 0.00 5.93 1.20 0.03 53.21 12:54:01 7 41.43 0.00 5.53 0.79 0.05 52.20 12:55:01 all 41.17 0.16 6.15 0.92 0.03 51.57 12:55:01 0 38.21 0.00 5.93 1.77 0.03 54.05 12:55:01 1 42.52 0.00 6.56 0.27 0.02 50.63 12:55:01 2 42.22 0.00 7.21 0.05 0.05 50.47 12:55:01 3 46.77 0.02 6.79 0.00 0.02 46.41 12:55:01 4 38.82 0.00 5.92 0.79 0.02 54.45 12:55:01 5 41.08 0.00 5.81 0.03 0.02 53.06 12:55:01 6 38.96 0.00 5.37 2.00 0.02 53.65 12:55:01 7 40.83 1.21 5.56 2.47 0.02 49.92 12:56:01 all 8.28 0.05 3.23 1.23 0.04 87.17 12:56:01 0 7.20 0.00 3.10 2.37 0.03 87.30 12:56:01 1 7.52 0.00 3.32 0.24 0.03 88.89 12:56:01 2 8.88 0.00 3.14 0.24 0.02 87.73 12:56:01 3 7.29 0.00 3.24 0.12 0.03 89.32 12:56:01 4 7.61 0.00 3.28 4.12 0.03 84.96 12:56:01 5 8.69 0.00 3.88 0.52 0.05 86.86 12:56:01 6 7.76 0.00 2.99 1.61 0.05 87.59 12:56:01 7 11.33 0.41 2.94 0.68 0.03 84.62 12:57:01 all 11.55 0.00 1.30 0.69 0.02 86.45 12:57:01 0 18.52 0.00 1.64 0.38 0.02 79.44 12:57:01 1 5.32 0.00 1.23 0.37 0.03 93.05 12:57:01 2 4.60 0.00 1.00 2.02 0.02 92.36 12:57:01 3 9.37 0.00 1.25 0.15 0.03 89.20 12:57:01 4 9.79 0.00 1.13 0.28 0.02 88.78 12:57:01 5 15.46 0.00 1.37 0.84 0.02 82.32 12:57:01 6 17.14 0.00 1.84 1.15 0.02 79.85 12:57:01 7 12.17 0.00 0.92 0.30 0.02 86.59 Average: all 23.00 0.19 4.18 1.98 0.03 70.63 Average: 0 23.05 0.58 4.26 3.77 0.03 68.30 Average: 1 21.39 0.00 4.44 2.43 0.03 71.69 Average: 2 22.03 0.00 4.34 1.03 0.03 72.57 Average: 3 23.66 0.58 4.36 1.09 0.03 70.28 Average: 4 22.85 0.00 4.05 3.10 0.03 69.97 Average: 5 24.23 0.00 4.17 1.03 0.03 70.54 Average: 6 23.16 0.00 3.93 1.61 0.03 71.26 Average: 7 23.60 0.32 3.87 1.76 0.03 70.41