---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-5046 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/657e2a7cd465585e8d6df8fefb2e3dc8abb6dab10ad365ca76abbb06f9b7de52/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9b92531ef52af334fd96a80a9fd4165a21217a2e23c059b7e57935cf4c1614f6/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2f5a5063ee9f91a1101b8d45b77d2dab181a4473c098c8b097953cd3bea2a7d8/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ed6b040b9a2b1b77bad78fb290578454671d1410c77e5847e8b186f2ee110815/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e52a40f967f468d6fe9e4b57c091bc9356757dc7ca95d1a0bc0730a7c3ea1c2f/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1491 24250 1 6425 30218 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:66:7d:57 brd ff:ff:ff:ff:ff:ff inet 10.30.106.232/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86070sec preferred_lft 86070sec inet6 fe80::f816:3eff:fe66:7d57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b1:7e:ea:69 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:b1ff:fe7e:ea69/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 52:2a:b4:ba:c8:a0 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::502a:b4ff:feba:c8a0/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether e6:ee:c5:6c:ce:27 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::e4ee:c5ff:fe6c:ce27/64 scope link valid_lft forever preferred_lft forever 8: vetheb00d4ee@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 32:71:4f:95:0d:ee brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3071:4fff:fe95:dee/64 scope link valid_lft forever preferred_lft forever 9: veth198b4ef6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:35:de:9f:92:1c brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::3c35:deff:fe9f:921c/64 scope link valid_lft forever preferred_lft forever 10: vetha89f081d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:27:09:0b:cf:44 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::3c27:9ff:fe0b:cf44/64 scope link valid_lft forever preferred_lft forever 11: veth5acb8bcc@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3a:52:4c:e7:6b:ef brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::3852:4cff:fee7:6bef/64 scope link valid_lft forever preferred_lft forever 12: vethb94b58c1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:6a:a8:9b:33:e9 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::406a:a8ff:fe9b:33e9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-5046) 11/02/26 _x86_64_ (8 CPU) 12:35:58 LINUX RESTART (8 CPU) 12:36:01 tps rtps wtps bread/s bwrtn/s 12:37:02 267.01 99.13 167.88 6347.08 149555.21 12:38:01 446.13 38.11 408.02 2062.16 152522.08 12:39:01 86.57 0.02 86.55 3.20 50618.10 12:40:01 158.09 3.87 154.22 540.71 86918.45 12:41:01 107.50 20.41 87.09 764.14 9388.57 Average: 212.28 32.29 179.99 1943.21 89592.75 12:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:37:02 29575192 31426956 3364028 10.21 46344 2119176 1777076 5.40 1471160 1600748 4868 12:38:01 25499016 30851420 7440204 22.59 124092 5304768 3588360 10.89 2822116 3991976 958012 12:39:01 25033352 31149984 7905868 24.00 126696 6064516 2643956 8.03 2582568 4703960 329884 12:40:01 25448004 31027292 7491216 22.74 132308 5594876 3462700 10.51 2384344 4549768 808 12:41:01 24890088 30902204 8049132 24.44 143908 5974688 3473512 10.55 2557136 4891972 208444 Average: 26089130 31071571 6850090 20.80 114670 5011605 2989121 9.07 2363465 3947685 300403 12:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:37:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:02 lo 64.33 64.33 19.60 19.60 0.00 0.00 0.00 0.00 12:37:02 ens3 486.60 347.17 2483.74 68.70 0.00 0.00 0.00 0.00 12:38:01 docker0 159.26 229.99 12.05 1526.37 0.00 0.00 0.00 0.00 12:38:01 veth5acb8bcc 0.15 0.49 0.01 0.04 0.00 0.00 0.00 0.00 12:38:01 veth198b4ef6 8.00 10.10 2.45 2.61 0.00 0.00 0.00 0.00 12:38:01 vethac6e87f 159.26 230.15 14.23 1526.38 0.00 0.00 0.00 0.13 12:39:01 docker0 0.72 0.68 0.07 0.46 0.00 0.00 0.00 0.00 12:39:01 veth5acb8bcc 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:39:01 veth198b4ef6 7.07 8.18 2.09 0.96 0.00 0.00 0.00 0.00 12:39:01 cni0 51.21 51.67 23.59 94.01 0.00 0.00 0.95 0.00 12:40:01 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 veth5acb8bcc 0.02 0.18 0.00 0.01 0.00 0.00 0.00 0.00 12:40:01 veth198b4ef6 7.43 8.62 2.16 1.11 0.00 0.00 0.00 0.00 12:40:01 cni0 12.48 13.56 2.44 1.90 0.00 0.00 0.18 0.00 12:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 veth5acb8bcc 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 veth198b4ef6 7.33 8.45 2.15 1.07 0.00 0.00 0.00 0.00 12:41:01 cni0 11.91 13.36 2.40 1.57 0.00 0.00 0.00 0.00 Average: docker0 31.57 45.53 2.39 301.27 0.00 0.00 0.00 0.00 Average: veth5acb8bcc 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth198b4ef6 5.96 7.06 1.77 1.15 0.00 0.00 0.00 0.00 Average: cni0 15.17 15.77 5.70 19.56 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-5046) 11/02/26 _x86_64_ (8 CPU) 12:35:58 LINUX RESTART (8 CPU) 12:36:01 CPU %user %nice %system %iowait %steal %idle 12:37:02 all 8.58 0.58 2.31 3.41 0.01 85.10 12:37:02 0 10.25 0.00 2.78 5.04 0.02 81.91 12:37:02 1 6.46 3.14 2.56 0.64 0.02 87.19 12:37:02 2 8.64 1.49 2.19 1.47 0.02 86.19 12:37:02 3 5.48 0.00 1.97 1.68 0.02 90.86 12:37:02 4 6.23 0.00 1.73 12.92 0.02 79.10 12:37:02 5 7.81 0.00 3.35 3.07 0.00 85.77 12:37:02 6 9.26 0.03 2.27 2.12 0.02 86.30 12:37:02 7 14.55 0.00 1.67 0.32 0.02 83.44 12:38:01 all 44.72 0.00 8.23 1.83 0.03 45.19 12:38:01 0 46.30 0.00 7.73 2.10 0.03 43.84 12:38:01 1 43.30 0.00 8.65 2.43 0.03 45.59 12:38:01 2 44.39 0.00 8.43 2.27 0.02 44.89 12:38:01 3 45.15 0.00 8.64 1.48 0.03 44.70 12:38:01 4 44.42 0.00 8.04 0.75 0.02 46.77 12:38:01 5 45.88 0.00 8.17 3.87 0.03 42.04 12:38:01 6 42.66 0.00 8.23 0.79 0.02 48.29 12:38:01 7 45.67 0.00 7.87 0.98 0.02 45.45 12:39:01 all 48.15 0.00 7.54 0.39 0.03 43.88 12:39:01 0 49.72 0.00 7.38 0.30 0.03 42.57 12:39:01 1 47.32 0.00 7.55 0.12 0.02 44.99 12:39:01 2 47.19 0.00 7.84 1.21 0.03 43.74 12:39:01 3 50.31 0.00 7.77 0.02 0.02 41.89 12:39:01 4 49.25 0.00 7.68 0.02 0.03 43.03 12:39:01 5 47.55 0.00 7.18 0.03 0.03 45.20 12:39:01 6 47.34 0.00 7.90 1.33 0.03 43.41 12:39:01 7 46.49 0.00 7.07 0.12 0.05 46.27 12:40:01 all 7.24 0.20 3.74 0.91 0.02 87.90 12:40:01 0 5.74 0.00 3.76 0.07 0.02 90.42 12:40:01 1 8.12 0.00 3.89 1.79 0.02 86.18 12:40:01 2 9.80 0.37 3.45 2.25 0.02 84.11 12:40:01 3 7.70 0.00 4.20 0.12 0.02 87.96 12:40:01 4 5.99 0.00 3.64 2.08 0.03 88.26 12:40:01 5 7.75 0.00 3.93 0.18 0.02 88.12 12:40:01 6 6.36 1.19 3.78 0.13 0.02 88.52 12:40:01 7 6.45 0.00 3.23 0.64 0.02 89.66 12:41:01 all 11.14 0.00 1.26 0.55 0.02 87.03 12:41:01 0 15.07 0.00 1.45 0.33 0.03 83.11 12:41:01 1 3.46 0.00 0.90 0.69 0.03 94.91 12:41:01 2 5.57 0.00 1.28 1.11 0.02 92.03 12:41:01 3 5.84 0.00 0.99 0.12 0.02 93.03 12:41:01 4 21.11 0.00 1.69 1.49 0.02 75.70 12:41:01 5 16.36 0.00 1.29 0.32 0.02 82.02 12:41:01 6 14.93 0.00 1.57 0.30 0.02 83.18 12:41:01 7 6.74 0.00 0.89 0.08 0.02 92.27 Average: all 23.86 0.16 4.59 1.42 0.02 69.95 Average: 0 25.30 0.00 4.60 1.57 0.03 68.51 Average: 1 21.61 0.63 4.69 1.12 0.02 71.92 Average: 2 23.03 0.37 4.62 1.66 0.02 70.30 Average: 3 22.81 0.00 4.70 0.68 0.02 71.80 Average: 4 25.34 0.00 4.54 3.47 0.02 66.63 Average: 5 24.94 0.00 4.77 1.49 0.02 68.79 Average: 6 23.98 0.25 4.72 0.94 0.02 70.09 Average: 7 23.87 0.00 4.12 0.43 0.02 71.56