---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6815 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 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 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/4f45d7eadc01e3a4e329b9758a1109a7dafd86a548be86f847b75f9d3aa64353/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/fdfbd41e3a1f2a9fe6ecd5af6916b71316a88eb38dc8d56cc45518b2d6783aa9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8c5eb3a61d2c652da62819f3b12cd378044ae5648250f8339cfa5502da932735/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6bc01b257ca63c7753485d083511684cd81b7b0287c692d32c4e54ce3d89d0bf/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/465054d9fb7f95f20b5d8f17566cbffca1cdb0a7d600baccd8d740f7c419a89d/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1520 24204 1 6442 30190 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:16:20:8d brd ff:ff:ff:ff:ff:ff inet 10.30.107.22/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86009sec preferred_lft 86009sec inet6 fe80::f816:3eff:fe16:208d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ea:4d:89:e8 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:eaff:fe4d:89e8/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 2e:55:14:87:62:92 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::2c55:14ff:fe87:6292/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 2a:31:e0:1b:22:56 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::2831:e0ff:fe1b:2256/64 scope link valid_lft forever preferred_lft forever 8: veth5b305749@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ee:fa:2e:30:a7:78 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::ecfa:2eff:fe30:a778/64 scope link valid_lft forever preferred_lft forever 9: vethd33a5441@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5e:0d:1f:9f:3b:04 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::5c0d:1fff:fe9f:3b04/64 scope link valid_lft forever preferred_lft forever 10: veth29ec519b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:30:56:40:d2:52 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::2430:56ff:fe40:d252/64 scope link valid_lft forever preferred_lft forever 13: veth821a361c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:c9:4e:cf:4e:26 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::74c9:4eff:fecf:4e26/64 scope link valid_lft forever preferred_lft forever 14: veth02de30b1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 32:d5:c2:37:8d:23 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::30d5:c2ff:fe37:8d23/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6815) 07/08/26 _x86_64_ (8 CPU) 12:14:55 LINUX RESTART (8 CPU) 12:15:01 tps rtps wtps bread/s bwrtn/s 12:16:02 275.57 94.88 180.69 6185.24 65798.63 12:17:01 468.82 42.96 425.86 2207.63 112153.74 12:18:01 176.95 0.00 176.95 0.00 60121.45 12:19:01 174.95 3.40 171.55 462.46 93200.87 12:20:01 112.03 20.31 91.72 749.34 58417.46 12:21:01 107.70 0.53 107.17 69.06 35963.61 Average: 218.64 26.97 191.67 1610.63 70827.85 12:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:16:02 30154628 31777368 2784592 8.45 45220 1895256 1368080 4.15 955516 1553368 370020 12:17:01 26676992 31070056 6262228 19.01 128224 4390352 2851232 8.66 2072592 3619484 633288 12:18:01 25577028 30909252 7362192 22.35 135808 5278012 3721152 11.30 2780444 3961200 527032 12:19:01 25674584 31071960 7264636 22.05 140584 5428480 2907252 8.83 2237832 4501416 790368 12:20:01 25221336 30905756 7717884 23.43 147764 5684440 3359716 10.20 2518388 4640560 54184 12:21:01 24836128 30954008 8103092 24.60 153436 6072764 3282260 9.96 2478604 5022836 249416 Average: 26356783 31114733 6582437 19.98 125173 4791551 2914949 8.85 2173896 3883144 437385 12:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:16:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:16:02 lo 2.63 2.63 0.28 0.28 0.00 0.00 0.00 0.00 12:16:02 ens3 652.01 458.16 2488.80 78.49 0.00 0.00 0.00 0.00 12:17:01 docker0 181.24 289.09 13.70 1639.12 0.00 0.00 0.00 0.00 12:17:01 veth5b305749 0.59 1.46 0.10 0.21 0.00 0.00 0.00 0.00 12:17:01 veth29ec519b 6.30 8.00 1.96 2.30 0.00 0.00 0.00 0.00 12:17:01 lo 229.05 229.05 176.08 176.08 0.00 0.00 0.00 0.00 12:18:01 docker0 8.33 11.56 0.62 19.46 0.00 0.00 0.00 0.00 12:18:01 veth5b305749 0.13 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:18:01 veth29ec519b 6.82 8.15 2.02 1.03 0.00 0.00 0.00 0.00 12:18:01 lo 13.01 13.01 4.68 4.68 0.00 0.00 0.00 0.00 12:19:01 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:19:01 veth5b305749 0.10 0.13 0.01 0.02 0.00 0.00 0.00 0.00 12:19:01 veth29ec519b 7.20 8.38 2.14 0.98 0.00 0.00 0.00 0.00 12:19:01 lo 16.75 16.75 4.32 4.32 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 veth5b305749 0.12 0.22 0.01 0.03 0.00 0.00 0.00 0.00 12:20:01 veth29ec519b 7.32 8.68 2.15 1.20 0.00 0.00 0.00 0.00 12:20:01 lo 43.04 43.04 17.21 17.21 0.00 0.00 0.00 0.00 12:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 veth5b305749 0.12 0.13 0.01 0.02 0.00 0.00 0.00 0.00 12:21:01 veth29ec519b 7.45 8.23 2.16 0.97 0.00 0.00 0.00 0.00 12:21:01 lo 19.41 19.41 4.81 4.81 0.00 0.00 0.00 0.00 Average: docker0 31.19 49.46 2.36 272.64 0.00 0.00 0.00 0.00 Average: veth5b305749 0.18 0.36 0.02 0.05 0.00 0.00 0.00 0.00 Average: veth29ec519b 5.85 6.90 1.74 1.08 0.00 0.00 0.00 0.00 Average: lo 53.50 53.50 34.17 34.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6815) 07/08/26 _x86_64_ (8 CPU) 12:14:55 LINUX RESTART (8 CPU) 12:15:01 CPU %user %nice %system %iowait %steal %idle 12:16:02 all 6.95 0.87 1.77 4.93 0.10 85.37 12:16:02 0 7.05 4.92 1.78 1.50 0.07 84.67 12:16:02 1 9.20 0.02 1.57 0.72 0.07 88.43 12:16:02 2 9.65 0.00 1.20 1.10 0.17 87.87 12:16:02 3 8.64 0.00 3.14 0.53 0.08 87.60 12:16:02 4 7.00 1.99 0.89 16.42 0.07 73.63 12:16:02 5 5.12 0.00 2.00 6.17 0.05 86.66 12:16:02 6 4.93 0.00 2.36 4.70 0.27 87.75 12:16:02 7 3.92 0.00 1.22 8.33 0.07 86.45 12:17:01 all 14.05 0.00 5.61 12.10 0.21 68.03 12:17:01 0 12.58 0.00 5.71 15.60 0.21 65.90 12:17:01 1 12.65 0.00 5.11 11.55 0.19 70.50 12:17:01 2 14.23 0.00 6.01 7.69 0.22 71.85 12:17:01 3 14.17 0.00 5.72 4.46 0.21 75.45 12:17:01 4 15.18 0.00 5.54 23.98 0.24 55.06 12:17:01 5 14.52 0.00 5.50 14.82 0.22 64.94 12:17:01 6 14.09 0.00 5.50 7.87 0.17 72.36 12:17:01 7 14.95 0.00 5.84 10.89 0.22 68.10 12:18:01 all 47.69 0.00 6.09 1.40 0.19 44.63 12:18:01 0 50.76 0.00 6.01 0.10 0.20 42.93 12:18:01 1 47.01 0.00 6.09 3.71 0.18 43.00 12:18:01 2 46.80 0.00 6.49 3.33 0.19 43.19 12:18:01 3 46.42 0.00 5.84 0.72 0.20 46.81 12:18:01 4 47.41 0.00 6.36 3.05 0.19 43.00 12:18:01 5 47.76 0.00 6.02 0.05 0.18 45.98 12:18:01 6 48.29 0.00 6.12 0.13 0.24 45.22 12:18:01 7 47.08 0.00 5.75 0.07 0.17 46.93 12:19:01 all 30.63 0.26 5.95 3.82 0.18 59.16 12:19:01 0 33.15 0.13 5.91 1.26 0.19 59.36 12:19:01 1 30.70 0.00 5.61 1.43 0.15 62.11 12:19:01 2 32.42 0.00 6.82 4.93 0.19 55.65 12:19:01 3 28.77 0.00 7.17 9.45 0.15 54.45 12:19:01 4 30.43 0.00 5.45 1.64 0.20 62.29 12:19:01 5 31.41 1.40 5.55 5.79 0.22 55.62 12:19:01 6 29.61 0.00 5.18 5.04 0.18 59.99 12:19:01 7 28.54 0.54 5.93 1.05 0.17 63.78 12:20:01 all 7.10 0.00 1.67 3.14 0.09 88.00 12:20:01 0 4.79 0.00 1.57 0.22 0.08 93.33 12:20:01 1 8.91 0.00 1.41 1.39 0.10 88.19 12:20:01 2 5.53 0.00 1.86 1.86 0.08 90.67 12:20:01 3 4.32 0.00 1.48 11.94 0.10 82.15 12:20:01 4 6.86 0.00 1.73 1.09 0.10 90.23 12:20:01 5 16.61 0.00 1.98 0.87 0.12 80.42 12:20:01 6 6.04 0.00 1.51 0.07 0.08 92.30 12:20:01 7 3.70 0.00 1.79 7.75 0.12 86.64 12:21:01 all 11.42 0.00 1.29 1.30 0.10 85.89 12:21:01 0 6.78 0.00 0.97 0.05 0.08 92.11 12:21:01 1 8.13 0.00 1.02 4.42 0.10 86.33 12:21:01 2 9.34 0.00 1.01 0.15 0.12 89.38 12:21:01 3 21.78 0.00 1.84 1.27 0.08 75.03 12:21:01 4 13.99 0.00 1.47 1.32 0.12 83.10 12:21:01 5 7.12 0.00 1.05 0.10 0.07 91.66 12:21:01 6 17.38 0.00 1.66 1.83 0.10 79.04 12:21:01 7 6.81 0.00 1.33 1.30 0.17 90.39 Average: all 19.63 0.19 3.72 4.42 0.15 71.89 Average: 0 19.16 0.85 3.65 3.08 0.14 73.13 Average: 1 19.44 0.00 3.46 3.84 0.13 73.13 Average: 2 19.65 0.00 3.88 3.16 0.16 73.15 Average: 3 20.70 0.00 4.19 4.72 0.14 70.26 Average: 4 20.13 0.33 3.56 7.86 0.15 67.97 Average: 5 20.43 0.23 3.67 4.59 0.14 70.93 Average: 6 20.05 0.00 3.71 3.26 0.17 72.81 Average: 7 17.49 0.09 3.63 4.88 0.15 73.76