---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-5792 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 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/38b5110907af9ba0c8da28b5bf34203d54401f2e04407c91e5c453bee0f73bc1/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f344ed43292383a8b661b48345c69dc2ebe23c0983dfe1481c0d87a1b4bed714/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5c642bf9b09953091b2baa7a394eabab08d715bbcadfb957fd924c806522354d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3ad14445deb0e14bcc8b9f23be9542480ca04de33e884bb30f7e8fae4a376a76/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f70d0f876295cb76a8b76a23662b8b0a4daa6b068a4e6a653ab6ade133ad495d/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1507 24219 1 6440 30203 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:75:e5:7e brd ff:ff:ff:ff:ff:ff inet 10.30.107.52/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86060sec preferred_lft 86060sec inet6 fe80::f816:3eff:fe75:e57e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:69:19:80:45 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::42:69ff:fe19:8045/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether aa:bd:6b:71:57:d2 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::a8bd:6bff:fe71:57d2/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 52:6b:02:e7:c9:f9 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::506b:2ff:fee7:c9f9/64 scope link valid_lft forever preferred_lft forever 7: vethb29f1214@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:ba:10:33:87:9f brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::9cba:10ff:fe33:879f/64 scope link valid_lft forever preferred_lft forever 8: veth400d78be@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:98:44:d1:1d:03 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9c98:44ff:fed1:1d03/64 scope link valid_lft forever preferred_lft forever 10: vetha1fdd524@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:91:5a:e9:c6:5d brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::5491:5aff:fee9:c65d/64 scope link valid_lft forever preferred_lft forever 11: veth25083d0c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:ec:8d:64:a5:ff brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::54ec:8dff:fe64:a5ff/64 scope link valid_lft forever preferred_lft forever 12: vethc2d2b391@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4a:dd:e5:9e:12:7f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::48dd:e5ff:fe9e:127f/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-5792) 09/28/26 _x86_64_ (8 CPU) 05:54:42 LINUX RESTART (8 CPU) 05:55:02 tps rtps wtps bread/s bwrtn/s 05:56:01 607.29 130.30 476.99 7459.21 204608.71 05:57:01 309.25 0.88 308.37 7.07 84243.96 05:58:01 115.63 3.15 112.48 432.66 41905.90 05:59:01 163.72 18.68 145.04 788.54 74316.68 06:00:01 106.23 3.18 103.05 108.65 11508.75 Average: 259.26 30.91 228.35 1740.12 82909.84 05:55:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:56:01 27466988 31105924 5472224 16.61 84436 3792304 2801988 8.51 1878008 3136640 24020 05:57:01 25608360 31074624 7330852 22.26 139540 5403984 2864528 8.70 2651788 4054388 920336 05:58:01 26990212 31124756 5949000 18.06 141016 4204404 2505996 7.61 2027592 3439744 115532 05:59:01 25329272 30974800 7609940 23.10 148476 5651396 3313664 10.06 2440504 4615940 27328 06:00:01 24889124 30998828 8050088 24.44 156176 6061592 3283956 9.97 2444768 5004312 223868 Average: 26056791 31055786 6882421 20.89 133929 5022736 2954026 8.97 2288532 4050205 262217 05:55:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:56:01 veth25083d0c 0.10 0.27 0.01 0.02 0.00 0.00 0.00 0.00 05:56:01 lo 200.46 200.46 158.27 158.27 0.00 0.00 0.00 0.00 05:56:01 vethc709661 8.54 10.20 0.85 3.68 0.00 0.00 0.00 0.00 05:56:01 vethb29f1214 1.29 1.98 0.15 0.48 0.00 0.00 0.00 0.00 05:57:01 veth25083d0c 0.07 0.30 0.00 0.02 0.00 0.00 0.00 0.00 05:57:01 lo 27.45 27.45 15.77 15.77 0.00 0.00 0.00 0.00 05:57:01 vethc709661 209.47 339.04 18.21 1615.99 0.00 0.00 0.00 0.13 05:57:01 vethb29f1214 2.67 3.43 0.25 0.38 0.00 0.00 0.00 0.00 05:58:01 veth25083d0c 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:58:01 lo 12.81 12.81 3.79 3.79 0.00 0.00 0.00 0.00 05:58:01 vethb29f1214 3.02 3.38 0.28 0.29 0.00 0.00 0.00 0.00 05:58:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 veth25083d0c 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 05:59:01 lo 44.04 44.04 16.43 16.43 0.00 0.00 0.00 0.00 05:59:01 vethb29f1214 3.17 3.47 0.29 0.40 0.00 0.00 0.00 0.00 05:59:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 veth25083d0c 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 19.90 19.90 5.76 5.76 0.00 0.00 0.00 0.00 06:00:01 vethb29f1214 3.10 3.28 0.29 0.28 0.00 0.00 0.00 0.00 06:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth25083d0c 0.04 0.16 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 60.46 60.46 39.61 39.61 0.00 0.00 0.00 0.00 Average: vethb29f1214 2.65 3.11 0.25 0.37 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-5792) 09/28/26 _x86_64_ (8 CPU) 05:54:42 LINUX RESTART (8 CPU) 05:55:02 CPU %user %nice %system %iowait %steal %idle 05:56:01 all 16.16 0.60 5.58 4.34 0.01 73.31 05:56:01 0 11.41 0.00 6.47 3.30 0.00 78.82 05:56:01 1 23.97 0.00 6.23 4.39 0.02 65.40 05:56:01 2 17.25 0.00 5.56 11.69 0.02 65.48 05:56:01 3 12.96 0.00 5.58 3.25 0.02 78.19 05:56:01 4 14.20 0.00 5.74 2.91 0.00 77.15 05:56:01 5 16.64 3.26 5.37 6.17 0.02 68.54 05:56:01 6 18.44 0.02 5.21 0.96 0.02 75.36 05:56:01 7 14.40 1.45 4.49 2.03 0.00 77.62 05:57:01 all 42.43 0.00 6.12 1.65 0.02 49.78 05:57:01 0 41.39 0.00 6.26 0.88 0.03 51.44 05:57:01 1 43.21 0.00 6.36 2.16 0.02 48.26 05:57:01 2 41.52 0.00 5.89 0.98 0.02 51.60 05:57:01 3 43.66 0.00 5.34 0.59 0.00 50.41 05:57:01 4 43.03 0.00 6.50 2.13 0.02 48.32 05:57:01 5 41.73 0.00 6.64 2.94 0.00 48.69 05:57:01 6 43.26 0.00 5.69 1.85 0.02 49.18 05:57:01 7 41.62 0.00 6.26 1.73 0.02 50.37 05:58:01 all 43.42 0.23 6.68 0.44 0.02 49.21 05:58:01 0 41.86 0.00 6.61 1.24 0.02 50.27 05:58:01 1 43.82 0.00 6.72 0.03 0.00 49.42 05:58:01 2 44.87 0.92 6.60 0.55 0.02 47.04 05:58:01 3 44.03 0.00 6.36 0.02 0.02 49.57 05:58:01 4 41.25 0.22 6.22 0.38 0.02 51.91 05:58:01 5 45.58 0.00 6.92 0.05 0.03 47.41 05:58:01 6 42.19 0.00 7.11 1.23 0.03 49.44 05:58:01 7 43.80 0.67 6.87 0.05 0.02 48.60 05:59:01 all 8.29 0.23 3.96 1.10 0.01 86.41 05:59:01 0 6.38 0.00 4.43 0.56 0.00 88.63 05:59:01 1 6.77 0.57 4.48 1.06 0.02 87.10 05:59:01 2 7.37 1.30 4.02 1.28 0.02 86.01 05:59:01 3 11.17 0.00 3.60 1.70 0.00 83.53 05:59:01 4 10.10 0.00 3.43 1.79 0.02 84.66 05:59:01 5 6.89 0.02 3.96 0.13 0.00 89.00 05:59:01 6 6.87 0.00 3.53 0.07 0.00 89.53 05:59:01 7 10.80 0.00 4.25 2.17 0.02 82.77 06:00:01 all 11.96 0.00 1.39 0.64 0.00 86.01 06:00:01 0 5.94 0.00 1.05 0.38 0.00 92.63 06:00:01 1 12.44 0.00 1.47 0.77 0.00 85.32 06:00:01 2 12.99 0.00 1.16 0.55 0.00 85.30 06:00:01 3 6.42 0.00 1.17 0.85 0.02 91.54 06:00:01 4 22.43 0.00 1.75 1.10 0.00 74.71 06:00:01 5 12.99 0.00 1.10 0.57 0.00 85.34 06:00:01 6 5.24 0.00 1.27 0.17 0.00 93.32 06:00:01 7 17.26 0.00 2.16 0.74 0.00 79.85 Average: all 24.48 0.21 4.74 1.62 0.01 68.94 Average: 0 21.37 0.00 4.94 1.26 0.01 72.42 Average: 1 26.04 0.11 5.05 1.67 0.01 67.12 Average: 2 24.83 0.45 4.64 2.97 0.01 67.10 Average: 3 23.69 0.00 4.40 1.27 0.01 70.62 Average: 4 26.29 0.04 4.72 1.66 0.01 67.28 Average: 5 24.80 0.65 4.79 1.96 0.01 67.79 Average: 6 23.20 0.00 4.56 0.85 0.01 71.37 Average: 7 25.61 0.42 4.80 1.34 0.01 67.81