---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3032 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/280395e51dc949d5643094f28ba7cf0648165ee495e11ddf378299da80088e04/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0a9a2dd4a0586aec1695e54fb4931ee4aeb22b1de2a3dddc4bac1ac47ef68829/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5422adf409bd1f032d14cf141488f3948c4db6fbd26548691fd774acee3576a3/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b438baa3a9a16068175fab185aee897d6dd9544f4d0b6475f8b942748c18de70/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4f87f5c5d26f933c1fec532593d9361ec36eeedf366a8ac7c679f42ec6204cbd/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1520 24215 1 6430 30189 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:69:67:95 brd ff:ff:ff:ff:ff:ff inet 10.30.107.122/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86082sec preferred_lft 86082sec inet6 fe80::f816:3eff:fe69:6795/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:de:fd:60:cd 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:deff:fefd:60cd/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 46:f6:4c:52:d2:fc 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::44f6:4cff:fe52:d2fc/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether f6:d0:fe:9a:fa:d3 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::f4d0:feff:fe9a:fad3/64 scope link valid_lft forever preferred_lft forever 8: veth1b55174f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:ec:72:4f:90:70 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7cec:72ff:fe4f:9070/64 scope link valid_lft forever preferred_lft forever 9: vethd1edfb93@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2e:df:6e:8c:8e:17 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::2cdf:6eff:fe8c:8e17/64 scope link valid_lft forever preferred_lft forever 10: vethe4e79f8b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:3d:1a:f6:a9:ff brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::c3d:1aff:fef6:a9ff/64 scope link valid_lft forever preferred_lft forever 11: veth0b2d7745@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:1e:1d:af:ec:10 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::f01e:1dff:feaf:ec10/64 scope link valid_lft forever preferred_lft forever 12: vethe9ae5ef6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:dd:59:b2:fc:b6 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::50dd:59ff:feb2:fcb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3032) 10/19/26 _x86_64_ (8 CPU) 05:55:31 LINUX RESTART (8 CPU) 05:56:01 tps rtps wtps bread/s bwrtn/s 05:57:01 666.34 84.49 581.86 3760.35 178798.93 05:58:01 191.83 0.03 191.80 0.27 72462.46 05:59:01 189.65 3.53 186.12 488.59 93317.38 06:00:01 89.15 20.63 68.52 808.40 10929.51 Average: 284.26 27.17 257.09 1264.50 88880.82 05:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:57:01 26388480 30881772 6550740 19.89 129260 4482852 3688572 11.20 2347568 3617688 563948 05:58:01 25162372 30653184 7776848 23.61 134348 5432380 3696648 11.22 3102464 4043848 566412 05:59:01 25617968 31027524 7321252 22.23 139428 5431904 3198340 9.71 2277160 4501900 536 06:00:01 25013880 30884264 7925340 24.06 148196 5852040 3348636 10.17 2534552 4809252 173320 Average: 25545675 30861686 7393545 22.45 137808 5299794 3483049 10.57 2565436 4243172 326054 05:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:57:01 vethe9ae5ef6 5.26 4.38 1.08 1.89 0.00 0.00 0.00 0.00 05:57:01 lo 216.96 216.96 168.65 168.65 0.00 0.00 0.00 0.00 05:57:01 veth3142f25 182.86 288.79 16.34 1615.27 0.00 0.00 0.00 0.13 05:57:01 vethe4e79f8b 1.98 2.58 0.21 0.64 0.00 0.00 0.00 0.00 05:58:01 vethe9ae5ef6 1.50 1.65 0.13 0.20 0.00 0.00 0.00 0.00 05:58:01 lo 13.85 13.85 4.46 4.46 0.00 0.00 0.00 0.00 05:58:01 veth3142f25 4.10 6.83 0.37 18.86 0.00 0.00 0.00 0.00 05:58:01 vethe4e79f8b 2.87 3.10 0.26 0.27 0.00 0.00 0.00 0.00 05:59:01 vethe9ae5ef6 1.43 1.60 0.12 0.20 0.00 0.00 0.00 0.00 05:59:01 lo 17.05 17.05 4.32 4.32 0.00 0.00 0.00 0.00 05:59:01 vethe4e79f8b 3.10 3.33 0.29 0.29 0.00 0.00 0.00 0.00 05:59:01 veth0b2d7745 0.18 0.65 0.01 0.05 0.00 0.00 0.00 0.00 06:00:01 vethe9ae5ef6 1.65 1.85 0.14 0.41 0.00 0.00 0.00 0.00 06:00:01 lo 43.81 43.81 17.37 17.37 0.00 0.00 0.00 0.00 06:00:01 vethe4e79f8b 3.17 3.40 0.29 0.39 0.00 0.00 0.00 0.00 06:00:01 veth0b2d7745 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethe9ae5ef6 2.46 2.37 0.37 0.67 0.00 0.00 0.00 0.00 Average: lo 72.92 72.92 48.70 48.70 0.00 0.00 0.00 0.00 Average: vethe4e79f8b 2.78 3.10 0.26 0.40 0.00 0.00 0.00 0.00 Average: veth0b2d7745 0.05 0.19 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3032) 10/19/26 _x86_64_ (8 CPU) 05:55:31 LINUX RESTART (8 CPU) 05:56:01 CPU %user %nice %system %iowait %steal %idle 05:57:01 all 21.39 0.60 6.71 3.58 0.01 67.71 05:57:01 0 18.92 3.26 6.90 4.21 0.02 66.69 05:57:01 1 22.58 0.03 7.49 5.22 0.00 64.68 05:57:01 2 23.42 0.00 6.51 2.29 0.02 67.77 05:57:01 3 19.70 0.74 6.75 3.58 0.02 69.22 05:57:01 4 18.81 0.00 6.40 2.79 0.00 72.01 05:57:01 5 25.05 0.00 5.97 5.11 0.02 63.86 05:57:01 6 20.92 0.72 6.69 2.97 0.02 68.68 05:57:01 7 21.76 0.00 6.94 2.47 0.02 68.82 05:58:01 all 54.18 0.00 6.84 0.46 0.02 38.51 05:58:01 0 55.71 0.00 6.60 0.49 0.00 37.20 05:58:01 1 55.50 0.00 6.92 1.19 0.02 36.37 05:58:01 2 51.84 0.00 7.36 1.53 0.02 39.26 05:58:01 3 52.62 0.00 6.58 0.02 0.03 40.75 05:58:01 4 53.93 0.00 6.57 0.02 0.02 39.47 05:58:01 5 54.03 0.00 6.45 0.00 0.00 39.52 05:58:01 6 51.57 0.00 6.84 0.39 0.02 41.20 05:58:01 7 58.19 0.00 7.44 0.05 0.03 34.28 05:59:01 all 27.90 0.23 6.49 1.02 0.01 64.35 05:59:01 0 25.26 0.00 7.50 2.96 0.02 64.27 05:59:01 1 25.89 0.02 6.43 1.28 0.03 66.35 05:59:01 2 34.46 0.00 6.24 0.07 0.00 59.23 05:59:01 3 28.24 0.00 5.82 0.32 0.00 65.61 05:59:01 4 29.27 0.00 7.31 0.54 0.02 62.87 05:59:01 5 26.87 0.00 6.21 0.22 0.02 66.68 05:59:01 6 27.75 0.00 5.71 0.12 0.02 66.41 05:59:01 7 25.41 1.79 6.67 2.68 0.00 63.45 06:00:01 all 9.06 0.00 1.75 0.50 0.01 88.68 06:00:01 0 6.49 0.00 1.76 0.12 0.02 91.62 06:00:01 1 7.44 0.00 1.81 1.11 0.00 89.64 06:00:01 2 3.93 0.00 1.14 0.22 0.00 94.70 06:00:01 3 5.73 0.00 1.56 1.16 0.00 91.54 06:00:01 4 6.49 0.00 1.39 0.22 0.00 91.90 06:00:01 5 5.20 0.00 1.60 0.12 0.02 93.06 06:00:01 6 4.24 0.00 1.64 0.37 0.00 93.75 06:00:01 7 32.92 0.00 3.12 0.65 0.02 63.29 Average: all 28.12 0.21 5.44 1.39 0.01 64.83 Average: 0 26.58 0.82 5.68 1.94 0.01 64.97 Average: 1 27.85 0.01 5.66 2.20 0.01 64.27 Average: 2 28.40 0.00 5.31 1.03 0.01 65.25 Average: 3 26.58 0.19 5.17 1.27 0.01 66.78 Average: 4 27.10 0.00 5.41 0.89 0.01 66.59 Average: 5 27.75 0.00 5.05 1.36 0.01 65.83 Average: 6 26.09 0.18 5.21 0.96 0.01 67.55 Average: 7 34.60 0.45 6.04 1.46 0.02 57.44