---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-990 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/fbee15cc6adfca3abcb4e5b59947d07b6e9a176c37b8d93901401cf9d516b5d7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/46b4bb3bfa7d01ff4ca3596f46b689145a033c8954e5518973b382741c7d6d7c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4ceeda24000791cc6e61412274539db6d15686690b6b0889305f31f3ac3e81ec/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/17530098c355c85f369395ee25451956a025f3fb9562aa78fc6fc9fa0e1c7a8d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9740ffd5af8d229cda1bf726803b73efeb843847bf7c955f899b6f7373657fde/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1532 24202 1 6432 30178 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:dc:0c:50 brd ff:ff:ff:ff:ff:ff inet 10.30.107.78/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86070sec preferred_lft 86070sec inet6 fe80::f816:3eff:fedc:c50/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ef:60:b2:bf 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:efff:fe60:b2bf/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0e:61:cc:32:1a:b9 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::c61:ccff:fe32:1ab9/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether da:ed:a6:55:7a:7c 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::d8ed:a6ff:fe55:7a7c/64 scope link valid_lft forever preferred_lft forever 6: veth8dbc311a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ce:9b:15:31:32:81 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::cc9b:15ff:fe31:3281/64 scope link valid_lft forever preferred_lft forever 7: vethe3335131@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f6:07:9b:e2:fb:51 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f407:9bff:fee2:fb51/64 scope link valid_lft forever preferred_lft forever 9: veth16573911@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0a:b9:2b:a4:5e:c4 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::8b9:2bff:fea4:5ec4/64 scope link valid_lft forever preferred_lft forever 11: vethf0277232@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:00:0d:86:ab:38 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::4c00:dff:fe86:ab38/64 scope link valid_lft forever preferred_lft forever 12: veth6507b277@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether aa:52:4e:63:3c:62 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::a852:4eff:fe63:3c62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-990) 10/12/26 _x86_64_ (8 CPU) 17:30:20 LINUX RESTART (8 CPU) 17:31:01 tps rtps wtps bread/s bwrtn/s 17:32:01 546.72 83.86 462.86 3752.62 171056.05 17:33:01 177.64 0.02 177.62 0.13 66835.99 17:34:01 188.72 3.35 185.37 459.12 94618.36 17:35:01 88.82 20.73 68.09 813.46 10975.90 Average: 250.48 26.99 223.49 1256.39 85874.33 17:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:32:01 26626900 31032756 6312320 19.16 130876 4397732 2964940 9.00 2152868 3579628 535908 17:33:01 25571704 30936044 7367516 22.37 136816 5307812 3571564 10.84 2763976 3974684 487756 17:34:01 25606476 31015680 7332744 22.26 142224 5428860 3195416 9.70 2291552 4497128 548 17:35:01 25044060 30914300 7895160 23.97 150792 5848188 3281652 9.96 2507868 4803484 172140 Average: 25712285 30974695 7226935 21.94 140177 5245648 3253393 9.88 2429066 4213731 299088 17:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:32:01 vethe3335131 2.12 3.07 0.22 0.66 0.00 0.00 0.00 0.00 17:32:01 veth16573911 0.52 1.32 0.09 0.20 0.00 0.00 0.00 0.00 17:32:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:32:01 veth6507b277 5.08 4.28 1.02 1.74 0.00 0.00 0.00 0.00 17:33:01 vethe3335131 2.72 3.28 0.25 0.28 0.00 0.00 0.00 0.00 17:33:01 veth16573911 0.15 0.23 0.01 0.03 0.00 0.00 0.00 0.00 17:33:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:33:01 veth6507b277 1.48 1.62 0.13 0.20 0.00 0.00 0.00 0.00 17:34:01 vethe3335131 3.02 3.33 0.28 0.29 0.00 0.00 0.00 0.00 17:34:01 veth16573911 0.12 0.15 0.01 0.02 0.00 0.00 0.00 0.00 17:34:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 veth6507b277 1.48 1.53 0.13 0.19 0.00 0.00 0.00 0.00 17:35:01 vethe3335131 3.18 3.43 0.29 0.40 0.00 0.00 0.00 0.00 17:35:01 veth16573911 0.10 0.20 0.01 0.02 0.00 0.00 0.00 0.00 17:35:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 veth6507b277 1.58 1.83 0.13 0.41 0.00 0.00 0.00 0.00 Average: vethe3335131 2.76 3.28 0.26 0.41 0.00 0.00 0.00 0.00 Average: veth16573911 0.22 0.47 0.03 0.07 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 Average: veth6507b277 2.41 2.32 0.35 0.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-990) 10/12/26 _x86_64_ (8 CPU) 17:30:20 LINUX RESTART (8 CPU) 17:31:01 CPU %user %nice %system %iowait %steal %idle 17:32:01 all 16.52 0.57 6.27 4.61 0.01 72.01 17:32:01 0 15.66 0.00 5.70 6.32 0.02 72.30 17:32:01 1 16.72 0.00 6.18 1.50 0.02 75.59 17:32:01 2 17.52 0.20 6.28 3.21 0.02 72.77 17:32:01 3 16.18 2.90 6.25 3.08 0.00 71.58 17:32:01 4 19.23 0.02 7.03 4.96 0.02 68.75 17:32:01 5 15.98 0.00 6.33 6.05 0.00 71.64 17:32:01 6 17.06 0.00 5.93 4.41 0.00 72.60 17:32:01 7 13.88 1.40 6.52 7.36 0.02 70.82 17:33:01 all 49.37 0.00 6.36 0.50 0.03 43.75 17:33:01 0 47.99 0.00 6.50 0.82 0.02 44.67 17:33:01 1 48.58 0.00 6.47 0.39 0.02 44.54 17:33:01 2 51.33 0.00 6.30 0.07 0.02 42.29 17:33:01 3 47.27 0.00 6.56 0.10 0.03 46.03 17:33:01 4 50.39 0.00 5.96 0.07 0.00 43.58 17:33:01 5 49.73 0.00 6.27 0.03 0.03 43.93 17:33:01 6 48.43 0.00 5.98 2.14 0.02 43.43 17:33:01 7 51.25 0.00 6.84 0.37 0.00 41.54 17:34:01 all 29.78 0.19 6.25 1.16 0.02 62.60 17:34:01 0 30.97 0.00 5.62 0.32 0.02 63.07 17:34:01 1 31.82 0.00 5.76 0.89 0.02 61.51 17:34:01 2 29.10 0.00 7.85 3.16 0.03 59.86 17:34:01 3 28.92 0.00 5.27 1.44 0.02 64.35 17:34:01 4 33.02 0.00 6.23 0.03 0.03 60.68 17:34:01 5 26.95 0.00 6.77 1.71 0.02 64.56 17:34:01 6 29.34 0.13 5.65 0.34 0.02 64.52 17:34:01 7 28.03 1.40 6.84 1.44 0.03 62.25 17:35:01 all 8.52 0.00 1.64 0.69 0.01 89.15 17:35:01 0 4.96 0.00 1.50 0.23 0.02 93.29 17:35:01 1 18.75 0.00 2.49 0.72 0.02 78.02 17:35:01 2 5.53 0.00 1.47 0.13 0.00 92.86 17:35:01 3 3.59 0.00 1.31 0.89 0.00 94.20 17:35:01 4 10.47 0.00 1.56 0.20 0.00 87.77 17:35:01 5 4.28 0.00 1.36 0.74 0.00 93.63 17:35:01 6 13.65 0.00 1.90 2.43 0.02 82.00 17:35:01 7 6.95 0.00 1.51 0.17 0.00 91.37 Average: all 26.02 0.19 5.12 1.74 0.02 66.91 Average: 0 24.87 0.00 4.82 1.92 0.02 68.37 Average: 1 28.96 0.00 5.22 0.87 0.02 64.93 Average: 2 25.86 0.05 5.47 1.64 0.02 66.96 Average: 3 23.90 0.72 4.83 1.38 0.01 69.15 Average: 4 28.28 0.00 5.19 1.31 0.01 65.20 Average: 5 24.22 0.00 5.18 2.13 0.01 68.46 Average: 6 27.11 0.03 4.86 2.33 0.01 65.65 Average: 7 25.01 0.70 5.42 2.33 0.01 66.53