---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-994 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/f7bb91ffbe3fefd5a26505a900e105de3aac326633e69962f1775b42103deffd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ff87bd6553b283a6a96640b996f361cc8e67dd83514dad03ceef88b59eec99f8/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/dbb1a28ef19376e3f3cadd5fdc093b2d71fa620c234ae8de6ec52c32baaa12b8/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3e72d934a1a221466155ec332b0d40f14871d4330f5dd7c30aaa477c0d152feb/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3f3ba73b0a6a8427b29701a78ba06f48b5e35e1f8eb003f8800e375acca9f774/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1522 24214 1 6429 30187 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:b0:75:46 brd ff:ff:ff:ff:ff:ff inet 10.30.106.233/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86073sec preferred_lft 86073sec inet6 fe80::f816:3eff:feb0:7546/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:03:42:ee 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:ecff:fe03:42ee/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 86:1d:a4:47:e2:db 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::841d:a4ff:fe47:e2db/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 12:59:6c:42:3d:f4 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::1059:6cff:fe42:3df4/64 scope link valid_lft forever preferred_lft forever 6: vethd30de1af@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:f3:2a:21:73:63 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::74f3:2aff:fe21:7363/64 scope link valid_lft forever preferred_lft forever 7: veth3ad25e6d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:6e:3f:91:a6:1e brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::4c6e:3fff:fe91:a61e/64 scope link valid_lft forever preferred_lft forever 8: vethb2467cc2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c2:98:b6:d3:d8:c3 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::c098:b6ff:fed3:d8c3/64 scope link valid_lft forever preferred_lft forever 11: vethc46b7709@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:7b:a9:3d:88:9a brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::247b:a9ff:fe3d:889a/64 scope link valid_lft forever preferred_lft forever 12: veth5e18a9d8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:6d:db:94:a0:e3 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::f06d:dbff:fe94:a0e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-994) 10/12/26 _x86_64_ (8 CPU) 17:31:03 LINUX RESTART (8 CPU) 17:32:01 tps rtps wtps bread/s bwrtn/s 17:33:01 497.98 42.54 455.44 2223.23 168463.12 17:34:01 155.24 0.00 155.24 0.00 38114.58 17:35:01 206.55 3.85 202.70 519.38 94303.08 17:36:01 99.35 20.43 78.92 768.81 8352.87 Average: 239.78 16.71 223.08 877.85 77308.42 17:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:33:01 25674420 30728604 7264800 22.06 134296 5012672 3724036 11.31 2789612 3864880 1067284 17:34:01 24865360 30879360 8073860 24.51 136896 5930556 3127048 9.49 3132256 4292280 922904 17:35:01 25395348 30985896 7543872 22.90 141964 5606696 3297492 10.01 2408988 4582192 620 17:36:01 24920000 30876896 8019220 24.35 152760 5926800 3408364 10.35 2555812 4874312 171556 Average: 25213782 30867689 7725438 23.45 141479 5619181 3389235 10.29 2721667 4403416 540591 17:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:33:01 ens3 688.24 401.97 11277.67 37.49 0.00 0.00 0.00 0.00 17:33:01 vethc46b7709 0.15 0.48 0.01 0.04 0.00 0.00 0.00 0.00 17:33:01 docker0 169.29 256.47 12.98 1610.50 0.00 0.00 0.00 0.00 17:33:01 vethd30de1af 0.60 1.60 0.10 0.22 0.00 0.00 0.00 0.00 17:34:01 ens3 6.37 5.52 19.06 0.52 0.00 0.00 0.00 0.00 17:34:01 vethc46b7709 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 17:34:01 docker0 5.08 5.73 0.36 18.91 0.00 0.00 0.00 0.00 17:34:01 vethd30de1af 0.12 0.17 0.01 0.02 0.00 0.00 0.00 0.00 17:35:01 ens3 344.36 168.89 6086.53 15.51 0.00 0.00 0.00 0.00 17:35:01 vethc46b7709 0.02 0.18 0.00 0.01 0.00 0.00 0.00 0.00 17:35:01 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 17:35:01 vethd30de1af 0.15 0.28 0.01 0.03 0.00 0.00 0.00 0.00 17:36:01 ens3 104.42 63.67 1362.17 11.46 0.00 0.00 0.00 0.00 17:36:01 vethc46b7709 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 vethd30de1af 0.10 0.08 0.01 0.02 0.00 0.00 0.00 0.00 Average: ens3 285.84 160.01 4686.36 16.25 0.00 0.00 0.00 0.00 Average: vethc46b7709 0.05 0.19 0.00 0.01 0.00 0.00 0.00 0.00 Average: docker0 43.61 65.57 3.34 407.35 0.00 0.00 0.00 0.00 Average: vethd30de1af 0.24 0.53 0.03 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-994) 10/12/26 _x86_64_ (8 CPU) 17:31:03 LINUX RESTART (8 CPU) 17:32:01 CPU %user %nice %system %iowait %steal %idle 17:33:01 all 39.07 0.00 8.36 2.74 0.02 49.80 17:33:01 0 37.69 0.00 8.42 3.09 0.02 50.78 17:33:01 1 40.55 0.00 8.76 2.34 0.02 48.33 17:33:01 2 38.06 0.00 8.96 5.06 0.03 47.88 17:33:01 3 39.71 0.00 8.70 2.66 0.02 48.92 17:33:01 4 40.42 0.00 7.50 0.83 0.03 51.22 17:33:01 5 38.92 0.00 8.09 4.12 0.02 48.85 17:33:01 6 37.63 0.00 8.47 2.24 0.03 51.63 17:33:01 7 39.63 0.00 7.95 1.59 0.02 50.83 17:34:01 all 52.64 0.00 7.09 0.28 0.03 39.97 17:34:01 0 50.94 0.00 7.28 0.03 0.03 41.71 17:34:01 1 54.05 0.00 7.44 0.13 0.03 38.35 17:34:01 2 52.78 0.00 7.00 0.05 0.02 40.16 17:34:01 3 52.02 0.00 6.85 0.03 0.02 41.08 17:34:01 4 50.57 0.00 7.01 0.17 0.00 42.25 17:34:01 5 51.04 0.00 6.80 1.37 0.02 40.78 17:34:01 6 50.48 0.00 6.89 0.35 0.03 42.24 17:34:01 7 59.25 0.00 7.45 0.07 0.03 33.20 17:35:01 all 8.78 0.23 4.06 1.09 0.01 85.82 17:35:01 0 8.10 0.00 3.47 0.45 0.02 87.97 17:35:01 1 10.12 0.59 3.76 1.95 0.02 83.56 17:35:01 2 7.50 0.00 4.32 0.08 0.02 88.08 17:35:01 3 5.99 0.00 5.10 0.18 0.02 88.70 17:35:01 4 8.76 0.00 4.97 3.60 0.03 82.63 17:35:01 5 8.88 0.00 4.35 1.59 0.02 85.17 17:35:01 6 14.08 1.24 3.21 0.34 0.02 81.12 17:35:01 7 6.83 0.00 3.34 0.56 0.02 89.26 17:36:01 all 11.14 0.00 1.30 0.67 0.01 86.87 17:36:01 0 3.78 0.00 1.13 0.13 0.00 94.95 17:36:01 1 7.17 0.00 1.02 0.67 0.02 91.12 17:36:01 2 14.47 0.00 1.29 1.14 0.02 83.09 17:36:01 3 3.82 0.00 1.03 0.05 0.02 95.08 17:36:01 4 6.15 0.00 1.20 0.20 0.02 92.43 17:36:01 5 10.61 0.00 1.37 2.16 0.02 85.84 17:36:01 6 21.63 0.00 1.99 0.59 0.02 75.77 17:36:01 7 21.53 0.00 1.37 0.42 0.00 76.68 Average: all 27.88 0.06 5.20 1.19 0.02 65.65 Average: 0 25.06 0.00 5.06 0.92 0.02 68.94 Average: 1 27.95 0.15 5.23 1.27 0.02 65.38 Average: 2 28.19 0.00 5.39 1.58 0.02 64.81 Average: 3 25.31 0.00 5.41 0.73 0.02 68.54 Average: 4 26.45 0.00 5.16 1.20 0.02 67.17 Average: 5 27.38 0.00 5.15 2.31 0.02 65.15 Average: 6 30.93 0.31 5.13 0.87 0.03 62.73 Average: 7 31.82 0.00 5.02 0.66 0.02 62.49