---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6196 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/0c89e55baefd094777dedf65a5b642f236584d33a20ba6c6f6aad7eeabd48388/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/fb790b33f1dad186fa0974b755b27349b37cc299d90bbd8c610709635fd06aba/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c923f5091edd37342721ca7e654f9351e62caca39a12bb45e95e71d2721cfa12/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/fee4d34ec24d7d1a56dce71e06fcf51b3fa89d044b1b032351744e9358b4d657/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8c7c4415a8fef0d9e908c33b5c96c605909824c47bf8062842f7c2fc2b8016c6/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1549 24150 1 6467 30161 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:91:c9:bf brd ff:ff:ff:ff:ff:ff inet 10.30.107.2/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86082sec preferred_lft 86082sec inet6 fe80::f816:3eff:fe91:c9bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c2:7e:05:75 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:c2ff:fe7e:575/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 52:58:7c:c5:0d:d6 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::5058:7cff:fec5:dd6/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether fe:be:1e:85:a9:e4 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::fcbe:1eff:fe85:a9e4/64 scope link valid_lft forever preferred_lft forever 10: vethbdd020c4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:24:bc:4c:b0:c6 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::f024:bcff:fe4c:b0c6/64 scope link valid_lft forever preferred_lft forever 11: veth45b79f35@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ce:30:03:3e:d5:83 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::cc30:3ff:fe3e:d583/64 scope link valid_lft forever preferred_lft forever 12: veth218e2a9c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:b6:94:a3:c5:9b brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::54b6:94ff:fea3:c59b/64 scope link valid_lft forever preferred_lft forever 13: veth01c0b2a6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:4d:e2:db:f5:cb brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::3c4d:e2ff:fedb:f5cb/64 scope link valid_lft forever preferred_lft forever 14: vethf2d8f164@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:d8:19:24:1a:b9 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::20d8:19ff:fe24:1ab9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6196) 10/29/26 _x86_64_ (8 CPU) 12:06:39 LINUX RESTART (8 CPU) 12:07:02 tps rtps wtps bread/s bwrtn/s 12:08:01 525.33 127.32 398.02 7193.09 153756.04 12:09:01 283.02 0.87 282.15 9.87 89728.25 12:10:01 174.30 3.47 170.84 470.45 80577.10 12:11:01 122.91 20.50 102.42 776.54 36732.28 Average: 275.35 37.66 237.69 2091.23 89932.53 12:07:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:08:01 27925316 31203584 5013904 15.22 85604 3420312 2373592 7.21 1775940 2787576 196772 12:09:01 25846572 31045412 7092648 21.53 120684 5169644 2787604 8.46 2614932 3866496 553016 12:10:01 25912592 31063412 7026628 21.33 126064 5201836 2914192 8.85 2230920 4272384 520752 12:11:01 24990816 30861056 7948404 24.13 135428 5870572 3332980 10.12 2567992 4806920 158008 Average: 26168824 31043366 6770396 20.55 116945 4915591 2852092 8.66 2297446 3933344 357137 12:07:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:08:01 vethf844a281 0.10 0.41 0.01 0.03 0.00 0.00 0.00 0.00 12:08:01 ens3 797.88 507.56 9854.09 90.93 0.00 0.00 0.00 0.00 12:08:01 cni0 0.27 0.10 0.02 0.01 0.00 0.00 0.25 0.00 12:08:01 vethfb41037 49.67 75.56 4.00 452.17 0.00 0.00 0.00 0.04 12:09:01 veth218e2a9c 8.35 10.11 2.59 2.43 0.00 0.00 0.00 0.00 12:09:01 veth45b79f35 0.58 1.23 0.10 0.19 0.00 0.00 0.00 0.00 12:09:01 ens3 252.31 157.59 2877.31 16.61 0.00 0.00 0.00 0.00 12:09:01 cni0 40.23 38.56 21.44 92.37 0.00 0.00 0.63 0.00 12:10:01 veth218e2a9c 7.17 8.53 2.14 0.99 0.00 0.00 0.00 0.00 12:10:01 veth45b79f35 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 12:10:01 ens3 272.57 144.53 5380.69 12.78 0.00 0.00 0.00 0.00 12:10:01 cni0 11.76 13.41 2.39 1.48 0.00 0.00 0.08 0.00 12:11:01 veth218e2a9c 7.40 8.63 2.16 1.20 0.00 0.00 0.00 0.00 12:11:01 veth45b79f35 0.12 0.27 0.01 0.03 0.00 0.00 0.00 0.00 12:11:01 ens3 131.89 83.34 1643.87 11.07 0.00 0.00 0.00 0.00 12:11:01 cni0 12.51 13.66 2.44 1.99 0.00 0.00 0.17 0.00 Average: veth218e2a9c 5.75 6.85 1.73 1.16 0.00 0.00 0.00 0.00 Average: veth45b79f35 0.21 0.42 0.03 0.06 0.00 0.00 0.00 0.00 Average: ens3 361.85 222.06 4918.43 32.60 0.00 0.00 0.00 0.00 Average: cni0 16.26 16.50 6.60 24.06 0.00 0.00 0.28 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6196) 10/29/26 _x86_64_ (8 CPU) 12:06:39 LINUX RESTART (8 CPU) 12:07:02 CPU %user %nice %system %iowait %steal %idle 12:08:01 all 15.26 0.58 4.65 2.78 0.02 76.70 12:08:01 0 14.05 0.00 6.25 4.55 0.02 75.13 12:08:01 1 14.38 0.00 4.27 0.61 0.02 80.72 12:08:01 2 13.85 3.18 3.96 5.86 0.02 73.13 12:08:01 3 20.42 0.02 5.03 4.72 0.00 69.81 12:08:01 4 14.78 0.00 4.69 0.84 0.05 79.64 12:08:01 5 13.69 0.00 3.68 3.08 0.02 79.52 12:08:01 6 14.78 1.45 4.28 1.25 0.02 78.22 12:08:01 7 16.18 0.00 5.03 1.35 0.00 77.44 12:09:01 all 44.84 0.00 6.58 1.24 0.02 47.32 12:09:01 0 46.44 0.00 7.09 1.14 0.02 45.31 12:09:01 1 41.94 0.00 6.35 1.11 0.02 50.59 12:09:01 2 44.54 0.00 6.77 1.02 0.03 47.63 12:09:01 3 45.07 0.00 6.78 1.28 0.02 46.86 12:09:01 4 48.24 0.00 6.70 0.71 0.02 44.33 12:09:01 5 43.31 0.00 5.88 0.96 0.02 49.83 12:09:01 6 43.12 0.00 6.69 1.65 0.03 48.50 12:09:01 7 46.01 0.00 6.38 2.06 0.03 45.51 12:10:01 all 41.49 0.19 7.26 0.95 0.02 50.08 12:10:01 0 42.07 0.00 8.04 1.45 0.03 48.40 12:10:01 1 40.55 0.00 6.88 0.37 0.02 52.18 12:10:01 2 42.80 0.00 8.14 0.99 0.02 48.05 12:10:01 3 41.75 0.00 7.62 3.48 0.02 47.14 12:10:01 4 40.05 0.00 6.61 1.01 0.02 52.31 12:10:01 5 40.06 1.52 6.60 0.12 0.00 51.70 12:10:01 6 45.55 0.00 6.70 0.10 0.02 47.63 12:10:01 7 39.14 0.00 7.48 0.10 0.03 53.25 12:11:01 all 8.16 0.00 1.98 0.74 0.01 89.12 12:11:01 0 11.35 0.00 2.25 1.41 0.00 84.99 12:11:01 1 2.99 0.00 2.47 0.05 0.02 94.48 12:11:01 2 5.34 0.00 1.90 0.18 0.02 92.55 12:11:01 3 15.02 0.00 2.29 1.37 0.02 81.29 12:11:01 4 4.91 0.00 1.10 0.35 0.02 93.62 12:11:01 5 6.87 0.00 1.75 1.76 0.02 89.60 12:11:01 6 9.02 0.00 1.98 0.37 0.00 88.64 12:11:01 7 9.80 0.00 2.10 0.40 0.00 87.70 Average: all 27.45 0.19 5.11 1.42 0.02 65.80 Average: 0 28.50 0.00 5.90 2.13 0.02 63.46 Average: 1 24.97 0.00 4.99 0.53 0.02 69.49 Average: 2 26.69 0.78 5.20 2.00 0.02 65.31 Average: 3 30.58 0.00 5.43 2.70 0.01 61.27 Average: 4 26.92 0.00 4.76 0.72 0.03 67.58 Average: 5 26.02 0.38 4.48 1.48 0.01 67.63 Average: 6 28.13 0.36 4.91 0.84 0.02 65.74 Average: 7 27.84 0.00 5.25 0.98 0.02 65.91