---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6221 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/c98446a868263c8a1505087bcd03a37bddbd1c491e0ee65f9c1b8251723f344f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9db0a38ac8bc646b8606da04a49d5d24cdd63290336d05d6b2d25b9fd97f4a70/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/683eb420324b09fdb1d556e7dbdb1eae3684b8a10d701ecc0bdbad27ed651726/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d242edae8faf9f4813c7d160f4b48871779c28daff05574416cf4447de5fee05/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9b22c1c9ae28bd1e316de7f4bc1a293bb50d3d18b398bb4a817de2ddb87fb664/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1527 24166 1 6473 30183 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:19:c9:fe brd ff:ff:ff:ff:ff:ff inet 10.30.106.203/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86026sec preferred_lft 86026sec inet6 fe80::f816:3eff:fe19:c9fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d3:01:7e:bd 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:d3ff:fe01:7ebd/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ce:33:4e:60:02:08 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::cc33:4eff:fe60:208/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 86:a1:94:6d:c0:2c 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::84a1:94ff:fe6d:c02c/64 scope link valid_lft forever preferred_lft forever 8: vethb2c68e3d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:42:e0:d7:f1:b8 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7c42:e0ff:fed7:f1b8/64 scope link valid_lft forever preferred_lft forever 9: veth6b58a251@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9a:2d:2a:da:8d:84 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::982d:2aff:feda:8d84/64 scope link valid_lft forever preferred_lft forever 10: vethfb0351ed@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f6:47:9d:b6:45:05 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f447:9dff:feb6:4505/64 scope link valid_lft forever preferred_lft forever 13: veth682db86b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:c7:06:04:ce:ee brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::74c7:6ff:fe04:ceee/64 scope link valid_lft forever preferred_lft forever 14: vethdfe7dbd0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:3b:db:eb:eb:a7 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::3c3b:dbff:feeb:eba7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6221) 10/29/26 _x86_64_ (8 CPU) 13:03:43 LINUX RESTART (8 CPU) 13:04:01 tps rtps wtps bread/s bwrtn/s 13:05:01 282.80 88.25 194.55 5405.23 63843.09 13:06:01 425.07 48.48 376.59 2926.49 132415.46 13:07:01 79.27 0.02 79.25 0.13 48928.11 13:08:01 191.27 3.48 187.79 483.12 123921.88 13:09:01 107.93 20.73 87.20 813.73 41824.36 Average: 217.28 32.19 185.08 1925.77 82188.26 13:04:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:05:01 30225008 31757844 2714212 8.24 44620 1807868 1462632 4.44 962044 1480096 313000 13:06:01 26145644 30897140 6793576 20.62 118040 4749184 3352204 10.18 2463820 3743860 362536 13:07:01 25134912 30929212 7804308 23.69 121444 5747256 3365168 10.22 2968692 4208340 818172 13:08:01 25572076 31014564 7367144 22.37 130040 5472516 3231540 9.81 2286176 4538064 536 13:09:01 25012972 30927736 7926248 24.06 143332 5898924 3282352 9.96 2492928 4851208 179352 Average: 26418122 31105299 6521098 19.80 111495 4735150 2938779 8.92 2234732 3764314 334719 13:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:05:01 lo 1.70 1.70 0.18 0.18 0.00 0.00 0.00 0.00 13:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:05:01 ens3 408.02 324.76 1341.68 78.91 0.00 0.00 0.00 0.00 13:06:01 lo 224.18 224.18 172.71 172.71 0.00 0.00 0.00 0.00 13:06:01 veth682db86b 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 13:06:01 docker0 95.52 147.67 7.50 1501.01 0.00 0.00 0.00 0.00 13:06:01 veth12afa1f 95.52 147.80 8.81 1501.02 0.00 0.00 0.00 0.12 13:07:01 lo 13.23 13.23 4.69 4.69 0.00 0.00 0.00 0.00 13:07:01 veth682db86b 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:07:01 docker0 0.50 0.60 0.04 0.44 0.00 0.00 0.00 0.00 13:07:01 veth12afa1f 0.50 0.63 0.05 0.44 0.00 0.00 0.00 0.00 13:08:01 lo 17.31 17.31 4.36 4.36 0.00 0.00 0.00 0.00 13:08:01 veth682db86b 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 13:08:01 docker0 0.07 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:08:01 ens3 1320.10 817.81 18010.63 125.68 0.00 0.00 0.00 0.00 13:09:01 lo 43.49 43.49 17.35 17.35 0.00 0.00 0.00 0.00 13:09:01 veth682db86b 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 13:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:09:01 ens3 105.27 62.56 1676.55 10.81 0.00 0.00 0.00 0.00 Average: lo 59.99 59.99 39.86 39.86 0.00 0.00 0.00 0.00 Average: veth682db86b 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 Average: docker0 19.22 29.68 1.51 300.33 0.00 0.00 0.00 0.00 Average: ens3 283.99 175.00 3937.07 27.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6221) 10/29/26 _x86_64_ (8 CPU) 13:03:43 LINUX RESTART (8 CPU) 13:04:01 CPU %user %nice %system %iowait %steal %idle 13:05:01 all 5.96 0.42 1.43 12.32 0.01 79.86 13:05:01 0 5.09 0.00 1.29 25.77 0.00 67.86 13:05:01 1 7.04 0.00 1.00 8.97 0.00 82.99 13:05:01 2 11.74 0.00 1.52 1.25 0.02 85.47 13:05:01 3 6.84 0.00 1.02 0.67 0.00 91.47 13:05:01 4 6.85 0.00 1.91 9.89 0.00 81.35 13:05:01 5 4.12 3.32 1.28 0.70 0.00 90.58 13:05:01 6 3.18 0.00 1.10 35.33 0.00 60.39 13:05:01 7 2.91 0.03 2.27 15.93 0.02 78.84 13:06:01 all 29.00 0.24 7.73 7.06 0.02 55.96 13:06:01 0 27.50 0.00 8.05 7.41 0.02 57.02 13:06:01 1 29.64 0.00 7.80 6.12 0.02 56.43 13:06:01 2 29.70 1.86 8.07 12.85 0.03 47.48 13:06:01 3 27.80 0.00 7.58 8.17 0.03 56.42 13:06:01 4 28.79 0.00 7.41 7.41 0.02 56.38 13:06:01 5 29.70 0.00 8.03 5.94 0.02 56.31 13:06:01 6 28.31 0.00 7.83 4.41 0.02 59.43 13:06:01 7 30.50 0.00 7.06 4.18 0.02 58.25 13:07:01 all 54.98 0.00 6.98 0.92 0.03 37.10 13:07:01 0 53.86 0.00 6.59 0.44 0.03 39.08 13:07:01 1 52.47 0.00 7.04 0.91 0.02 39.57 13:07:01 2 57.78 0.00 7.28 0.44 0.03 34.47 13:07:01 3 54.43 0.00 6.75 0.49 0.02 38.31 13:07:01 4 57.52 0.00 7.24 0.02 0.03 35.19 13:07:01 5 53.30 0.00 7.00 2.03 0.03 37.63 13:07:01 6 54.02 0.00 6.82 0.00 0.03 39.13 13:07:01 7 56.48 0.00 7.08 3.04 0.02 33.38 13:08:01 all 19.52 0.20 4.81 6.62 0.02 68.83 13:08:01 0 17.60 0.00 4.39 6.44 0.02 71.55 13:08:01 1 18.49 0.92 4.85 10.97 0.02 64.74 13:08:01 2 19.41 0.00 5.42 10.27 0.02 64.89 13:08:01 3 18.50 0.00 3.89 1.73 0.02 75.88 13:08:01 4 27.15 0.00 4.01 3.11 0.02 65.71 13:08:01 5 19.12 0.00 5.58 17.77 0.02 57.52 13:08:01 6 18.67 0.02 3.85 0.69 0.00 76.77 13:08:01 7 17.22 0.68 6.45 1.99 0.02 73.65 13:09:01 all 7.90 0.00 1.50 2.38 0.01 88.21 13:09:01 0 6.32 0.00 1.56 0.18 0.02 91.92 13:09:01 1 6.17 0.00 1.83 1.95 0.02 90.04 13:09:01 2 8.24 0.00 1.17 7.65 0.02 82.92 13:09:01 3 11.98 0.00 1.53 3.05 0.02 83.43 13:09:01 4 6.99 0.00 1.42 0.89 0.02 90.68 13:09:01 5 3.88 0.00 1.28 0.67 0.02 94.16 13:09:01 6 8.27 0.00 1.47 0.27 0.02 89.97 13:09:01 7 11.34 0.00 1.78 4.30 0.02 82.56 Average: all 23.44 0.17 4.48 5.86 0.02 66.03 Average: 0 22.06 0.00 4.37 8.06 0.02 65.50 Average: 1 22.73 0.18 4.50 5.79 0.01 66.79 Average: 2 25.35 0.37 4.68 6.48 0.02 63.10 Average: 3 23.89 0.00 4.15 2.81 0.02 69.14 Average: 4 25.40 0.00 4.39 4.26 0.02 65.93 Average: 5 22.00 0.67 4.63 5.41 0.02 67.28 Average: 6 22.45 0.00 4.20 8.18 0.01 65.15 Average: 7 23.65 0.14 4.92 5.91 0.02 65.36