---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19981 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 nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 2.1M 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 4.0K 3.2G 1% /run/user/1001 /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1225 /dev/loop2 22M 22M 0 100% /snap/helm/485 ---> free -m: total used free shared buff/cache available Mem: 32167 1567 24010 2 6589 30142 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:8e:59:10 brd ff:ff:ff:ff:ff:ff inet 10.30.106.111/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86006sec preferred_lft 86006sec inet6 fe80::f816:3eff:fe8e:5910/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a0:2d:11:cc 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:a0ff:fe2d:11cc/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether be:0a:dd:33:b8:e1 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::bc0a:ddff:fe33:b8e1/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether c6:b4:d4:1c:61:9f 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::c4b4:d4ff:fe1c:619f/64 scope link valid_lft forever preferred_lft forever 8: vethc6d140f7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 4a:c9:25:f7:6e:a0 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::48c9:25ff:fef7:6ea0/64 scope link valid_lft forever preferred_lft forever 9: vethd501500c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 5e:3c:62:36:d4:7c brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5c3c:62ff:fe36:d47c/64 scope link valid_lft forever preferred_lft forever 10: veth56cab0b8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 5a:8e:f5:f5:9c:79 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::588e:f5ff:fef5:9c79/64 scope link valid_lft forever preferred_lft forever 13: veth0838d064@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 1a:90:62:0d:ad:49 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::1890:62ff:fe0d:ad49/64 scope link valid_lft forever preferred_lft forever 14: veth67e1e972@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether de:27:36:58:f3:f7 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::dc27:36ff:fe58:f3f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19981) 12/11/25 _x86_64_ (8 CPU) 09:50:27 LINUX RESTART (8 CPU) 09:51:01 tps rtps wtps bread/s bwrtn/s 09:52:01 278.52 93.40 185.12 3819.10 101270.59 09:53:01 399.32 3.70 395.62 351.27 128770.80 09:54:01 156.46 3.28 153.17 447.26 61417.10 09:55:01 99.28 2.12 97.17 76.52 53278.85 09:56:01 99.55 20.30 79.25 752.27 9673.99 Average: 206.63 24.56 182.07 1089.29 70882.27 09:51:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:52:01 27694432 31136628 5244788 15.92 73000 3631688 2651872 8.05 1848236 2972524 1167780 09:53:01 26096568 31129380 6842652 20.77 132684 4985888 2777396 8.43 2118060 4107492 559120 09:54:01 26431516 31080804 6507704 19.76 136236 4711484 2656724 8.07 2210480 3795148 584 09:55:01 25199016 30954340 7740204 23.50 180556 5727744 3481636 10.57 2557060 4619024 2368 09:56:01 24764872 30909620 8174348 24.82 189864 6073288 3479968 10.56 2632528 4939452 147300 Average: 26037281 31042154 6901939 20.95 142468 5026018 3009519 9.14 2273273 4086728 375430 09:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:52:01 vetha432f28f 1.55 2.08 0.25 4.61 0.00 0.00 0.00 0.00 09:52:01 veth47e0b138 15.85 14.55 25.03 35.63 0.00 0.00 0.00 0.00 09:52:01 cni0 20.06 17.28 25.60 41.45 0.00 0.00 0.50 0.00 09:52:01 vethc6d140f7 1.35 1.88 0.34 0.86 0.00 0.00 0.00 0.00 09:53:01 cni0 28.33 28.63 15.07 72.57 0.00 0.00 0.45 0.00 09:53:01 vethc6d140f7 7.45 9.17 3.04 2.74 0.00 0.00 0.00 0.00 09:53:01 veth56cab0b8 3.55 4.52 0.42 0.86 0.00 0.00 0.00 0.00 09:53:01 lo 264.02 264.02 293.08 293.08 0.00 0.00 0.00 0.00 09:54:01 veth70b9a93 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 09:54:01 cni0 11.73 13.21 3.01 2.16 0.00 0.00 0.03 0.00 09:54:01 vethc6d140f7 7.15 8.38 2.77 1.70 0.00 0.00 0.00 0.00 09:54:01 veth56cab0b8 3.05 3.28 0.28 0.28 0.00 0.00 0.00 0.00 09:55:01 cni0 11.96 13.10 3.03 2.16 0.00 0.00 0.08 0.00 09:55:01 vethc6d140f7 7.30 8.45 2.78 1.71 0.00 0.00 0.00 0.00 09:55:01 veth56cab0b8 3.10 3.28 0.29 0.28 0.00 0.00 0.00 0.00 09:55:01 lo 303.77 303.77 304.87 304.87 0.00 0.00 0.00 0.00 09:56:01 cni0 12.31 13.95 3.06 2.88 0.00 0.00 0.10 0.00 09:56:01 vethc6d140f7 7.37 8.72 2.80 1.92 0.00 0.00 0.00 0.00 09:56:01 veth56cab0b8 3.15 3.53 0.29 0.40 0.00 0.00 0.00 0.00 09:56:01 lo 38.54 38.54 15.28 15.28 0.00 0.00 0.00 0.00 Average: cni0 16.88 17.23 9.96 24.25 0.00 0.00 0.23 0.00 Average: vethc6d140f7 6.12 7.32 2.35 1.79 0.00 0.00 0.00 0.00 Average: veth56cab0b8 2.57 2.92 0.25 0.37 0.00 0.00 0.00 0.00 Average: lo 67.69 67.69 63.96 63.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19981) 12/11/25 _x86_64_ (8 CPU) 09:50:27 LINUX RESTART (8 CPU) 09:51:01 CPU %user %nice %system %iowait %steal %idle 09:52:01 all 12.65 0.71 3.72 8.14 0.08 74.70 09:52:01 0 14.08 0.00 3.80 2.91 0.07 79.15 09:52:01 1 12.19 0.00 3.95 3.61 0.10 80.14 09:52:01 2 11.74 0.00 3.86 9.09 0.08 75.22 09:52:01 3 12.57 0.00 3.52 3.32 0.07 80.52 09:52:01 4 9.62 0.00 3.45 9.94 0.07 76.92 09:52:01 5 21.51 0.00 3.64 2.05 0.12 72.68 09:52:01 6 9.32 5.60 3.66 24.33 0.08 57.00 09:52:01 7 10.20 0.02 3.88 9.75 0.08 76.07 09:53:01 all 37.51 0.00 5.95 8.65 0.12 47.77 09:53:01 0 37.45 0.00 6.22 6.93 0.12 49.29 09:53:01 1 36.81 0.00 5.43 18.12 0.12 39.52 09:53:01 2 36.74 0.00 6.49 19.47 0.15 37.15 09:53:01 3 38.37 0.00 5.85 3.75 0.14 51.89 09:53:01 4 39.07 0.00 6.16 4.57 0.12 50.08 09:53:01 5 36.16 0.00 5.83 3.46 0.12 54.43 09:53:01 6 39.18 0.00 5.70 6.93 0.12 48.07 09:53:01 7 36.28 0.00 5.89 5.99 0.12 51.73 09:54:01 all 36.22 0.20 5.78 2.44 0.10 55.26 09:54:01 0 33.54 0.00 5.80 0.12 0.10 60.45 09:54:01 1 35.62 1.59 5.23 0.12 0.10 57.34 09:54:01 2 39.75 0.00 6.38 0.03 0.10 53.74 09:54:01 3 34.78 0.00 5.39 5.56 0.10 54.16 09:54:01 4 37.24 0.00 6.41 2.00 0.08 54.26 09:54:01 5 37.74 0.00 5.83 7.03 0.12 49.29 09:54:01 6 35.72 0.00 5.60 0.10 0.10 58.48 09:54:01 7 35.34 0.00 5.55 4.57 0.10 54.44 09:55:01 all 5.75 0.00 2.99 5.88 0.10 85.28 09:55:01 0 6.46 0.00 2.82 1.36 0.08 89.27 09:55:01 1 6.45 0.00 2.51 0.72 0.08 90.24 09:55:01 2 4.75 0.00 4.75 0.74 0.15 89.62 09:55:01 3 6.10 0.00 2.49 2.10 0.07 89.25 09:55:01 4 7.15 0.00 2.49 4.53 0.10 85.72 09:55:01 5 3.98 0.00 3.32 9.11 0.07 83.52 09:55:01 6 5.11 0.00 2.56 6.02 0.07 86.25 09:55:01 7 6.00 0.00 3.01 22.47 0.13 68.38 09:56:01 all 9.42 0.00 1.41 1.33 0.09 87.74 09:56:01 0 23.70 0.00 2.09 5.23 0.12 68.86 09:56:01 1 9.52 0.00 1.40 0.55 0.05 88.47 09:56:01 2 14.27 0.00 1.83 1.56 0.10 82.24 09:56:01 3 7.42 0.00 1.24 0.42 0.10 90.82 09:56:01 4 6.19 0.00 1.17 0.94 0.10 91.60 09:56:01 5 7.82 0.00 1.37 0.22 0.08 90.50 09:56:01 6 1.60 0.00 0.88 1.46 0.12 95.94 09:56:01 7 4.79 0.00 1.27 0.25 0.10 93.58 Average: all 20.29 0.18 3.97 5.28 0.10 70.18 Average: 0 23.03 0.00 4.14 3.31 0.10 69.42 Average: 1 20.11 0.32 3.70 4.61 0.09 71.16 Average: 2 21.43 0.00 4.66 6.17 0.12 67.62 Average: 3 19.80 0.00 3.69 3.03 0.09 73.39 Average: 4 19.86 0.00 3.94 4.39 0.09 71.72 Average: 5 21.43 0.00 4.00 4.37 0.10 70.11 Average: 6 18.16 1.12 3.67 7.78 0.10 69.17 Average: 7 18.50 0.00 3.92 8.60 0.11 68.88