---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3439 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 49M 49M 0 100% /snap/snapd/25935 /dev/loop1 67M 67M 0 100% /snap/core24/1267 /dev/loop2 21M 21M 0 100% /snap/helm/497 ---> free -m: total used free shared buff/cache available Mem: 32167 1613 23947 2 6605 30096 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:d0:ea:42 brd ff:ff:ff:ff:ff:ff inet 10.30.106.54/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86004sec preferred_lft 86004sec inet6 fe80::f816:3eff:fed0:ea42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:73:e7:70:44 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::42:73ff:fee7:7044/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4e:81:c3:10:a7:6b 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::4c81:c3ff:fe10:a76b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 8e:19:2f:3a:da:b1 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::8c19:2fff:fe3a:dab1/64 scope link valid_lft forever preferred_lft forever 6: veth9f24354c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8e:0d:da:92:fd:87 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8c0d:daff:fe92:fd87/64 scope link valid_lft forever preferred_lft forever 7: vethdec6e510@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 96:d1:82:55:5f:c1 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::94d1:82ff:fe55:5fc1/64 scope link valid_lft forever preferred_lft forever 8: veth81062fdd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:2a:80:ba:16:cc brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f42a:80ff:feba:16cc/64 scope link valid_lft forever preferred_lft forever 13: veth14c2c600@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:94:fa:32:e1:d2 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b894:faff:fe32:e1d2/64 scope link valid_lft forever preferred_lft forever 14: veth35f8289b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3a:d8:2c:34:01:c2 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::38d8:2cff:fe34:1c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3439) 01/27/26 _x86_64_ (8 CPU) 15:25:15 LINUX RESTART (8 CPU) 15:26:02 tps rtps wtps bread/s bwrtn/s 15:27:01 363.87 119.19 244.68 6453.39 86429.13 15:28:01 376.51 3.03 373.48 362.41 119818.19 15:29:01 158.16 3.27 154.89 447.39 87220.40 15:30:01 128.61 1.90 126.71 91.32 67470.89 15:31:01 105.90 20.63 85.27 764.54 12411.53 Average: 226.17 29.31 196.86 1608.10 74633.40 15:26:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:27:01 27937284 31158752 5001936 15.19 71644 3417820 2472924 7.51 1826236 2759040 1083368 15:28:01 25491864 30950316 7447356 22.61 135448 5399332 3138228 9.53 2757816 4060404 1055440 15:29:01 26438536 31033796 6500684 19.74 137352 4663852 2663164 8.09 2263536 3746088 441436 15:30:01 25319588 30901552 7619632 23.13 154344 5583292 3740912 11.36 2556792 4502528 2176 15:31:01 24667540 30828664 8271680 25.11 191524 6087964 3583524 10.88 2720140 4950520 160120 Average: 25970962 30974616 6968258 21.15 138062 5030452 3119750 9.47 2424904 4003716 548508 15:26:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:27:01 veth81062fdd 0.46 1.03 0.09 0.19 0.00 0.00 0.00 0.00 15:27:01 cni0 16.23 14.96 18.41 30.76 0.00 0.00 0.51 0.00 15:27:01 veth9f24354c 0.90 1.51 0.18 0.43 0.00 0.00 0.00 0.00 15:27:01 vethdec6e510 1.30 1.98 0.34 0.83 0.00 0.00 0.00 0.00 15:28:01 veth81062fdd 0.17 0.57 0.01 0.05 0.00 0.00 0.00 0.00 15:28:01 veth35f8289b 4.53 3.95 0.91 2.30 0.00 0.00 0.00 0.00 15:28:01 veth14c2c600 0.15 0.47 0.01 0.04 0.00 0.00 0.00 0.00 15:28:01 cni0 33.29 31.01 22.65 84.70 0.00 0.00 0.43 0.00 15:29:01 veth81062fdd 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 15:29:01 veth35f8289b 1.40 1.55 0.11 0.17 0.00 0.00 0.00 0.00 15:29:01 veth14c2c600 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 cni0 11.63 13.51 3.01 2.19 0.00 0.00 0.07 0.00 15:30:01 veth81062fdd 0.12 0.17 0.01 0.02 0.00 0.00 0.00 0.00 15:30:01 veth35f8289b 1.38 1.52 0.11 0.17 0.00 0.00 0.00 0.00 15:30:01 veth14c2c600 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 cni0 11.80 13.20 3.02 2.17 0.00 0.00 0.07 0.00 15:31:01 veth81062fdd 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 15:31:01 veth35f8289b 1.60 1.85 0.13 0.56 0.00 0.00 0.00 0.00 15:31:01 veth14c2c600 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 15:31:01 cni0 12.36 13.81 3.07 2.93 0.00 0.00 0.10 0.00 Average: veth81062fdd 0.20 0.43 0.02 0.06 0.00 0.00 0.00 0.00 Average: veth35f8289b 1.79 1.78 0.25 0.64 0.00 0.00 0.00 0.00 Average: veth14c2c600 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 Average: cni0 17.07 17.31 10.00 24.53 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3439) 01/27/26 _x86_64_ (8 CPU) 15:25:15 LINUX RESTART (8 CPU) 15:26:02 CPU %user %nice %system %iowait %steal %idle 15:27:01 all 13.46 0.68 3.91 4.41 0.07 77.47 15:27:01 0 13.06 3.55 4.40 2.65 0.08 76.26 15:27:01 1 11.40 1.80 3.95 2.06 0.07 80.72 15:27:01 2 17.45 0.00 4.51 14.40 0.09 63.56 15:27:01 3 12.82 0.02 3.89 1.38 0.07 81.83 15:27:01 4 11.07 0.00 3.59 6.47 0.07 78.80 15:27:01 5 12.66 0.00 3.68 4.18 0.07 79.41 15:27:01 6 12.32 0.00 3.48 2.13 0.07 82.00 15:27:01 7 16.90 0.00 3.76 2.09 0.05 77.20 15:28:01 all 36.92 0.00 5.90 8.55 0.11 48.51 15:28:01 0 37.07 0.00 5.78 3.67 0.12 53.36 15:28:01 1 37.06 0.00 5.68 7.34 0.10 49.81 15:28:01 2 37.16 0.00 6.47 15.43 0.14 40.81 15:28:01 3 35.71 0.00 5.97 2.99 0.13 55.20 15:28:01 4 37.26 0.00 5.26 11.98 0.12 45.38 15:28:01 5 37.09 0.00 6.47 4.40 0.12 51.92 15:28:01 6 36.89 0.00 5.94 3.04 0.10 54.03 15:28:01 7 37.12 0.00 5.59 19.61 0.12 37.56 15:29:01 all 37.33 0.22 5.69 1.69 0.09 54.98 15:29:01 0 36.25 0.00 5.20 2.64 0.08 55.83 15:29:01 1 38.28 0.00 6.40 0.37 0.10 54.85 15:29:01 2 40.70 0.00 6.05 2.89 0.08 50.28 15:29:01 3 33.89 0.00 5.08 2.11 0.07 58.84 15:29:01 4 36.49 0.00 5.07 3.83 0.10 54.51 15:29:01 5 40.41 0.00 5.92 0.27 0.08 53.32 15:29:01 6 37.80 1.76 6.33 0.22 0.08 53.80 15:29:01 7 34.83 0.00 5.54 1.14 0.08 58.40 15:30:01 all 5.64 0.00 2.97 5.07 0.07 86.25 15:30:01 0 7.35 0.00 2.61 5.91 0.07 84.06 15:30:01 1 5.40 0.00 3.52 10.71 0.08 80.29 15:30:01 2 7.38 0.00 2.38 17.33 0.08 72.83 15:30:01 3 4.20 0.00 3.66 1.86 0.07 90.21 15:30:01 4 4.61 0.00 2.69 0.84 0.07 91.78 15:30:01 5 7.14 0.00 2.57 0.12 0.07 90.11 15:30:01 6 4.99 0.00 3.77 1.28 0.08 89.88 15:30:01 7 4.04 0.00 2.51 2.53 0.08 90.83 15:31:01 all 8.84 0.00 1.90 0.88 0.08 88.30 15:31:01 0 4.89 0.00 1.66 0.07 0.07 93.32 15:31:01 1 10.24 0.00 1.66 0.64 0.07 87.40 15:31:01 2 7.02 0.00 1.67 1.37 0.08 89.86 15:31:01 3 12.09 0.00 3.80 0.85 0.08 83.17 15:31:01 4 10.90 0.00 1.90 3.00 0.08 84.12 15:31:01 5 2.57 0.00 1.18 0.07 0.08 96.10 15:31:01 6 16.05 0.00 1.84 0.90 0.08 81.12 15:31:01 7 6.94 0.00 1.44 0.15 0.05 91.42 Average: all 20.44 0.18 4.07 4.11 0.08 71.11 Average: 0 19.72 0.70 3.93 2.98 0.08 72.58 Average: 1 20.47 0.36 4.24 4.22 0.08 70.62 Average: 2 21.93 0.00 4.21 10.25 0.09 63.51 Average: 3 19.74 0.00 4.48 1.84 0.08 73.85 Average: 4 20.10 0.00 3.70 5.21 0.09 70.91 Average: 5 19.98 0.00 3.96 1.80 0.08 74.18 Average: 6 21.63 0.35 4.27 1.51 0.08 72.15 Average: 7 19.96 0.00 3.77 5.10 0.08 71.09