---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-20214 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 1619 23952 2 6595 30090 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:3c:2f:7d brd ff:ff:ff:ff:ff:ff inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85931sec preferred_lft 85931sec inet6 fe80::f816:3eff:fe3c:2f7d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d9:02:ab:96 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:d9ff:fe02:ab96/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 6a:e4:a5:06:17:43 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::68e4:a5ff:fe06:1743/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 52:89:ad:0a:90:80 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::5089:adff:fe0a:9080/64 scope link valid_lft forever preferred_lft forever 8: veth90d3eb84@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 4e:2f:02:b8:b8:2a brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::4c2f:2ff:feb8:b82a/64 scope link valid_lft forever preferred_lft forever 9: veth7e1dc835@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e6:d0:9d:5b:59:85 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e4d0:9dff:fe5b:5985/64 scope link valid_lft forever preferred_lft forever 10: vethabebafd5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether fa:20:c2:46:59:ed brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f820:c2ff:fe46:59ed/64 scope link valid_lft forever preferred_lft forever 13: vethdd3ea697@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 36:4b:c1:b3:00:83 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::344b:c1ff:feb3:83/64 scope link valid_lft forever preferred_lft forever 14: veth23cd52cd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3a:a4:41:7c:61:4a brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::38a4:41ff:fe7c:614a/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-20214) 12/12/25 _x86_64_ (8 CPU) 09:39:33 LINUX RESTART (8 CPU) 09:40:03 tps rtps wtps bread/s bwrtn/s 09:41:01 127.17 81.45 45.72 4683.74 45191.66 09:42:01 237.53 38.93 198.60 1860.36 75792.57 09:43:01 224.38 2.88 221.50 345.28 45183.40 09:44:02 152.87 0.00 152.87 0.00 50710.08 09:45:01 187.32 3.51 183.82 470.70 103029.99 09:46:01 98.65 21.86 76.79 751.47 27052.82 09:47:01 117.43 1.02 116.41 71.19 26838.99 Average: 163.74 21.13 142.61 1153.78 53320.30 09:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:41:01 29961852 31659520 2977368 9.04 45312 1969280 1498960 4.55 1146028 1552472 448904 09:42:01 27589816 31129572 5349404 16.24 79648 3702900 2498240 7.58 1872532 3038860 380560 09:43:01 25673108 30581448 7266112 22.06 133128 4874220 4023656 12.22 2864728 3798372 834768 09:44:02 24893528 30938920 8045692 24.43 136580 5961864 3217300 9.77 3085604 4308668 896208 09:45:01 25509772 30966152 7429448 22.56 141204 5474676 3275792 9.94 2374692 4516180 524 09:46:01 24777696 30763828 8161524 24.78 189352 5932544 3601920 10.94 2785304 4797936 57020 09:47:01 24459868 30751300 8479352 25.74 195568 6198748 3633120 11.03 2809924 5054212 105844 Average: 26123663 30970106 6815557 20.69 131542 4873462 3106998 9.43 2419830 3866671 389118 09:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 ens3 424.39 307.65 2603.58 66.11 0.00 0.00 0.00 0.00 09:41:01 lo 2.45 2.45 0.26 0.26 0.00 0.00 0.00 0.00 09:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:42:01 veth226c6fe3 17.98 15.33 25.17 35.68 0.00 0.00 0.00 0.00 09:42:01 veth7e1dc835 4.60 5.75 1.84 1.83 0.00 0.00 0.00 0.00 09:42:01 cni0 26.45 22.73 27.24 42.54 0.00 0.00 0.67 0.00 09:43:01 docker0 204.18 306.53 15.17 1578.91 0.00 0.00 0.00 0.00 09:43:01 veth7e1dc835 7.05 8.67 2.53 2.38 0.00 0.00 0.00 0.00 09:43:01 cni0 27.35 27.31 14.46 72.02 0.00 0.00 0.32 0.00 09:43:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:44:02 docker0 4.98 7.63 0.35 18.39 0.00 0.00 0.00 0.00 09:44:02 veth7e1dc835 7.27 8.40 2.78 1.71 0.00 0.00 0.00 0.00 09:44:02 cni0 11.91 13.20 3.03 2.16 0.00 0.00 0.08 0.00 09:44:02 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 docker0 0.05 0.10 0.00 0.01 0.00 0.00 0.00 0.00 09:45:01 veth7e1dc835 7.12 8.15 2.74 1.68 0.00 0.00 0.00 0.00 09:45:01 cni0 11.59 12.91 2.98 2.13 0.00 0.00 0.03 0.00 09:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:46:01 veth7e1dc835 7.60 8.57 2.81 1.91 0.00 0.00 0.00 0.00 09:46:01 cni0 12.65 13.83 3.08 2.88 0.00 0.00 0.15 0.00 09:46:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 veth7e1dc835 7.47 8.37 2.80 1.72 0.00 0.00 0.00 0.00 09:47:01 cni0 12.00 13.16 3.04 2.17 0.00 0.00 0.02 0.00 09:47:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 30.10 45.22 2.23 229.83 0.00 0.00 0.00 0.00 Average: veth7e1dc835 5.90 6.87 2.22 1.61 0.00 0.00 0.00 0.00 Average: cni0 14.64 14.81 7.74 17.82 0.00 0.00 0.18 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-20214) 12/12/25 _x86_64_ (8 CPU) 09:39:33 LINUX RESTART (8 CPU) 09:40:03 CPU %user %nice %system %iowait %steal %idle 09:41:01 all 6.96 1.04 1.55 7.19 0.05 83.20 09:41:01 0 5.09 0.00 1.50 8.01 0.03 85.36 09:41:01 1 8.09 1.94 1.99 4.92 0.05 83.01 09:41:01 2 5.03 0.00 1.47 2.25 0.03 91.22 09:41:01 3 4.20 0.00 1.52 6.83 0.03 87.40 09:41:01 4 9.25 0.00 1.28 1.83 0.03 87.60 09:41:01 5 11.83 0.00 1.31 1.38 0.05 85.43 09:41:01 6 4.10 6.37 1.65 29.05 0.05 58.78 09:41:01 7 8.07 0.02 1.64 3.35 0.03 86.89 09:42:01 all 10.28 0.00 4.20 14.22 0.08 71.22 09:42:01 0 9.74 0.00 4.17 27.16 0.08 58.84 09:42:01 1 10.42 0.00 4.25 31.36 0.08 53.89 09:42:01 2 11.03 0.00 4.53 3.44 0.10 80.90 09:42:01 3 10.50 0.00 3.83 4.18 0.08 81.41 09:42:01 4 10.05 0.00 4.18 5.76 0.07 79.95 09:42:01 5 9.11 0.00 4.22 4.26 0.05 82.36 09:42:01 6 12.00 0.00 3.71 12.86 0.10 71.33 09:42:01 7 9.41 0.00 4.72 24.73 0.08 61.05 09:43:01 all 23.66 0.00 4.18 13.21 0.11 58.85 09:43:01 0 23.57 0.00 4.02 23.49 0.15 48.77 09:43:01 1 23.47 0.00 4.04 8.79 0.10 63.60 09:43:01 2 23.12 0.00 4.02 4.71 0.10 68.06 09:43:01 3 22.79 0.00 4.11 9.28 0.08 63.74 09:43:01 4 23.74 0.00 4.49 7.65 0.08 64.04 09:43:01 5 24.65 0.00 4.30 4.17 0.12 66.76 09:43:01 6 24.48 0.00 4.10 11.45 0.10 59.87 09:43:01 7 23.42 0.00 4.41 36.07 0.10 36.00 09:44:02 all 55.78 0.00 7.45 1.46 0.11 35.21 09:44:02 0 54.52 0.00 7.22 0.34 0.10 37.83 09:44:02 1 61.36 0.00 7.92 0.05 0.12 30.55 09:44:02 2 55.61 0.00 7.11 2.25 0.10 34.93 09:44:02 3 55.56 0.00 7.17 0.71 0.12 36.44 09:44:02 4 58.19 0.00 8.02 6.04 0.10 27.65 09:44:02 5 52.94 0.00 7.50 0.44 0.10 39.01 09:44:02 6 53.81 0.00 7.23 0.03 0.12 38.81 09:44:02 7 54.31 0.00 7.38 1.75 0.10 36.46 09:45:01 all 9.01 0.21 3.47 6.82 0.09 80.40 09:45:01 0 9.36 0.00 2.94 3.24 0.07 84.40 09:45:01 1 7.14 0.00 4.15 10.81 0.10 77.80 09:45:01 2 16.99 0.00 3.75 20.79 0.10 58.37 09:45:01 3 6.72 1.66 3.00 1.42 0.07 87.13 09:45:01 4 9.25 0.00 3.81 9.40 0.10 77.43 09:45:01 5 6.71 0.00 3.88 0.10 0.09 89.22 09:45:01 6 7.31 0.00 2.97 4.42 0.07 85.23 09:45:01 7 8.64 0.00 3.22 4.49 0.10 83.55 09:46:01 all 6.98 0.00 2.12 1.53 0.07 89.30 09:46:01 0 14.18 0.00 2.11 1.04 0.08 82.59 09:46:01 1 6.33 0.00 2.02 2.49 0.07 89.10 09:46:01 2 6.43 0.00 1.66 0.39 0.05 91.47 09:46:01 3 3.76 0.00 1.76 4.39 0.08 90.00 09:46:01 4 5.23 0.00 2.46 0.13 0.07 92.10 09:46:01 5 5.05 0.00 1.51 1.02 0.07 92.36 09:46:01 6 2.74 0.00 1.85 0.62 0.07 94.73 09:46:01 7 12.11 0.00 3.62 2.14 0.07 82.06 09:47:01 all 11.65 0.00 1.24 1.43 0.08 85.61 09:47:01 0 12.54 0.00 1.35 0.15 0.08 85.87 09:47:01 1 14.08 0.00 1.42 0.23 0.07 84.19 09:47:01 2 18.95 0.00 1.67 3.04 0.08 76.25 09:47:01 3 5.56 0.00 1.07 3.64 0.07 89.66 09:47:01 4 12.62 0.00 1.17 2.44 0.08 83.68 09:47:01 5 12.01 0.00 1.12 0.80 0.07 86.00 09:47:01 6 11.80 0.00 1.45 0.82 0.13 85.79 09:47:01 7 5.62 0.00 0.67 0.25 0.05 93.41 Average: all 17.82 0.18 3.46 6.54 0.08 71.92 Average: 0 18.49 0.00 3.34 9.07 0.09 69.02 Average: 1 18.76 0.27 3.69 8.37 0.08 68.83 Average: 2 19.67 0.00 3.47 5.24 0.08 71.55 Average: 3 15.63 0.23 3.21 4.35 0.08 76.50 Average: 4 18.40 0.00 3.64 4.75 0.08 73.14 Average: 5 17.51 0.00 3.41 1.74 0.08 77.26 Average: 6 16.67 0.89 3.29 8.37 0.09 70.70 Average: 7 17.41 0.00 3.67 10.42 0.08 68.42