---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18697 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 1625 23951 2 6590 30084 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:a0:7a:c6 brd ff:ff:ff:ff:ff:ff inet 10.30.107.95/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86076sec preferred_lft 86076sec inet6 fe80::f816:3eff:fea0:7ac6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:65:7b:a0:e8 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::42:65ff:fe7b:a0e8/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether f2:9b:9e:93:64:fa 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::f09b:9eff:fe93:64fa/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 92:76:83:54:20:3d 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::9076:83ff:fe54:203d/64 scope link valid_lft forever preferred_lft forever 6: veth1d750b6e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether de:20:3a:12:24:a5 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::dc20:3aff:fe12:24a5/64 scope link valid_lft forever preferred_lft forever 7: veth1b24c7f8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:4d:73:fb:3e:4d brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::b84d:73ff:fefb:3e4d/64 scope link valid_lft forever preferred_lft forever 10: vethf12fc74e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3a:18:f4:e0:17:4d brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::3818:f4ff:fee0:174d/64 scope link valid_lft forever preferred_lft forever 13: vethceac143c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9a:64:dd:81:58:22 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::9864:ddff:fe81:5822/64 scope link valid_lft forever preferred_lft forever 14: veth3bd2b62f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:f1:39:5f:b7:b1 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::b8f1:39ff:fe5f:b7b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18697) 12/08/25 _x86_64_ (8 CPU) 11:45:52 LINUX RESTART (8 CPU) 11:46:01 tps rtps wtps bread/s bwrtn/s 11:47:01 436.48 132.98 303.50 8020.00 137369.77 11:48:01 493.47 3.77 489.70 423.93 164828.93 11:49:01 154.42 3.28 151.14 442.19 58947.24 11:50:01 135.06 20.06 115.00 761.34 57730.64 11:51:01 114.38 2.50 111.88 88.39 11248.39 Average: 266.76 32.52 234.24 1947.17 86025.00 11:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:47:01 28987168 31313404 3952044 12.00 51284 2575688 2107056 6.40 1608936 2016080 385360 11:48:01 25880816 30922136 7058396 21.43 134512 4992988 3052848 9.27 2343376 4101572 481048 11:49:01 26277256 31020988 6661956 20.23 137640 4802676 2832772 8.60 2279532 3884644 85844 11:50:01 24879452 30832820 8059760 24.47 184872 5911440 3541952 10.75 2701168 4784872 41228 11:51:01 24598208 30877056 8341004 25.32 193320 6189324 3510416 10.66 2675412 5051152 128020 Average: 26124580 30993281 6814632 20.69 140326 4894423 3009009 9.14 2321685 3967664 224300 11:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:47:01 lo 115.10 115.10 49.56 49.56 0.00 0.00 0.00 0.00 11:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:47:01 ens3 590.17 388.07 7815.77 81.91 0.00 0.00 0.00 0.00 11:48:01 veth2a34b5b 160.56 205.73 14.77 1573.09 0.00 0.00 0.00 0.13 11:48:01 veth1d750b6e 0.53 1.60 0.09 0.23 0.00 0.00 0.00 0.00 11:48:01 vethf12fc74e 7.93 9.72 3.01 3.27 0.00 0.00 0.00 0.00 11:48:01 veth1b24c7f8 3.20 4.37 0.38 0.82 0.00 0.00 0.00 0.00 11:49:01 veth1d750b6e 0.12 0.17 0.01 0.02 0.00 0.00 0.00 0.00 11:49:01 vethf12fc74e 7.08 8.18 2.71 1.66 0.00 0.00 0.00 0.00 11:49:01 veth1b24c7f8 2.97 3.32 0.27 0.29 0.00 0.00 0.00 0.00 11:49:01 lo 272.00 272.00 294.85 294.85 0.00 0.00 0.00 0.00 11:50:01 veth1d750b6e 0.13 0.30 0.01 0.03 0.00 0.00 0.00 0.00 11:50:01 vethf12fc74e 7.50 8.67 2.81 1.92 0.00 0.00 0.00 0.00 11:50:01 veth1b24c7f8 3.15 3.57 0.29 0.41 0.00 0.00 0.00 0.00 11:50:01 lo 46.71 46.71 18.01 18.01 0.00 0.00 0.00 0.00 11:51:01 veth1d750b6e 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 11:51:01 vethf12fc74e 7.13 8.40 2.77 1.70 0.00 0.00 0.00 0.00 11:51:01 veth1b24c7f8 3.05 3.23 0.28 0.28 0.00 0.00 0.00 0.00 11:51:01 lo 20.90 20.90 5.29 5.29 0.00 0.00 0.00 0.00 Average: veth1d750b6e 0.18 0.43 0.02 0.06 0.00 0.00 0.00 0.00 Average: vethf12fc74e 5.93 6.99 2.26 1.71 0.00 0.00 0.00 0.00 Average: veth1b24c7f8 2.47 2.90 0.25 0.36 0.00 0.00 0.00 0.00 Average: lo 67.32 67.32 63.58 63.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18697) 12/08/25 _x86_64_ (8 CPU) 11:45:52 LINUX RESTART (8 CPU) 11:46:01 CPU %user %nice %system %iowait %steal %idle 11:47:01 all 9.66 0.69 2.99 2.63 0.05 83.97 11:47:01 0 10.09 0.02 2.71 0.50 0.03 86.65 11:47:01 1 8.38 2.10 2.94 3.43 0.05 83.10 11:47:01 2 6.21 0.00 2.43 0.28 0.05 91.02 11:47:01 3 11.67 0.00 4.11 4.48 0.05 79.69 11:47:01 4 15.64 0.00 3.04 1.32 0.03 79.97 11:47:01 5 9.62 3.40 2.56 0.94 0.05 83.44 11:47:01 6 7.43 0.00 3.79 0.87 0.03 87.88 11:47:01 7 8.22 0.00 2.35 9.26 0.07 80.10 11:48:01 all 46.97 0.00 8.21 2.72 0.09 42.00 11:48:01 0 45.99 0.00 7.89 0.81 0.10 45.21 11:48:01 1 46.06 0.00 8.80 5.97 0.10 39.07 11:48:01 2 48.62 0.00 8.51 1.20 0.07 41.60 11:48:01 3 47.42 0.00 8.46 3.85 0.08 40.19 11:48:01 4 46.70 0.00 7.23 0.79 0.08 45.20 11:48:01 5 46.77 0.00 8.48 2.66 0.08 42.00 11:48:01 6 45.38 0.00 8.19 4.77 0.08 41.58 11:48:01 7 48.85 0.00 8.16 1.74 0.08 41.16 11:49:01 all 39.78 0.20 6.29 0.80 0.08 52.85 11:49:01 0 39.64 0.00 7.85 0.05 0.07 52.40 11:49:01 1 37.80 0.00 5.88 2.65 0.08 53.59 11:49:01 2 38.32 0.00 5.48 0.27 0.07 55.86 11:49:01 3 40.69 1.62 5.96 0.10 0.08 51.55 11:49:01 4 40.92 0.00 6.13 2.11 0.08 50.76 11:49:01 5 42.65 0.00 6.17 0.62 0.07 50.49 11:49:01 6 40.51 0.00 6.36 0.10 0.08 52.95 11:49:01 7 37.77 0.00 6.47 0.47 0.08 55.20 11:50:01 all 7.68 0.00 3.44 0.96 0.07 87.85 11:50:01 0 5.06 0.00 3.38 0.57 0.08 90.90 11:50:01 1 7.85 0.00 2.83 0.13 0.07 89.12 11:50:01 2 6.06 0.00 2.86 2.47 0.08 88.53 11:50:01 3 13.90 0.00 3.27 0.37 0.07 82.39 11:50:01 4 5.25 0.00 3.60 0.35 0.07 90.72 11:50:01 5 8.44 0.00 2.93 1.68 0.08 86.87 11:50:01 6 6.80 0.00 4.33 1.81 0.07 87.00 11:50:01 7 8.07 0.00 4.30 0.24 0.08 87.31 11:51:01 all 11.78 0.00 1.25 0.59 0.07 86.31 11:51:01 0 14.62 0.00 1.74 1.27 0.07 82.30 11:51:01 1 6.27 0.00 0.62 0.30 0.03 92.78 11:51:01 2 4.84 0.00 1.06 0.77 0.08 93.24 11:51:01 3 8.74 0.00 1.20 0.18 0.07 89.81 11:51:01 4 16.64 0.00 1.54 1.07 0.07 80.69 11:51:01 5 10.28 0.00 1.34 0.90 0.07 87.40 11:51:01 6 16.59 0.00 1.59 0.15 0.07 81.61 11:51:01 7 16.23 0.00 0.97 0.08 0.08 82.63 Average: all 23.13 0.18 4.43 1.54 0.07 70.66 Average: 0 23.02 0.00 4.70 0.64 0.07 71.56 Average: 1 21.19 0.42 4.20 2.49 0.07 71.63 Average: 2 20.81 0.00 4.06 1.00 0.07 74.06 Average: 3 24.42 0.32 4.59 1.80 0.07 68.80 Average: 4 24.99 0.00 4.30 1.13 0.07 69.51 Average: 5 23.52 0.68 4.29 1.36 0.07 70.08 Average: 6 23.29 0.00 4.84 1.53 0.07 70.27 Average: 7 23.76 0.00 4.44 2.36 0.08 69.35