---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-50 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: 2800.000 BogoMIPS: 5600.00 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/core24/1237 /dev/loop2 22M 22M 0 100% /snap/helm/491 ---> free -m: total used free shared buff/cache available Mem: 32167 1604 23958 2 6603 30105 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:c0:18:40 brd ff:ff:ff:ff:ff:ff inet 10.30.106.112/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86036sec preferred_lft 86036sec inet6 fe80::f816:3eff:fec0:1840/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:39:47:fe:07 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::42:39ff:fe47:fe07/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether c2:9b:03:7e:f9:ad 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::c09b:3ff:fe7e:f9ad/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 2a:39:d1:3c:04:cf 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::2839:d1ff:fe3c:4cf/64 scope link valid_lft forever preferred_lft forever 8: vethfcba95e2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9e:fa:1f:7f:f7:cb brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9cfa:1fff:fe7f:f7cb/64 scope link valid_lft forever preferred_lft forever 9: veth65c973da@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 22:2f:1e:0f:2d:8f brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::202f:1eff:fe0f:2d8f/64 scope link valid_lft forever preferred_lft forever 10: veth4dbd66a6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3a:48:7d:28:54:fa brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::3848:7dff:fe28:54fa/64 scope link valid_lft forever preferred_lft forever 13: vethb6f95e43@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ce:c0:9a:51:4e:d5 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::ccc0:9aff:fe51:4ed5/64 scope link valid_lft forever preferred_lft forever 14: vethe213e643@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 06:d3:7b:2f:54:12 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::4d3:7bff:fe2f:5412/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-50) 12/16/25 _x86_64_ (8 CPU) 08:39:39 LINUX RESTART (8 CPU) 08:40:01 tps rtps wtps bread/s bwrtn/s 08:41:01 316.21 112.21 204.00 5411.26 109093.90 08:42:01 441.63 8.52 433.11 1328.05 132119.98 08:43:01 169.08 0.02 169.06 1.33 73289.57 08:44:01 177.19 5.33 171.85 530.71 88331.01 08:45:01 106.13 20.48 85.65 762.14 10715.01 Average: 242.05 29.31 212.73 1606.77 82710.46 08:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:41:01 29550896 31460444 3388324 10.29 50204 2164928 1736844 5.27 1465608 1607412 5500 08:42:01 25670648 30790676 7268572 22.07 134392 5076968 3730104 11.32 2751248 3902924 1003292 08:43:01 25410104 31095536 7529116 22.86 136980 5644796 2584116 7.85 2540848 4385756 448792 08:44:01 25251860 30910636 7687360 23.34 155564 5656328 3701028 11.24 2544840 4580700 11604 08:45:01 24702124 30862212 8237096 25.01 191368 6086268 3520480 10.69 2679016 4953436 145440 Average: 26117126 31023901 6822094 20.71 133702 4925858 3054514 9.27 2396312 3886046 322926 08:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:41:01 lo 91.85 91.85 38.88 38.88 0.00 0.00 0.00 0.00 08:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 ens3 460.25 317.66 2522.06 65.77 0.00 0.00 0.00 0.00 08:42:01 lo 162.44 162.44 251.36 251.36 0.00 0.00 0.00 0.00 08:42:01 docker0 218.38 314.06 16.03 1579.24 0.00 0.00 0.00 0.00 08:42:01 veth4dbd66a6 3.17 4.10 0.38 0.79 0.00 0.00 0.00 0.00 08:42:01 vethe213e643 4.48 4.02 0.90 2.29 0.00 0.00 0.00 0.00 08:43:01 lo 12.58 12.58 4.05 4.05 0.00 0.00 0.00 0.00 08:43:01 docker0 4.58 7.95 0.33 18.95 0.00 0.00 0.00 0.00 08:43:01 veth4dbd66a6 2.93 3.35 0.27 0.29 0.00 0.00 0.00 0.00 08:43:01 vethe213e643 1.33 1.53 0.11 0.17 0.00 0.00 0.00 0.00 08:44:01 lo 21.80 21.80 6.27 6.27 0.00 0.00 0.00 0.00 08:44:01 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 08:44:01 veth4dbd66a6 3.07 3.33 0.28 0.29 0.00 0.00 0.00 0.00 08:44:01 vethe213e643 1.37 1.53 0.11 0.17 0.00 0.00 0.00 0.00 08:45:01 lo 43.18 43.18 16.64 16.64 0.00 0.00 0.00 0.00 08:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 veth4dbd66a6 3.18 3.53 0.29 0.40 0.00 0.00 0.00 0.00 08:45:01 vethe213e643 1.65 1.78 0.13 0.56 0.00 0.00 0.00 0.00 Average: lo 66.37 66.37 63.44 63.44 0.00 0.00 0.00 0.00 Average: docker0 44.59 64.41 3.27 319.62 0.00 0.00 0.00 0.00 Average: veth4dbd66a6 2.47 2.86 0.25 0.35 0.00 0.00 0.00 0.00 Average: vethe213e643 1.77 1.77 0.25 0.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-50) 12/16/25 _x86_64_ (8 CPU) 08:39:39 LINUX RESTART (8 CPU) 08:40:01 CPU %user %nice %system %iowait %steal %idle 08:41:01 all 8.78 0.64 2.24 7.05 0.06 81.22 08:41:01 0 8.28 1.76 2.53 0.64 0.05 86.76 08:41:01 1 6.57 0.00 2.50 1.07 0.05 89.81 08:41:01 2 13.77 0.00 2.41 3.40 0.07 80.36 08:41:01 3 4.28 0.00 2.10 26.50 0.07 67.06 08:41:01 4 10.90 0.00 1.64 1.15 0.03 86.28 08:41:01 5 12.02 0.00 2.26 0.62 0.05 85.06 08:41:01 6 8.29 3.38 2.49 8.56 0.07 77.21 08:41:01 7 6.14 0.00 2.00 14.49 0.05 77.32 08:42:01 all 37.29 0.00 7.73 7.03 0.10 47.85 08:42:01 0 36.55 0.00 9.03 16.74 0.10 37.57 08:42:01 1 35.31 0.00 8.08 5.86 0.10 50.64 08:42:01 2 39.74 0.00 7.65 2.94 0.08 49.59 08:42:01 3 36.69 0.00 7.37 2.73 0.08 53.12 08:42:01 4 37.65 0.00 6.93 2.28 0.12 53.02 08:42:01 5 38.34 0.00 7.67 3.73 0.10 50.16 08:42:01 6 37.43 0.00 6.92 11.14 0.10 44.41 08:42:01 7 36.60 0.00 8.19 10.79 0.10 44.32 08:43:01 all 50.53 0.00 7.06 1.49 0.09 40.83 08:43:01 0 49.27 0.00 8.32 3.31 0.12 38.98 08:43:01 1 50.37 0.00 7.05 3.25 0.10 39.23 08:43:01 2 50.56 0.00 6.59 0.05 0.08 42.72 08:43:01 3 49.32 0.00 6.63 0.07 0.12 43.87 08:43:01 4 48.83 0.00 6.95 0.07 0.08 44.07 08:43:01 5 52.71 0.00 7.55 1.93 0.10 37.70 08:43:01 6 52.68 0.00 6.71 3.24 0.08 37.28 08:43:01 7 50.44 0.00 6.71 0.03 0.08 42.73 08:44:01 all 6.99 0.22 3.65 2.89 0.10 86.15 08:44:01 0 5.65 0.00 4.82 0.86 0.08 88.58 08:44:01 1 9.29 0.00 3.33 1.29 0.08 86.00 08:44:01 2 5.51 0.00 2.92 0.08 0.08 91.40 08:44:01 3 6.89 0.42 3.69 10.87 0.10 78.03 08:44:01 4 5.95 0.00 3.38 0.27 0.20 90.20 08:44:01 5 9.21 1.33 4.06 4.20 0.08 81.12 08:44:01 6 6.55 0.00 4.14 5.39 0.07 83.84 08:44:01 7 6.83 0.00 2.78 0.13 0.08 90.17 08:45:01 all 9.81 0.00 1.72 0.68 0.08 87.71 08:45:01 0 5.83 0.00 1.60 0.38 0.07 92.11 08:45:01 1 7.16 0.00 1.52 0.40 0.08 90.83 08:45:01 2 5.92 0.00 2.09 1.81 0.10 90.08 08:45:01 3 5.09 0.00 1.18 0.05 0.07 93.62 08:45:01 4 14.24 0.00 1.82 1.47 0.08 82.38 08:45:01 5 12.97 0.00 1.79 0.65 0.10 84.49 08:45:01 6 14.68 0.00 1.64 0.35 0.07 83.26 08:45:01 7 12.59 0.00 2.14 0.32 0.07 84.89 Average: all 22.62 0.17 4.47 3.82 0.09 68.83 Average: 0 21.05 0.35 5.25 4.36 0.08 68.90 Average: 1 21.68 0.00 4.48 2.37 0.08 71.38 Average: 2 23.05 0.00 4.32 1.66 0.08 70.89 Average: 3 20.40 0.08 4.18 8.06 0.09 67.18 Average: 4 23.46 0.00 4.13 1.05 0.10 71.26 Average: 5 24.98 0.27 4.66 2.22 0.09 67.79 Average: 6 23.90 0.68 4.37 5.73 0.08 65.25 Average: 7 22.45 0.00 4.35 5.14 0.08 67.98