---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3060 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 1.7M 3.2G 1% /run /dev/vda1 155G 13G 143G 8% / 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 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32167 1467 25922 1 4777 30242 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:3b:2d:90 brd ff:ff:ff:ff:ff:ff inet 10.30.107.7/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86209sec preferred_lft 86209sec inet6 fe80::f816:3eff:fe3b:2d90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:01:1f:07:99 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::42:1ff:fe1f:799/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ca:1c:85:df:19:48 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::c81c:85ff:fedf:1948/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 16:9f:75:80:7f:c3 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::149f:75ff:fe80:7fc3/64 scope link valid_lft forever preferred_lft forever 8: veth9c2698fc@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 72:d8:7c:8b:14:7b brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::70d8:7cff:fe8b:147b/64 scope link valid_lft forever preferred_lft forever 10: veth582555f5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e2:eb:2c:18:98:f8 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e0eb:2cff:fe18:98f8/64 scope link valid_lft forever preferred_lft forever 12: vethf8a541e7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6e:b8:a8:0a:b8:b5 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::6cb8:a8ff:fe0a:b8b5/64 scope link valid_lft forever preferred_lft forever 13: vethcc598f82@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 82:80:d5:66:cf:b6 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::8080:d5ff:fe66:cfb6/64 scope link valid_lft forever preferred_lft forever 14: vethe4adfe8a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 96:3f:b4:d2:82:0b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::943f:b4ff:fed2:820b/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-3060) 03/19/26 _x86_64_ (8 CPU) 10:27:34 LINUX RESTART (8 CPU) 10:28:01 tps rtps wtps bread/s bwrtn/s 10:29:01 488.89 90.42 398.47 4030.00 144956.64 10:30:01 400.35 24.68 375.67 1231.06 98065.18 Average: 444.61 57.54 387.07 2630.41 121508.96 10:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:29:01 28158996 31221408 4780224 14.51 78032 3238656 2321052 7.05 1756424 2602624 47888 10:30:01 26675856 30967552 6263364 19.01 130836 4351656 2527800 7.67 2293728 3466360 155800 Average: 27417426 31094480 5521794 16.76 104434 3795156 2424426 7.36 2025076 3034492 101844 10:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:29:01 docker0 23.45 32.68 1.50 147.55 0.00 0.00 0.00 0.00 10:29:01 veth582555f5 0.10 0.13 0.01 0.01 0.00 0.00 0.00 0.00 10:29:01 vethf830ebb8 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 10:29:01 veth79cfe62 23.45 32.78 1.82 147.56 0.00 0.00 0.00 0.01 10:30:01 docker0 181.67 256.68 13.81 1483.26 0.00 0.00 0.00 0.00 10:30:01 veth582555f5 0.50 1.25 0.09 0.20 0.00 0.00 0.00 0.00 10:30:01 vethcc598f82 0.15 0.50 0.01 0.04 0.00 0.00 0.00 0.00 10:30:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 102.57 144.69 7.66 815.46 0.00 0.00 0.00 0.00 Average: veth582555f5 0.30 0.69 0.05 0.11 0.00 0.00 0.00 0.00 Average: vethcc598f82 0.07 0.25 0.01 0.02 0.00 0.00 0.00 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-3060) 03/19/26 _x86_64_ (8 CPU) 10:27:34 LINUX RESTART (8 CPU) 10:28:01 CPU %user %nice %system %iowait %steal %idle 10:29:01 all 12.27 0.60 3.80 2.66 0.06 80.61 10:29:01 0 10.98 0.00 3.84 5.42 0.05 79.71 10:29:01 1 15.72 0.00 3.03 0.24 0.05 80.97 10:29:01 2 12.23 1.53 4.53 3.95 0.05 77.72 10:29:01 3 10.72 3.26 3.48 3.16 0.07 79.32 10:29:01 4 14.07 0.00 3.81 0.88 0.08 81.15 10:29:01 5 11.30 0.00 4.92 5.64 0.07 78.07 10:29:01 6 14.07 0.00 2.99 0.72 0.05 82.17 10:29:01 7 9.08 0.00 3.81 1.24 0.05 85.82 10:30:01 all 13.77 0.20 3.68 2.56 0.09 79.70 10:30:01 0 15.28 0.00 3.51 2.64 0.12 78.46 10:30:01 1 11.05 0.00 3.25 3.60 0.07 82.03 10:30:01 2 16.82 0.00 3.86 2.07 0.08 77.17 10:30:01 3 15.37 0.00 3.30 1.62 0.12 79.59 10:30:01 4 7.03 0.02 4.04 3.15 0.05 85.71 10:30:01 5 13.39 0.00 3.86 1.34 0.10 81.30 10:30:01 6 15.46 0.00 3.67 4.48 0.08 76.31 10:30:01 7 15.75 1.59 3.96 1.59 0.08 77.02 Average: all 13.02 0.40 3.74 2.61 0.08 80.15 Average: 0 13.13 0.00 3.67 4.03 0.08 79.08 Average: 1 13.39 0.00 3.14 1.92 0.06 81.50 Average: 2 14.52 0.76 4.20 3.01 0.07 77.44 Average: 3 13.05 1.63 3.39 2.39 0.09 79.45 Average: 4 10.54 0.01 3.93 2.02 0.07 83.44 Average: 5 12.35 0.00 4.39 3.49 0.08 79.69 Average: 6 14.76 0.00 3.33 2.60 0.07 79.25 Average: 7 12.41 0.80 3.89 1.42 0.07 81.42