---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3073 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 1.7M 3.2G 1% /run /dev/vda1 155G 13G 143G 9% / 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 1449 25786 1 4930 30260 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:00:4e:d1 brd ff:ff:ff:ff:ff:ff inet 10.30.107.231/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe00:4ed1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:50:e4:12:82 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::42:50ff:fee4:1282/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 3a:f4:ea:75:81:e1 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::38f4:eaff:fe75:81e1/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether aa:f0:e5:20:30:42 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::a8f0:e5ff:fe20:3042/64 scope link valid_lft forever preferred_lft forever 6: vethe4950f93@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 42:65:3e:f5:de:33 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::4065:3eff:fef5:de33/64 scope link valid_lft forever preferred_lft forever 7: veth1ea57a50@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0a:b9:b2:20:1e:b5 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::8b9:b2ff:fe20:1eb5/64 scope link valid_lft forever preferred_lft forever 12: vethb738e479@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:a6:ba:04:80:ca brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::78a6:baff:fe04:80ca/64 scope link valid_lft forever preferred_lft forever 13: vethe5e35f12@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 4e:cb:31:fd:82:55 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::4ccb:31ff:fefd:8255/64 scope link valid_lft forever preferred_lft forever 14: vethc3395ef7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9e:4b:e0:e6:37:8e brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9c4b:e0ff:fee6:378e/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-3073) 03/19/26 _x86_64_ (8 CPU) 11:41:42 LINUX RESTART (8 CPU) 11:42:02 tps rtps wtps bread/s bwrtn/s 11:43:01 281.14 109.66 171.48 6170.48 110631.55 11:44:01 392.72 25.32 367.39 1705.83 128811.73 11:45:01 188.70 3.42 185.29 462.06 106326.81 11:46:01 131.74 20.40 111.35 769.07 8777.47 Average: 248.45 39.41 209.04 2260.55 88546.56 11:42:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:43:01 29562296 31458588 3376924 10.25 47360 2160680 1766764 5.36 1474480 1604428 4336 11:44:01 25452864 30936280 7486356 22.73 118124 5453888 3035868 9.22 2785932 4090020 1084684 11:45:01 26848664 31038004 6090556 18.49 122092 4274956 2602716 7.90 2253196 3349932 648 11:46:01 26459164 31030748 6480056 19.67 135716 4606040 2647508 8.04 2294716 3660720 182352 Average: 27080747 31115905 5858473 17.79 105823 4123891 2513214 7.63 2202081 3176275 318005 11:42:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:43:01 ens3 474.80 310.35 2615.11 65.76 0.00 0.00 0.00 0.00 11:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:43:01 lo 86.56 86.56 35.73 35.73 0.00 0.00 0.00 0.00 11:44:01 vethc3395ef7 2.33 2.47 0.40 1.63 0.00 0.00 0.00 0.00 11:44:01 vethb738e479 5.71 7.26 2.18 2.84 0.00 0.00 0.00 0.00 11:44:01 vethe4950f93 2.37 3.48 0.31 0.74 0.00 0.00 0.00 0.00 11:44:01 ens3 499.87 308.40 10117.57 29.97 0.00 0.00 0.00 0.00 11:45:01 vethc3395ef7 1.33 1.60 0.11 0.17 0.00 0.00 0.00 0.00 11:45:01 vethb738e479 6.95 8.15 2.64 1.64 0.00 0.00 0.00 0.00 11:45:01 vethe4950f93 2.90 3.27 0.27 0.28 0.00 0.00 0.00 0.00 11:45:01 ens3 37.43 26.33 690.69 4.55 0.00 0.00 0.00 0.00 11:46:01 vethc3395ef7 1.38 1.52 0.11 0.17 0.00 0.00 0.00 0.00 11:46:01 vethb738e479 7.40 8.52 2.78 1.72 0.00 0.00 0.00 0.00 11:46:01 vethe4950f93 3.07 3.33 0.28 0.29 0.00 0.00 0.00 0.00 11:46:01 ens3 75.59 54.49 1140.14 11.83 0.00 0.00 0.00 0.00 Average: vethc3395ef7 1.27 1.40 0.16 0.50 0.00 0.00 0.00 0.00 Average: vethb738e479 5.04 6.01 1.91 1.56 0.00 0.00 0.00 0.00 Average: vethe4950f93 2.09 2.53 0.22 0.33 0.00 0.00 0.00 0.00 Average: ens3 271.08 174.33 3645.44 27.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3073) 03/19/26 _x86_64_ (8 CPU) 11:41:42 LINUX RESTART (8 CPU) 11:42:02 CPU %user %nice %system %iowait %steal %idle 11:43:01 all 8.29 0.73 2.02 7.36 0.06 81.55 11:43:01 0 7.47 0.00 1.55 25.17 0.07 65.74 11:43:01 1 4.83 1.54 1.87 1.73 0.05 89.98 11:43:01 2 4.21 0.00 2.64 4.86 0.07 88.22 11:43:01 3 6.80 0.00 1.89 1.11 0.05 90.15 11:43:01 4 10.76 4.22 1.97 2.87 0.05 80.13 11:43:01 5 7.44 0.02 2.32 17.42 0.09 72.72 11:43:01 6 16.94 0.00 1.72 0.56 0.03 80.75 11:43:01 7 7.85 0.00 2.18 5.20 0.05 84.72 11:44:01 all 42.62 0.00 7.59 6.35 0.12 43.31 11:44:01 0 43.03 0.00 7.08 4.18 0.12 45.60 11:44:01 1 40.01 0.00 9.27 10.75 0.12 39.84 11:44:01 2 43.28 0.00 6.67 0.93 0.12 49.00 11:44:01 3 42.35 0.00 8.47 8.19 0.12 40.87 11:44:01 4 41.79 0.00 7.32 3.66 0.12 47.11 11:44:01 5 42.39 0.00 7.35 4.82 0.14 45.31 11:44:01 6 45.44 0.00 7.41 14.67 0.14 32.35 11:44:01 7 42.68 0.00 7.22 3.55 0.14 46.42 11:45:01 all 35.84 0.20 5.88 4.41 0.10 53.56 11:45:01 0 37.96 0.00 5.33 12.11 0.08 44.51 11:45:01 1 36.84 0.00 5.92 8.96 0.12 48.17 11:45:01 2 36.94 0.00 6.15 2.83 0.10 53.98 11:45:01 3 35.60 0.00 7.54 5.94 0.10 50.83 11:45:01 4 36.00 1.63 5.30 0.47 0.08 56.51 11:45:01 5 34.96 0.00 6.18 2.31 0.12 56.44 11:45:01 6 33.80 0.00 5.30 2.53 0.10 58.27 11:45:01 7 34.67 0.00 5.26 0.12 0.08 59.87 11:46:01 all 10.86 0.00 1.16 0.80 0.07 87.11 11:46:01 0 4.65 0.00 1.04 0.40 0.08 93.82 11:46:01 1 9.13 0.00 0.88 0.68 0.05 89.25 11:46:01 2 5.80 0.00 0.75 0.28 0.03 93.13 11:46:01 3 13.88 0.00 1.39 0.37 0.05 84.32 11:46:01 4 18.39 0.00 1.67 1.52 0.10 78.31 11:46:01 5 10.49 0.00 1.42 0.27 0.07 87.75 11:46:01 6 20.64 0.00 1.66 2.88 0.07 74.76 11:46:01 7 3.90 0.00 0.49 0.02 0.07 95.53 Average: all 24.40 0.23 4.16 4.71 0.09 66.41 Average: 0 23.29 0.00 3.75 10.43 0.09 62.44 Average: 1 22.70 0.38 4.48 5.53 0.08 66.83 Average: 2 22.55 0.00 4.05 2.22 0.08 71.10 Average: 3 24.66 0.00 4.82 3.89 0.08 66.55 Average: 4 26.74 1.46 4.06 2.13 0.09 65.53 Average: 5 23.81 0.00 4.31 6.16 0.10 65.61 Average: 6 29.19 0.00 4.01 5.15 0.08 61.57 Average: 7 22.28 0.00 3.78 2.21 0.08 71.65