---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-54 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/core24/1237 /dev/loop2 22M 22M 0 100% /snap/helm/491 ---> free -m: total used free shared buff/cache available Mem: 32167 1630 23932 2 6603 30079 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:df:b8:cd brd ff:ff:ff:ff:ff:ff inet 10.30.106.54/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fedf:b8cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:79:44:2b:ee 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::42:79ff:fe44:2bee/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 32:3c:e9:57:a6:05 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::303c:e9ff:fe57:a605/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether c2:5d:5c:fd:65:cb 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::c05d:5cff:fefd:65cb/64 scope link valid_lft forever preferred_lft forever 7: veth3a14e3eb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ee:f7:0e:b8:8c:c4 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::ecf7:eff:feb8:8cc4/64 scope link valid_lft forever preferred_lft forever 8: veth83c0c388@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ae:05:d9:eb:a0:4e brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::ac05:d9ff:feeb:a04e/64 scope link valid_lft forever preferred_lft forever 10: vethe5af0517@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ea:f4:8c:3c:74:99 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::e8f4:8cff:fe3c:7499/64 scope link valid_lft forever preferred_lft forever 11: veth689fb55b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether de:70:1b:fd:0e:2d brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::dc70:1bff:fefd:e2d/64 scope link valid_lft forever preferred_lft forever 12: veth45d54864@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e6:7a:a2:68:3e:15 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::e47a:a2ff:fe68:3e15/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-54) 12/15/25 _x86_64_ (8 CPU) 16:55:57 LINUX RESTART (8 CPU) 16:56:01 tps rtps wtps bread/s bwrtn/s 16:57:01 441.96 95.07 346.89 6198.30 150344.41 16:58:01 536.42 41.52 494.90 2181.27 143644.65 16:59:01 152.51 3.30 149.21 445.66 51286.65 17:00:01 164.62 2.30 162.32 105.72 75352.64 17:01:01 84.89 20.31 64.57 752.41 5963.67 Average: 276.09 32.50 243.59 1936.68 85320.35 16:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:57:01 29728548 31597080 3210672 9.75 45704 2136096 1577284 4.79 1216464 1702964 600 16:58:01 25334104 30697732 7605116 23.09 137460 5307188 3909396 11.87 2960452 4017792 1104208 16:59:01 26661660 31023296 6277560 19.06 139460 4429272 2776516 8.43 2265752 3522836 218272 17:00:01 24984228 30877476 7954992 24.15 184888 5854252 3515820 10.67 2635828 4745376 780 17:01:01 24676904 30835192 8262316 25.08 193972 6082576 3560920 10.81 2707768 4951740 132496 Average: 26277089 31006155 6662131 20.23 140297 4761877 3067987 9.31 2357253 3788142 291271 16:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:57:01 ens3 526.66 368.72 2596.34 80.12 0.00 0.00 0.00 0.00 16:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 lo 7.27 7.27 2.11 2.11 0.00 0.00 0.00 0.00 16:58:01 vethe5af0517 2.93 3.70 0.36 0.79 0.00 0.00 0.00 0.00 16:58:01 ens3 629.89 391.75 10147.61 38.49 0.00 0.00 0.00 0.00 16:58:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 vethc521529 185.39 274.11 16.88 1575.24 0.00 0.00 0.00 0.13 16:59:01 vethe5af0517 2.95 3.22 0.27 0.28 0.00 0.00 0.00 0.00 16:59:01 ens3 19.85 13.15 201.48 1.91 0.00 0.00 0.00 0.00 16:59:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 docker0 190.88 281.00 14.73 1594.48 0.00 0.00 0.00 0.00 17:00:01 vethe5af0517 3.22 3.53 0.29 0.40 0.00 0.00 0.00 0.00 17:00:01 ens3 446.14 304.73 7979.64 24.40 0.00 0.00 0.00 0.00 17:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 17:01:01 vethe5af0517 3.05 3.13 0.28 0.27 0.00 0.00 0.00 0.00 17:01:01 ens3 68.66 51.01 900.12 10.62 0.00 0.00 0.00 0.00 17:01:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe5af0517 2.43 2.72 0.24 0.35 0.00 0.00 0.00 0.00 Average: ens3 338.25 225.88 4365.23 31.11 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 Average: docker0 38.18 56.21 2.95 318.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-54) 12/15/25 _x86_64_ (8 CPU) 16:55:57 LINUX RESTART (8 CPU) 16:56:01 CPU %user %nice %system %iowait %steal %idle 16:57:01 all 7.05 0.59 1.77 2.40 0.04 88.16 16:57:01 0 5.14 1.56 1.71 6.52 0.05 85.02 16:57:01 1 8.06 0.00 2.52 0.27 0.05 89.10 16:57:01 2 7.42 3.10 1.58 2.67 0.05 85.17 16:57:01 3 13.99 0.02 2.33 3.55 0.05 80.07 16:57:01 4 4.99 0.00 1.63 1.13 0.02 92.23 16:57:01 5 3.95 0.00 1.41 4.10 0.05 90.50 16:57:01 6 4.58 0.00 1.82 0.38 0.03 93.18 16:57:01 7 8.27 0.00 1.10 0.57 0.05 90.01 16:58:01 all 41.04 0.00 7.62 2.86 0.13 48.35 16:58:01 0 40.22 0.00 7.98 2.80 0.14 48.87 16:58:01 1 39.48 0.00 7.54 2.81 0.12 50.04 16:58:01 2 40.55 0.00 7.47 3.59 0.13 48.25 16:58:01 3 39.45 0.00 8.29 4.08 0.14 48.05 16:58:01 4 44.07 0.00 6.89 2.59 0.14 46.31 16:58:01 5 41.82 0.00 8.17 1.17 0.12 48.73 16:58:01 6 41.26 0.00 7.49 3.01 0.15 48.09 16:58:01 7 41.51 0.00 7.12 2.79 0.13 48.44 16:59:01 all 38.85 0.21 5.70 0.61 0.10 54.54 16:59:01 0 36.85 0.00 5.44 0.49 0.10 57.12 16:59:01 1 35.74 0.00 5.53 1.19 0.08 57.45 16:59:01 2 39.08 0.00 5.17 0.10 0.10 55.54 16:59:01 3 36.57 1.70 5.71 0.86 0.08 55.08 16:59:01 4 37.63 0.00 6.68 1.40 0.10 54.19 16:59:01 5 38.00 0.00 5.11 0.00 0.10 56.79 16:59:01 6 40.56 0.00 5.88 0.69 0.08 52.79 16:59:01 7 46.28 0.00 6.11 0.15 0.10 47.36 17:00:01 all 6.75 0.00 3.68 1.00 0.09 88.48 17:00:01 0 6.41 0.00 2.89 2.66 0.10 87.94 17:00:01 1 6.92 0.00 3.39 1.47 0.08 88.14 17:00:01 2 6.47 0.00 4.23 1.95 0.08 87.26 17:00:01 3 6.94 0.00 3.01 0.17 0.08 89.80 17:00:01 4 7.42 0.00 3.77 0.34 0.08 88.38 17:00:01 5 6.76 0.00 3.45 0.13 0.07 89.59 17:00:01 6 7.09 0.00 5.44 1.06 0.08 86.32 17:00:01 7 5.99 0.00 3.25 0.19 0.08 90.49 17:01:01 all 9.52 0.00 1.15 0.38 0.08 88.88 17:01:01 0 4.84 0.00 1.07 0.28 0.07 93.74 17:01:01 1 10.72 0.00 1.15 0.17 0.08 87.89 17:01:01 2 21.33 0.00 1.77 0.38 0.08 76.43 17:01:01 3 4.65 0.00 0.76 0.12 0.08 94.39 17:01:01 4 2.34 0.00 0.60 0.02 0.07 96.98 17:01:01 5 19.13 0.00 1.24 0.37 0.08 79.18 17:01:01 6 8.80 0.00 1.44 0.79 0.08 88.89 17:01:01 7 4.30 0.00 1.14 0.87 0.07 93.62 Average: all 20.59 0.16 3.97 1.44 0.09 73.74 Average: 0 18.64 0.31 3.81 2.55 0.09 74.60 Average: 1 20.12 0.00 4.01 1.18 0.08 74.61 Average: 2 22.94 0.62 4.04 1.74 0.09 70.57 Average: 3 20.30 0.34 4.01 1.75 0.09 73.51 Average: 4 19.21 0.00 3.90 1.09 0.08 75.71 Average: 5 21.88 0.00 3.86 1.16 0.08 73.02 Average: 6 20.41 0.00 4.40 1.18 0.09 73.92 Average: 7 21.25 0.00 3.74 0.91 0.09 74.01