---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4226 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 844 14467 4 16780 30779 Swap: 1023 0 1023 ---> 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:82:ca:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.165/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83823sec preferred_lft 83823sec inet6 fe80::f816:3eff:fe82:ca32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:82:04:bc:9a:e6 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::1482:4ff:febc:9ae6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4226) 04/06/26 _x86_64_ (8 CPU) 19:26:39 LINUX RESTART (8 CPU) 19:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:06 536.18 0.60 521.83 13.75 33.02 56671.10 83707.06 19:50:08 22.41 0.41 20.28 1.72 15.53 2601.27 4755.83 20:00:00 16.62 0.25 15.34 1.03 3.91 3282.15 3705.57 Average: 193.31 0.42 187.35 5.54 17.59 21010.88 30964.89 19:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:06 2401336 21610192 10545948 32.09 590860 17751704 16717168 49.30 4670496 22139416 364 19:50:08 354888 19238508 12815492 39.00 574552 17530504 18950360 55.88 4821612 23989376 1360 20:00:00 310516 18471208 13522060 41.15 574136 16880708 19971420 58.89 4588224 24259612 11748 Average: 1022247 19773303 12294500 37.41 579849 17387639 18546316 54.69 4693444 23462801 4491 19:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:06 lo 0.72 0.72 0.07 0.07 0.00 0.00 0.00 0.00 19:40:06 ens3 411.73 248.55 2697.39 87.62 0.00 0.00 0.00 0.00 19:40:06 docker0 18.87 34.37 1.12 678.97 0.00 0.00 0.00 0.00 19:40:06 br-17e7b8c2318c 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 19:40:06 veth197dde4 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 19:40:06 veth7793ad9 6.66 6.45 4.50 1.29 0.00 0.00 0.00 0.00 19:40:06 vetha92462f 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 19:40:06 vethf340dc2 0.14 0.20 0.01 0.01 0.00 0.00 0.00 0.00 19:40:06 vethe350232 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 19:40:06 veth4e15130 1.07 1.07 0.12 0.93 0.00 0.00 0.00 0.00 19:40:06 vethbb22f84 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 19:40:06 veth8a16084 0.53 0.50 0.07 0.64 0.00 0.00 0.00 0.00 19:50:08 lo 11.13 11.13 28.18 28.18 0.00 0.00 0.00 0.00 19:50:08 ens3 7.78 6.76 21.26 1.52 0.00 0.00 0.00 0.00 19:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:08 br-17e7b8c2318c 10.70 12.60 5.59 43.45 0.00 0.00 0.00 0.00 19:50:08 veth197dde4 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 19:50:08 veth7793ad9 110.25 118.61 62.51 55.08 0.00 0.00 0.00 0.01 19:50:08 vetha92462f 10.93 11.97 134.13 62.73 0.00 0.00 0.00 0.01 19:50:08 vethf340dc2 6.82 5.65 62.45 11.12 0.00 0.00 0.00 0.01 19:50:08 vethe350232 17.17 19.01 5.01 176.59 0.00 0.00 0.00 0.01 19:50:08 veth4e15130 86.79 80.83 65.26 38.82 0.00 0.00 0.00 0.01 19:50:08 veth8a16084 37.46 34.57 15.54 26.17 0.00 0.00 0.00 0.00 20:00:00 lo 34.05 34.05 154.85 154.85 0.00 0.00 0.00 0.00 20:00:00 ens3 3.77 3.28 10.63 0.79 0.00 0.00 0.00 0.00 20:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:00 br-17e7b8c2318c 29.09 30.77 29.93 136.97 0.00 0.00 0.00 0.00 20:00:00 veth197dde4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:00 veth7793ad9 69.67 76.58 54.50 28.31 0.00 0.00 0.00 0.00 20:00:00 vetha92462f 13.90 15.09 108.49 72.00 0.00 0.00 0.00 0.01 20:00:00 vethf340dc2 11.68 10.57 72.27 44.06 0.00 0.00 0.00 0.01 20:00:00 vethe350232 36.67 38.22 30.56 243.50 0.00 0.00 0.00 0.02 20:00:00 veth4e15130 40.67 37.84 53.61 21.31 0.00 0.00 0.00 0.00 20:00:00 veth8a16084 42.45 38.42 19.15 36.05 0.00 0.00 0.00 0.00 Average: lo 15.16 15.16 60.37 60.37 0.00 0.00 0.00 0.00 Average: ens3 142.33 86.94 917.85 30.24 0.00 0.00 0.00 0.00 Average: docker0 6.35 11.56 0.38 228.36 0.00 0.00 0.00 0.00 Average: br-17e7b8c2318c 13.24 14.42 11.72 59.59 0.00 0.00 0.00 0.00 Average: veth197dde4 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth7793ad9 62.07 67.07 40.37 28.19 0.00 0.00 0.00 0.00 Average: vetha92462f 8.24 9.01 80.59 44.68 0.00 0.00 0.00 0.01 Average: vethf340dc2 6.17 5.44 44.68 18.21 0.00 0.00 0.00 0.00 Average: vethe350232 17.81 18.97 11.73 139.19 0.00 0.00 0.00 0.01 Average: veth4e15130 42.80 39.87 39.52 20.32 0.00 0.00 0.00 0.00 Average: veth8a16084 26.68 24.38 11.52 20.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4226) 04/06/26 _x86_64_ (8 CPU) 19:26:39 LINUX RESTART (8 CPU) 19:30:01 CPU %user %nice %system %iowait %steal %idle 19:40:06 all 32.72 0.02 4.22 1.07 0.09 61.89 19:40:06 0 34.50 0.02 4.62 0.97 0.09 59.80 19:40:06 1 35.59 0.03 4.59 1.15 0.09 58.55 19:40:06 2 31.05 0.03 4.25 1.31 0.09 63.27 19:40:06 3 30.72 0.02 3.94 1.16 0.08 64.08 19:40:06 4 30.94 0.02 3.98 1.26 0.09 63.71 19:40:06 5 34.15 0.01 4.15 0.95 0.09 60.66 19:40:06 6 32.47 0.02 3.81 0.99 0.08 62.63 19:40:06 7 32.31 0.02 4.42 0.74 0.09 62.43 19:50:08 all 9.47 0.00 1.38 0.09 0.06 89.00 19:50:08 0 9.02 0.01 1.40 0.07 0.06 89.44 19:50:08 1 8.98 0.00 1.49 0.18 0.06 89.29 19:50:08 2 10.34 0.01 1.33 0.06 0.07 88.20 19:50:08 3 9.98 0.02 1.41 0.17 0.06 88.37 19:50:08 4 9.10 0.00 1.41 0.05 0.06 89.38 19:50:08 5 8.86 0.00 1.26 0.05 0.06 89.77 19:50:08 6 9.99 0.00 1.41 0.06 0.06 88.48 19:50:08 7 9.49 0.00 1.33 0.05 0.06 89.07 20:00:00 all 8.27 0.00 1.98 0.07 0.07 89.60 20:00:00 0 7.39 0.00 2.10 0.07 0.07 90.36 20:00:00 1 8.21 0.01 2.08 0.09 0.08 89.54 20:00:00 2 8.47 0.00 1.98 0.17 0.08 89.30 20:00:00 3 7.97 0.00 2.04 0.06 0.07 89.85 20:00:00 4 7.50 0.00 1.78 0.04 0.07 90.61 20:00:00 5 9.05 0.00 2.05 0.06 0.08 88.76 20:00:00 6 8.31 0.01 1.86 0.03 0.07 89.73 20:00:00 7 9.28 0.01 1.96 0.03 0.08 88.65 Average: all 16.89 0.01 2.53 0.41 0.07 80.08 Average: 0 17.05 0.01 2.71 0.37 0.07 79.78 Average: 1 17.68 0.01 2.73 0.48 0.08 79.03 Average: 2 16.69 0.01 2.53 0.52 0.08 80.17 Average: 3 16.29 0.01 2.47 0.47 0.07 80.69 Average: 4 15.92 0.01 2.40 0.46 0.07 81.15 Average: 5 17.43 0.00 2.49 0.36 0.07 79.64 Average: 6 16.99 0.01 2.36 0.36 0.07 80.20 Average: 7 17.09 0.01 2.58 0.27 0.07 79.98