---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1868 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 28G 128G 18% / 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 890 13107 4 18094 30734 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:32:23:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.20/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83276sec preferred_lft 83276sec inet6 fe80::f816:3eff:fe32:230c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:cf:eb:54:ce:db 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::c4cf:ebff:fe54:cedb/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-1868) 03/04/26 _x86_64_ (8 CPU) 17:47:07 LINUX RESTART (8 CPU) 17:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:12 434.19 0.83 426.01 7.36 52.37 55306.49 72387.60 18:10:01 273.87 0.49 240.25 33.13 21.13 27213.06 482027.75 18:20:00 28.50 0.56 25.63 2.31 28.62 3572.53 9085.38 18:30:09 15.12 1.12 13.29 0.71 457.62 3002.65 971.35 Average: 187.97 0.75 176.50 10.72 141.34 22325.55 138698.06 17:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:12 11661436 27967404 4259108 12.96 489724 15187780 4281656 12.63 4510100 15275852 622996 18:10:01 298668 22218524 9925368 30.20 608188 20331724 15442096 45.54 5972816 22837536 480 18:20:00 644432 20616328 11465900 34.89 586760 18499472 17009764 50.16 5897856 22561168 16564 18:30:09 434628 19755640 12252116 37.28 585532 17947120 17892820 52.76 5877512 22793504 11940 Average: 3259791 22639474 9475623 28.83 567551 17991524 13656584 40.27 5564571 20867015 162995 17:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:12 lo 0.48 0.48 0.10 0.10 0.00 0.00 0.00 0.00 18:00:12 ens3 332.29 193.21 2296.02 54.43 0.00 0.00 0.00 0.00 18:00:12 docker0 20.54 37.16 1.21 716.28 0.00 0.00 0.00 0.00 18:10:01 lo 0.59 0.59 0.09 0.09 0.00 0.00 0.00 0.00 18:10:01 ens3 167.43 105.13 1819.70 28.52 0.00 0.00 0.00 0.00 18:10:01 docker0 13.05 18.31 0.72 217.99 0.00 0.00 0.00 0.00 18:10:01 br-90620e51e4f0 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 18:10:01 vethff35315 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 18:10:01 veth4dc64da 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 18:10:01 veth0734cae 0.30 0.34 0.03 0.12 0.00 0.00 0.00 0.00 18:10:01 vethe4da943 7.70 7.71 4.91 1.43 0.00 0.00 0.00 0.00 18:10:01 veth0e3e3e2 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 18:10:01 veth6b39caf 2.21 2.11 0.35 1.09 0.00 0.00 0.00 0.00 18:10:01 veth97e1886 0.04 0.08 0.01 0.01 0.00 0.00 0.00 0.00 18:10:01 veth3ef341b 0.93 0.80 0.13 0.92 0.00 0.00 0.00 0.00 18:20:00 lo 14.75 14.75 38.78 38.78 0.00 0.00 0.00 0.00 18:20:00 ens3 9.91 8.55 28.04 2.55 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:00 br-90620e51e4f0 14.03 16.23 7.25 59.34 0.00 0.00 0.00 0.00 18:20:00 vethff35315 22.84 25.09 7.00 245.26 0.00 0.00 0.00 0.02 18:20:00 veth4dc64da 15.02 16.55 187.19 91.53 0.00 0.00 0.00 0.02 18:20:00 veth0734cae 9.35 7.82 91.11 25.28 0.00 0.00 0.00 0.01 18:20:00 vethe4da943 111.25 120.29 63.58 55.70 0.00 0.00 0.00 0.01 18:20:00 veth0e3e3e2 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 18:20:00 veth6b39caf 88.88 82.07 79.81 39.67 0.00 0.00 0.00 0.01 18:20:00 veth3ef341b 37.83 34.87 15.69 26.65 0.00 0.00 0.00 0.00 18:30:09 lo 38.22 38.22 184.32 184.32 0.00 0.00 0.00 0.00 18:30:09 ens3 14.01 10.42 129.85 1.31 0.00 0.00 0.00 0.00 18:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:09 br-90620e51e4f0 23.26 25.03 38.65 149.85 0.00 0.00 0.00 0.00 18:30:09 vethff35315 29.50 31.16 39.08 217.93 0.00 0.00 0.00 0.02 18:30:09 veth4dc64da 11.89 12.74 69.99 58.07 0.00 0.00 0.00 0.01 18:30:09 veth0734cae 10.91 10.07 58.53 43.37 0.00 0.00 0.00 0.00 18:30:09 vethe4da943 73.37 80.52 55.64 28.75 0.00 0.00 0.00 0.00 18:30:09 veth0e3e3e2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:09 veth6b39caf 45.86 42.88 53.91 23.29 0.00 0.00 0.00 0.00 18:30:09 veth3ef341b 41.42 37.36 18.54 35.16 0.00 0.00 0.00 0.00 Average: lo 13.61 13.61 56.33 56.33 0.00 0.00 0.00 0.00 Average: ens3 131.20 79.46 1066.87 21.74 0.00 0.00 0.00 0.00 Average: docker0 8.40 13.90 0.48 234.92 0.00 0.00 0.00 0.00 Average: br-90620e51e4f0 9.45 10.44 11.59 52.69 0.00 0.00 0.00 0.00 Average: vethff35315 13.16 14.16 11.63 116.20 0.00 0.00 0.00 0.01 Average: veth4dc64da 6.76 7.38 64.32 37.48 0.00 0.00 0.00 0.01 Average: veth0734cae 5.16 4.58 37.50 17.30 0.00 0.00 0.00 0.00 Average: vethe4da943 48.15 52.21 31.11 21.49 0.00 0.00 0.00 0.00 Average: veth0e3e3e2 0.03 0.05 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth6b39caf 34.27 31.80 33.60 16.04 0.00 0.00 0.00 0.00 Average: veth3ef341b 20.12 18.33 8.63 15.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1868) 03/04/26 _x86_64_ (8 CPU) 17:47:07 LINUX RESTART (8 CPU) 17:50:01 CPU %user %nice %system %iowait %steal %idle 18:00:12 all 19.60 0.00 3.51 0.76 0.07 76.07 18:00:12 0 23.72 0.00 3.97 0.61 0.07 71.64 18:00:12 1 18.51 0.00 3.21 0.72 0.07 77.50 18:00:12 2 17.29 0.00 3.18 0.44 0.06 79.03 18:00:12 3 19.61 0.00 3.69 0.82 0.07 75.80 18:00:12 4 20.35 0.00 3.45 0.66 0.07 75.47 18:00:12 5 22.03 0.00 3.57 1.20 0.07 73.14 18:00:12 6 18.88 0.00 3.80 0.85 0.07 76.40 18:00:12 7 16.40 0.00 3.23 0.75 0.06 79.56 18:10:01 all 17.36 0.02 2.24 0.55 0.07 79.77 18:10:01 0 14.86 0.03 2.09 0.51 0.07 82.45 18:10:01 1 16.12 0.02 2.35 0.55 0.08 80.88 18:10:01 2 18.23 0.01 2.15 0.65 0.07 78.89 18:10:01 3 21.40 0.02 2.41 0.74 0.07 75.36 18:10:01 4 16.50 0.02 2.39 0.46 0.07 80.56 18:10:01 5 15.03 0.02 1.91 0.28 0.06 82.70 18:10:01 6 18.73 0.03 2.56 0.87 0.07 77.74 18:10:01 7 18.00 0.02 2.01 0.31 0.07 79.59 18:20:00 all 10.30 0.01 1.56 0.11 0.08 87.93 18:20:00 0 11.19 0.01 1.67 0.14 0.08 86.91 18:20:00 1 9.95 0.01 1.65 0.14 0.09 88.16 18:20:00 2 10.67 0.01 1.78 0.11 0.09 87.34 18:20:00 3 9.42 0.00 1.49 0.10 0.09 88.90 18:20:00 4 10.81 0.00 1.55 0.06 0.09 87.49 18:20:00 5 10.78 0.02 1.46 0.05 0.08 87.61 18:20:00 6 10.04 0.01 1.55 0.08 0.08 88.23 18:20:00 7 9.53 0.00 1.35 0.22 0.07 88.83 18:30:09 all 9.05 0.00 2.05 0.06 0.09 88.75 18:30:09 0 9.20 0.00 2.18 0.04 0.09 88.48 18:30:09 1 10.82 0.00 2.18 0.04 0.10 86.87 18:30:09 2 9.24 0.00 2.00 0.06 0.09 88.61 18:30:09 3 8.72 0.00 2.08 0.15 0.10 88.95 18:30:09 4 9.29 0.00 1.99 0.05 0.09 88.58 18:30:09 5 9.20 0.00 2.16 0.06 0.09 88.50 18:30:09 6 7.89 0.00 1.87 0.02 0.09 90.13 18:30:09 7 8.02 0.00 1.95 0.03 0.09 89.91 Average: all 14.07 0.01 2.34 0.37 0.08 83.14 Average: 0 14.76 0.01 2.48 0.32 0.08 82.35 Average: 1 13.85 0.01 2.35 0.36 0.08 83.35 Average: 2 13.83 0.00 2.28 0.31 0.08 83.49 Average: 3 14.76 0.00 2.42 0.45 0.08 82.28 Average: 4 14.24 0.01 2.35 0.31 0.08 83.02 Average: 5 14.27 0.01 2.28 0.40 0.08 82.97 Average: 6 13.86 0.01 2.45 0.46 0.08 83.15 Average: 7 12.96 0.00 2.14 0.33 0.07 84.49