---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3056 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: 5600.00 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 27G 129G 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 874 12698 3 18519 30745 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:69:08:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.145/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84615sec preferred_lft 84615sec inet6 fe80::f816:3eff:fe69:88c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:e5:19:8c:8c:f0 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::34e5:19ff:fe8c:8cf0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3056) 03/19/26 _x86_64_ (8 CPU) 10:07:20 LINUX RESTART (8 CPU) 10:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:19 668.47 1.78 621.99 44.70 53.78 69376.97 530952.09 10:30:01 12.21 1.68 10.16 0.37 38.62 409.21 4173.54 Average: 349.74 1.73 324.84 23.17 46.41 35881.50 275112.31 10:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:19 287440 20330764 11810204 35.94 609404 18448704 17540608 51.73 4574644 24210764 236 10:30:01 284256 19312580 12827660 39.03 606888 17451932 18496104 54.54 4452476 24336056 948 Average: 285848 19821672 12318932 37.49 608146 17950318 18018356 53.13 4513560 24273410 592 10:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:19 lo 0.92 0.92 0.15 0.15 0.00 0.00 0.00 0.00 10:20:19 ens3 377.69 233.19 4393.65 63.33 0.00 0.00 0.00 0.00 10:20:19 docker0 24.04 43.56 1.40 825.83 0.00 0.00 0.00 0.00 10:20:19 br-6533ca138cfd 0.31 0.27 0.01 0.02 0.00 0.00 0.00 0.00 10:20:19 veth8918424 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:20:19 vethf9a9142 8.22 8.24 4.80 1.49 0.00 0.00 0.00 0.00 10:20:19 veth05c8ba1 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 10:20:19 veth322726a 0.31 0.34 0.03 0.13 0.00 0.00 0.00 0.00 10:20:19 vethcd49c36 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 10:20:19 vethebb513e 2.97 2.73 0.48 1.12 0.00 0.00 0.00 0.00 10:20:19 vethd618d3c 0.07 0.13 0.02 0.03 0.00 0.00 0.00 0.00 10:20:19 veth0a2cbf6 1.00 0.84 0.13 0.92 0.00 0.00 0.00 0.00 10:30:01 lo 6.09 6.09 27.59 27.59 0.00 0.00 0.00 0.00 10:30:01 ens3 9.56 5.93 4.19 4.28 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 br-6533ca138cfd 3.31 3.21 26.89 0.76 0.00 0.00 0.00 0.00 10:30:01 veth8918424 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 vethf9a9142 266.36 286.02 197.03 134.52 0.00 0.00 0.00 0.02 10:30:01 veth05c8ba1 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 10:30:01 veth322726a 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 10:30:01 vethcd49c36 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 vethebb513e 134.18 125.15 104.35 70.34 0.00 0.00 0.00 0.01 10:30:01 veth0a2cbf6 159.40 148.18 73.17 130.69 0.00 0.00 0.00 0.01 Average: lo 3.43 3.43 13.48 13.48 0.00 0.00 0.00 0.00 Average: ens3 198.90 122.82 2261.83 34.65 0.00 0.00 0.00 0.00 Average: docker0 12.36 22.40 0.72 424.75 0.00 0.00 0.00 0.00 Average: br-6533ca138cfd 1.76 1.70 13.07 0.38 0.00 0.00 0.00 0.00 Average: veth8918424 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethf9a9142 133.59 143.15 98.16 66.10 0.00 0.00 0.00 0.01 Average: veth05c8ba1 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth322726a 0.36 0.27 0.05 0.23 0.00 0.00 0.00 0.00 Average: vethcd49c36 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethebb513e 66.70 62.19 50.92 34.74 0.00 0.00 0.00 0.00 Average: veth0a2cbf6 77.93 72.40 35.61 63.95 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3056) 03/19/26 _x86_64_ (8 CPU) 10:07:20 LINUX RESTART (8 CPU) 10:10:02 CPU %user %nice %system %iowait %steal %idle 10:20:19 all 37.32 0.02 5.70 3.81 0.09 53.07 10:20:19 0 37.07 0.02 5.51 4.83 0.09 52.48 10:20:19 1 38.41 0.02 5.45 3.89 0.09 52.14 10:20:19 2 37.17 0.02 6.19 3.42 0.09 53.11 10:20:19 3 36.73 0.02 5.78 3.82 0.09 53.56 10:20:19 4 37.60 0.01 5.64 2.91 0.09 53.74 10:20:19 5 36.51 0.03 6.08 3.74 0.09 53.55 10:20:19 6 37.34 0.01 5.47 4.04 0.09 53.06 10:20:19 7 37.70 0.04 5.47 3.82 0.09 52.89 10:30:01 all 8.18 0.00 1.23 0.07 0.07 90.45 10:30:01 0 7.71 0.00 1.18 0.07 0.07 90.97 10:30:01 1 8.30 0.00 1.36 0.03 0.08 90.24 10:30:01 2 8.00 0.00 1.36 0.05 0.07 90.51 10:30:01 3 9.37 0.00 1.19 0.24 0.08 89.12 10:30:01 4 8.04 0.00 1.27 0.04 0.07 90.58 10:30:01 5 8.53 0.00 1.23 0.03 0.07 90.14 10:30:01 6 7.87 0.00 1.10 0.04 0.07 90.91 10:30:01 7 7.62 0.00 1.12 0.03 0.07 91.17 Average: all 23.18 0.01 3.53 1.99 0.08 71.21 Average: 0 22.81 0.01 3.40 2.52 0.08 71.17 Average: 1 23.83 0.01 3.47 2.02 0.08 70.59 Average: 2 23.02 0.01 3.85 1.79 0.08 71.26 Average: 3 23.43 0.01 3.55 2.08 0.09 70.84 Average: 4 23.26 0.01 3.52 1.52 0.08 71.62 Average: 5 22.93 0.02 3.73 1.93 0.08 71.32 Average: 6 23.04 0.01 3.35 2.10 0.08 71.43 Average: 7 23.10 0.02 3.36 1.98 0.08 71.47