---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1423 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 24G 132G 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 865 13584 4 17642 30759 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:c5:36:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.67/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84561sec preferred_lft 84561sec inet6 fe80::f816:3eff:fec5:3646/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:73:6d:cc:a6:e7 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::6073:6dff:fecc:a6e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1423) 03/12/26 _x86_64_ (8 CPU) 12:23:41 LINUX RESTART (8 CPU) 12:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:19 40.09 2.81 36.42 0.85 215.65 1669.36 634.83 12:50:00 337.71 0.95 311.70 25.05 56.54 60426.60 872829.59 Average: 186.61 1.90 171.94 12.77 137.32 30595.40 430014.04 12:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:19 29064844 31340548 1006932 3.06 105440 2474544 1576728 4.65 316224 3140596 213772 12:50:00 16477184 30899052 1351892 4.11 377500 13727024 1840080 5.43 7913164 7390240 300 Average: 22771014 31119800 1179412 3.59 241470 8100784 1708404 5.04 4114694 5265418 107036 12:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:19 lo 0.37 0.37 0.05 0.05 0.00 0.00 0.00 0.00 12:40:19 ens3 44.57 34.42 328.12 9.56 0.00 0.00 0.00 0.00 12:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.40 0.40 0.06 0.06 0.00 0.00 0.00 0.00 12:50:00 ens3 180.26 110.77 2446.63 2382.50 0.00 0.00 0.00 0.00 12:50:00 docker0 4.33 5.41 0.24 130.68 0.00 0.00 0.00 0.00 Average: lo 0.39 0.39 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 111.37 72.01 1371.06 1177.75 0.00 0.00 0.00 0.00 Average: docker0 2.13 2.66 0.12 64.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1423) 03/12/26 _x86_64_ (8 CPU) 12:23:41 LINUX RESTART (8 CPU) 12:30:20 CPU %user %nice %system %iowait %steal %idle 12:40:19 all 2.15 0.00 0.20 0.20 0.01 97.44 12:40:19 0 1.12 0.00 0.12 0.02 0.01 98.73 12:40:19 1 2.63 0.00 0.26 0.15 0.02 96.96 12:40:19 2 3.41 0.00 0.21 0.06 0.01 96.32 12:40:19 3 3.44 0.00 0.35 0.49 0.02 95.70 12:40:19 4 2.67 0.00 0.24 0.11 0.01 96.97 12:40:19 5 1.20 0.00 0.14 0.04 0.01 98.63 12:40:19 6 1.20 0.00 0.17 0.70 0.01 97.92 12:40:19 7 1.54 0.00 0.11 0.02 0.02 98.31 12:50:00 all 9.49 0.00 5.26 1.80 0.06 83.39 12:50:00 0 8.28 0.00 5.36 1.71 0.06 84.60 12:50:00 1 9.83 0.00 5.79 1.67 0.06 82.65 12:50:00 2 9.33 0.00 5.37 1.90 0.07 83.34 12:50:00 3 12.60 0.00 5.84 2.37 0.07 79.12 12:50:00 4 9.19 0.00 5.16 1.51 0.07 84.08 12:50:00 5 7.67 0.00 5.14 2.42 0.06 84.71 12:50:00 6 9.00 0.00 4.73 1.51 0.06 84.70 12:50:00 7 10.05 0.00 4.69 1.29 0.06 83.91 Average: all 5.74 0.00 2.68 0.98 0.04 90.56 Average: 0 4.62 0.00 2.68 0.84 0.04 91.81 Average: 1 6.15 0.00 2.97 0.89 0.04 89.95 Average: 2 6.30 0.00 2.73 0.96 0.04 89.98 Average: 3 7.92 0.00 3.04 1.41 0.05 87.59 Average: 4 5.86 0.00 2.65 0.79 0.04 90.66 Average: 5 4.36 0.00 2.58 1.20 0.03 91.82 Average: 6 5.02 0.00 2.40 1.10 0.03 91.45 Average: 7 5.71 0.00 2.36 0.64 0.04 91.26