---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33622 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 60G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 705 10724 4 4559 14941 Swap: 1023 20 1003 ---> 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:0c:bc:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79456sec preferred_lft 79456sec inet6 fe80::f816:3eff:fe0c:bc19/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:5a:9b:69:82:8b 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::805a:9bff:fe69:828b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-33622) 03/25/26 _x86_64_ (4 CPU) 07:34:17 LINUX RESTART (4 CPU) 07:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:03 83.04 6.33 73.18 3.54 213.84 25247.59 11652.08 08:00:04 44.59 19.49 23.84 1.25 181.46 1678.36 1588.38 08:10:05 7.73 0.15 7.17 0.42 5.39 278.68 199.30 08:20:05 10.74 1.64 8.62 0.47 26.84 534.00 333.90 08:30:05 34.62 0.19 18.13 16.30 4.32 585.47 211522.41 08:40:05 7.54 0.02 7.27 0.26 1.41 218.43 148.38 08:50:25 5.73 0.07 5.46 0.21 1.10 149.10 61.12 09:00:25 6.09 0.04 5.90 0.14 1.63 159.16 70.94 09:10:26 5.60 0.05 5.36 0.19 2.10 159.83 67.84 09:20:26 12.70 0.08 12.10 0.51 5.08 695.34 220.55 Average: 21.82 2.80 16.69 2.32 44.28 2971.92 22484.36 07:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:03 2132840 6748740 9176900 56.05 268568 4237404 10329608 59.29 2289668 11273504 90920 08:00:04 3881544 7218156 8713316 53.22 272212 3057284 9492916 54.49 2216632 9707920 728 08:10:05 7097476 10456332 5479136 33.46 273156 3078388 7031756 40.36 2235692 6491232 240 08:20:05 9018008 12471408 3464776 21.16 277296 3168716 4411912 25.32 2260992 4537280 352 08:30:05 9377996 12920816 3015712 18.42 280848 3254632 3826948 21.97 2292260 4161088 212 08:40:05 7891416 11463796 4471640 27.31 281368 3283672 5240784 30.08 2294032 5630612 260 08:50:25 7716380 11308340 4627016 28.26 281944 3302688 5345192 30.68 2295524 5791068 52 09:00:25 6164464 9776252 6158380 37.61 282408 3322060 6904200 39.63 2297592 7354400 336 09:10:26 6034072 9668524 6265848 38.27 283016 3344216 7044292 40.43 2301824 7480272 180 09:20:26 7582888 11369236 4566412 27.89 287540 3489604 5224752 29.99 2319008 5920748 284 Average: 6689708 10340160 5593914 34.17 278836 3353866 6485236 37.23 2280322 6834812 9356 07:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:03 lo 14.43 14.43 12.56 12.56 0.00 0.00 0.00 0.00 07:50:03 ens3 36.32 26.10 641.28 3.01 0.00 0.00 0.00 0.00 07:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:04 lo 41.63 41.63 19.58 19.58 0.00 0.00 0.00 0.00 08:00:04 ens3 1.99 1.60 0.43 0.35 0.00 0.00 0.00 0.00 08:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:05 lo 22.00 22.00 9.06 9.06 0.00 0.00 0.00 0.00 08:10:05 ens3 0.97 0.56 0.23 0.16 0.00 0.00 0.00 0.00 08:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:05 lo 11.82 11.82 6.06 6.06 0.00 0.00 0.00 0.00 08:20:05 ens3 1.35 1.03 0.24 1.24 0.00 0.00 0.00 0.00 08:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:05 lo 12.70 12.70 7.40 7.40 0.00 0.00 0.00 0.00 08:30:05 ens3 1.12 0.81 0.25 0.19 0.00 0.00 0.00 0.00 08:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:05 lo 19.55 19.55 9.28 9.28 0.00 0.00 0.00 0.00 08:40:05 ens3 0.88 0.65 0.20 0.15 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:25 lo 27.24 27.24 9.52 9.52 0.00 0.00 0.00 0.00 08:50:25 ens3 0.97 0.53 0.21 0.14 0.00 0.00 0.00 0.00 08:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:25 lo 16.48 16.48 8.34 8.34 0.00 0.00 0.00 0.00 09:00:25 ens3 1.07 0.55 0.30 0.20 0.00 0.00 0.00 0.00 09:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:26 lo 17.19 17.19 10.25 10.25 0.00 0.00 0.00 0.00 09:10:26 ens3 0.91 0.55 0.20 0.15 0.00 0.00 0.00 0.00 09:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:26 lo 17.81 17.81 9.90 9.90 0.00 0.00 0.00 0.00 09:20:26 ens3 2.11 1.06 0.58 0.40 0.00 0.00 0.00 0.00 09:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.11 20.11 10.20 10.20 0.00 0.00 0.00 0.00 Average: ens3 4.77 3.35 64.45 0.60 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-33622) 03/25/26 _x86_64_ (4 CPU) 07:34:17 LINUX RESTART (4 CPU) 07:40:00 CPU %user %nice %system %iowait %steal %idle 07:50:03 all 55.36 0.00 2.50 4.30 0.15 37.69 07:50:03 0 53.84 0.00 2.55 4.43 0.15 39.04 07:50:03 1 54.34 0.00 2.57 4.19 0.14 38.76 07:50:03 2 55.22 0.00 2.18 4.29 0.15 38.17 07:50:03 3 58.06 0.00 2.71 4.30 0.15 34.78 08:00:04 all 49.47 0.00 1.92 0.33 0.17 48.10 08:00:04 0 49.06 0.00 1.94 0.28 0.17 48.55 08:00:04 1 49.87 0.00 1.89 0.39 0.17 47.68 08:00:04 2 48.70 0.00 1.92 0.52 0.17 48.69 08:00:04 3 50.27 0.00 1.93 0.14 0.16 47.50 08:10:05 all 17.62 0.00 0.78 0.12 0.12 81.36 08:10:05 0 17.34 0.00 0.73 0.13 0.10 81.70 08:10:05 1 17.99 0.00 0.90 0.05 0.19 80.86 08:10:05 2 17.65 0.00 0.79 0.03 0.09 81.44 08:10:05 3 17.51 0.00 0.70 0.25 0.10 81.45 08:20:05 all 17.11 0.00 0.77 0.04 0.08 82.00 08:20:05 0 17.01 0.00 0.78 0.07 0.08 82.06 08:20:05 1 17.12 0.00 0.89 0.04 0.08 81.87 08:20:05 2 17.46 0.00 0.78 0.04 0.08 81.64 08:20:05 3 16.87 0.00 0.62 0.02 0.08 82.42 08:30:05 all 30.42 0.00 1.04 0.09 0.21 68.25 08:30:05 0 30.83 0.00 1.05 0.12 0.26 67.75 08:30:05 1 30.43 0.00 1.06 0.07 0.15 68.29 08:30:05 2 30.26 0.00 1.10 0.10 0.22 68.33 08:30:05 3 30.15 0.00 0.94 0.07 0.22 68.62 08:40:05 all 15.01 0.00 0.63 0.28 0.06 84.02 08:40:05 0 14.49 0.00 0.65 0.04 0.07 84.75 08:40:05 1 15.91 0.00 0.57 0.22 0.07 83.22 08:40:05 2 14.41 0.00 0.66 0.52 0.06 84.36 08:40:05 3 15.22 0.00 0.62 0.34 0.06 83.75 08:50:25 all 8.98 0.00 0.50 0.26 0.05 90.22 08:50:25 0 8.69 0.00 0.51 0.30 0.05 90.46 08:50:25 1 9.29 0.00 0.47 0.01 0.06 90.17 08:50:25 2 8.84 0.00 0.55 0.29 0.06 90.26 08:50:25 3 9.09 0.00 0.45 0.44 0.05 89.97 09:00:25 all 10.25 0.00 0.41 0.30 0.13 88.91 09:00:25 0 9.74 0.00 0.37 0.07 0.22 89.61 09:00:25 1 11.00 0.00 0.36 0.97 0.06 87.60 09:00:25 2 9.95 0.00 0.43 0.03 0.12 89.47 09:00:25 3 10.33 0.00 0.46 0.15 0.10 88.96 09:10:26 all 10.33 0.00 0.43 0.03 0.07 89.14 09:10:26 0 10.17 0.00 0.38 0.03 0.06 89.36 09:10:26 1 10.46 0.00 0.47 0.04 0.07 88.95 09:10:26 2 10.68 0.00 0.41 0.01 0.07 88.83 09:10:26 3 10.03 0.00 0.44 0.05 0.06 89.42 09:20:26 all 21.70 0.00 0.80 0.13 0.10 77.26 09:20:26 0 21.63 0.00 0.75 0.03 0.08 77.52 09:20:26 1 22.00 0.00 0.80 0.08 0.08 77.04 09:20:26 2 21.59 0.00 0.79 0.30 0.16 77.16 09:20:26 3 21.60 0.00 0.86 0.13 0.08 77.34 Average: all 23.59 0.00 0.98 0.59 0.11 74.73 Average: 0 23.25 0.00 0.97 0.55 0.12 75.11 Average: 1 23.81 0.00 1.00 0.61 0.11 74.48 Average: 2 23.44 0.00 0.96 0.61 0.12 74.87 Average: 3 23.87 0.00 0.97 0.59 0.11 74.46