---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14897 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 61G 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 703 10928 3 4358 14943 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:93:13:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80383sec preferred_lft 80383sec inet6 fe80::f816:3eff:fe93:1377/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:48:75:75:20:77 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::9c48:75ff:fe75:2077/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-14897) 03/23/26 _x86_64_ (4 CPU) 08:14:15 LINUX RESTART (4 CPU) 08:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:02 97.06 24.41 68.70 3.94 400.47 15382.57 10948.33 08:40:07 22.73 1.75 19.90 1.08 26.08 515.26 569.62 08:50:06 14.18 0.16 13.32 0.71 6.66 610.50 454.03 09:00:06 16.65 0.08 15.76 0.81 3.60 445.88 674.59 09:10:07 21.41 0.12 5.77 15.52 1.63 137.43 211654.34 09:20:23 5.74 0.01 5.54 0.19 1.53 146.56 256.09 09:30:37 5.03 0.01 4.83 0.19 0.43 132.89 362.35 09:40:24 9.25 0.03 8.81 0.41 3.79 546.87 98.51 09:50:24 6.28 0.01 6.03 0.23 1.13 244.50 105.63 Average: 21.96 2.94 16.46 2.56 49.22 2006.72 24928.65 08:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:02 1789692 5347944 10581972 64.63 265828 3256440 11700800 67.16 2130888 11830908 1796 08:40:07 3473988 6802188 9130756 55.77 269288 3032740 10640868 61.08 2193112 10121308 1048 08:50:06 10269216 13708124 2229180 13.61 274232 3137476 3030956 17.40 2243364 3301564 248 09:00:06 7965860 11454936 4481304 27.37 276936 3184940 5324756 30.56 2249908 5579504 132 09:10:07 8033424 11542892 4393052 26.83 279804 3202468 5208488 29.90 2258424 5509876 144 09:20:23 6380788 9908096 6026816 36.81 280408 3219700 6776408 38.90 2260892 7156156 240 09:30:37 6424288 9968392 5966632 36.44 280932 3235976 6784040 38.94 2264148 7112820 272 09:40:24 7755164 11421808 4513844 27.57 284908 3348704 5279952 30.31 2272452 5763528 2368 09:50:24 7005240 10712496 5222888 31.90 285500 3388516 5971168 34.27 2291336 6502080 376 Average: 6566407 10096320 5838494 35.66 277537 3222996 6746382 38.72 2240503 6986416 736 08:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:02 lo 16.56 16.56 15.08 15.08 0.00 0.00 0.00 0.00 08:30:02 ens3 35.84 26.36 646.02 3.06 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:07 lo 43.06 43.06 18.32 18.32 0.00 0.00 0.00 0.00 08:40:07 ens3 1.80 1.61 0.38 0.33 0.00 0.00 0.00 0.00 08:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:06 lo 23.38 23.38 10.20 10.20 0.00 0.00 0.00 0.00 08:50:06 ens3 1.36 1.01 0.35 0.28 0.00 0.00 0.00 0.00 08:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:06 lo 18.24 18.24 9.30 9.30 0.00 0.00 0.00 0.00 09:00:06 ens3 0.93 0.81 0.19 0.16 0.00 0.00 0.00 0.00 09:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:07 lo 21.00 21.00 8.98 8.98 0.00 0.00 0.00 0.00 09:10:07 ens3 1.09 1.02 0.17 1.23 0.00 0.00 0.00 0.00 09:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:23 lo 27.30 27.30 11.32 11.32 0.00 0.00 0.00 0.00 09:20:23 ens3 0.70 0.44 0.13 0.09 0.00 0.00 0.00 0.00 09:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:37 lo 12.86 12.86 7.46 7.46 0.00 0.00 0.00 0.00 09:30:37 ens3 0.70 0.46 0.18 0.13 0.00 0.00 0.00 0.00 09:30:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:24 lo 16.50 16.50 9.96 9.96 0.00 0.00 0.00 0.00 09:40:24 ens3 0.89 0.83 0.25 0.21 0.00 0.00 0.00 0.00 09:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:24 lo 23.15 23.15 10.09 10.09 0.00 0.00 0.00 0.00 09:50:24 ens3 0.88 0.94 0.18 0.16 0.00 0.00 0.00 0.00 09:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.47 22.47 11.19 11.19 0.00 0.00 0.00 0.00 Average: ens3 4.89 3.70 71.56 0.62 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-14897) 03/23/26 _x86_64_ (4 CPU) 08:14:15 LINUX RESTART (4 CPU) 08:20:04 CPU %user %nice %system %iowait %steal %idle 08:30:02 all 51.32 0.00 2.22 3.17 0.14 43.15 08:30:02 0 50.81 0.00 2.13 4.65 0.14 42.27 08:30:02 1 52.20 0.00 2.52 3.34 0.14 41.80 08:30:02 2 52.18 0.00 2.10 1.30 0.14 44.28 08:30:02 3 50.09 0.00 2.13 3.38 0.14 44.26 08:40:07 all 43.25 0.00 1.73 0.17 0.14 54.71 08:40:07 0 42.62 0.00 1.77 0.11 0.14 55.36 08:40:07 1 43.20 0.00 1.72 0.06 0.14 54.88 08:40:07 2 42.98 0.00 1.80 0.26 0.14 54.81 08:40:07 3 44.21 0.00 1.63 0.24 0.14 53.78 08:50:06 all 21.43 0.00 0.90 0.06 0.12 77.49 08:50:06 0 21.67 0.00 0.95 0.05 0.12 77.20 08:50:06 1 21.72 0.00 0.84 0.06 0.12 77.26 08:50:06 2 21.19 0.00 0.89 0.10 0.13 77.69 08:50:06 3 21.13 0.00 0.90 0.03 0.12 77.82 09:00:06 all 27.57 0.00 0.95 0.07 0.11 71.30 09:00:06 0 27.32 0.00 0.92 0.05 0.11 71.61 09:00:06 1 27.88 0.00 0.94 0.17 0.11 70.91 09:00:06 2 27.82 0.00 1.03 0.03 0.11 71.01 09:00:06 3 27.26 0.00 0.94 0.04 0.11 71.66 09:10:07 all 8.83 0.00 0.48 0.22 0.10 90.36 09:10:07 0 8.67 0.00 0.48 0.28 0.10 90.47 09:10:07 1 9.18 0.00 0.50 0.23 0.10 89.99 09:10:07 2 8.99 0.00 0.47 0.00 0.11 90.42 09:10:07 3 8.46 0.00 0.50 0.37 0.10 90.57 09:20:23 all 10.30 0.00 0.48 0.16 0.11 88.96 09:20:23 0 10.24 0.00 0.55 0.17 0.10 88.95 09:20:23 1 9.71 0.00 0.55 0.26 0.11 89.36 09:20:23 2 10.93 0.00 0.42 0.11 0.11 88.43 09:20:23 3 10.32 0.00 0.38 0.09 0.11 89.10 09:30:37 all 9.08 0.00 0.41 0.10 0.11 90.31 09:30:37 0 8.54 0.00 0.40 0.12 0.10 90.85 09:30:37 1 9.49 0.00 0.37 0.09 0.12 89.93 09:30:37 2 9.25 0.00 0.44 0.13 0.10 90.09 09:30:37 3 9.04 0.00 0.43 0.06 0.10 90.37 09:40:24 all 13.78 0.00 0.60 0.13 0.10 85.39 09:40:24 0 13.47 0.00 0.62 0.11 0.10 85.70 09:40:24 1 13.54 0.00 0.55 0.04 0.10 85.77 09:40:24 2 14.10 0.00 0.70 0.33 0.11 84.75 09:40:24 3 14.02 0.00 0.54 0.03 0.09 85.32 09:50:24 all 15.47 0.00 0.59 0.31 0.10 83.53 09:50:24 0 15.39 0.00 0.70 0.62 0.10 83.19 09:50:24 1 15.74 0.00 0.61 0.09 0.10 83.45 09:50:24 2 14.86 0.00 0.49 0.40 0.11 84.15 09:50:24 3 15.89 0.00 0.57 0.13 0.10 83.31 Average: all 22.29 0.00 0.93 0.48 0.12 76.18 Average: 0 22.05 0.00 0.94 0.68 0.11 76.21 Average: 1 22.47 0.00 0.95 0.48 0.12 75.98 Average: 2 22.43 0.00 0.92 0.30 0.12 76.23 Average: 3 22.22 0.00 0.89 0.48 0.11 76.29