---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22658 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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: 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: 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 703 11195 4 4089 14935 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:1b:cb:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79434sec preferred_lft 79434sec inet6 fe80::f816:3eff:fe1b:cbc2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:a7:58:f1:b9:a0 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 ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-22658) 02/27/26 _x86_64_ (4 CPU) 07:22:41 LINUX RESTART (4 CPU) 07:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:05 75.65 22.65 50.26 2.74 329.28 5398.18 3212.84 07:50:12 23.00 6.07 16.00 0.93 113.87 480.51 846.79 08:00:12 8.52 0.10 8.02 0.41 6.40 283.48 693.24 08:10:01 31.45 12.30 18.31 0.84 147.85 794.89 1081.27 08:20:02 9.59 0.01 9.17 0.40 0.55 276.03 489.27 08:30:01 21.24 0.06 5.70 15.48 1.71 145.89 211977.31 08:40:04 5.46 0.00 5.27 0.19 0.16 147.14 82.61 08:50:00 6.59 0.01 6.38 0.20 1.37 175.69 350.43 09:00:04 4.78 0.00 4.61 0.17 0.20 148.72 134.17 09:10:04 9.95 0.02 9.55 0.38 0.65 633.43 191.30 Average: 19.52 4.08 13.27 2.17 59.74 841.92 21877.71 07:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:05 1625036 4947212 10984648 67.09 263240 3039136 11753672 67.47 2183904 11972612 308 07:50:12 4233276 7049160 8879084 54.23 264948 2586384 9601444 55.11 2217452 9387372 168 08:00:12 6876804 9717456 6213240 37.95 266140 2609976 6951428 39.90 2223816 6740424 304 08:10:01 10874420 13904968 2027876 12.39 275900 2782932 3406804 19.56 2302764 2688656 904 08:20:02 9056656 12125184 3807032 23.25 277468 2819348 5051700 29.00 2306052 4499548 884 08:30:01 8208304 11297496 4634116 28.30 278328 2839132 5354252 30.73 2312348 5324668 52 08:40:04 8273264 11381408 4550040 27.79 278920 2857436 5206156 29.88 2313496 5268524 224 08:50:00 9729464 12875928 3056724 18.67 279460 2895236 4202316 24.12 2318172 3813276 19112 09:00:04 9741188 12911188 3021552 18.45 280148 2918084 4211900 24.18 2320324 3803640 21332 09:10:04 7968768 11265764 4665836 28.50 284024 3035544 5264964 30.22 2334808 5543952 508 Average: 7658718 10747576 5184015 31.66 274858 2838321 6100464 35.02 2283314 5904267 4380 07:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:05 lo 26.00 26.00 17.94 17.94 0.00 0.00 0.00 0.00 07:40:05 ens3 2.15 2.13 0.65 1.37 0.00 0.00 0.00 0.00 07:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:12 lo 42.35 42.35 18.31 18.31 0.00 0.00 0.00 0.00 07:50:12 ens3 1.31 1.21 0.26 0.23 0.00 0.00 0.00 0.00 07:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:12 lo 16.55 16.55 8.43 8.43 0.00 0.00 0.00 0.00 08:00:12 ens3 0.60 0.42 0.14 0.10 0.00 0.00 0.00 0.00 08:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 10.24 10.24 5.01 5.01 0.00 0.00 0.00 0.00 08:10:01 ens3 1.06 0.88 0.32 0.26 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:02 lo 7.11 7.11 4.37 4.37 0.00 0.00 0.00 0.00 08:20:02 ens3 0.73 0.37 0.13 0.09 0.00 0.00 0.00 0.00 08:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 20.11 20.11 9.67 9.67 0.00 0.00 0.00 0.00 08:30:01 ens3 0.82 0.66 0.21 0.16 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 lo 26.06 26.06 8.83 8.83 0.00 0.00 0.00 0.00 08:40:04 ens3 2.91 0.47 0.55 0.21 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 17.03 17.03 8.63 8.63 0.00 0.00 0.00 0.00 08:50:00 ens3 1.49 0.58 0.28 0.17 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:04 lo 17.68 17.68 10.41 10.41 0.00 0.00 0.00 0.00 09:00:04 ens3 2.64 0.64 0.55 0.26 0.00 0.00 0.00 0.00 09:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:04 lo 19.28 19.28 10.48 10.48 0.00 0.00 0.00 0.00 09:10:04 ens3 1.87 1.04 0.51 0.36 0.00 0.00 0.00 0.00 09:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.28 20.28 10.22 10.22 0.00 0.00 0.00 0.00 Average: ens3 1.56 0.84 0.36 0.32 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-22658) 02/27/26 _x86_64_ (4 CPU) 07:22:41 LINUX RESTART (4 CPU) 07:30:12 CPU %user %nice %system %iowait %steal %idle 07:40:05 all 54.82 0.00 2.05 0.55 0.10 42.47 07:40:05 0 55.17 0.00 2.14 0.75 0.10 41.84 07:40:05 1 55.15 0.00 2.04 0.32 0.10 42.39 07:40:05 2 54.70 0.00 1.99 0.61 0.11 42.59 07:40:05 3 54.27 0.00 2.04 0.51 0.11 43.08 07:50:12 all 35.68 0.00 1.35 0.14 0.11 62.72 07:50:12 0 36.17 0.00 1.25 0.09 0.11 62.37 07:50:12 1 36.13 0.00 1.50 0.11 0.11 62.15 07:50:12 2 35.65 0.00 1.28 0.29 0.11 62.66 07:50:12 3 34.77 0.00 1.35 0.08 0.11 63.69 08:00:12 all 17.42 0.00 0.80 0.06 0.10 81.62 08:00:12 0 17.68 0.00 0.78 0.07 0.10 81.37 08:00:12 1 16.71 0.00 0.79 0.02 0.10 82.38 08:00:12 2 17.73 0.00 0.91 0.14 0.10 81.12 08:00:12 3 17.55 0.00 0.71 0.02 0.09 81.63 08:10:01 all 24.09 0.07 0.91 0.31 0.10 74.52 08:10:01 0 23.32 0.00 0.89 0.51 0.10 75.18 08:10:01 1 23.81 0.07 0.92 0.27 0.10 74.83 08:10:01 2 24.16 0.10 0.81 0.27 0.10 74.56 08:10:01 3 25.07 0.13 1.00 0.18 0.09 73.52 08:20:02 all 13.73 0.00 0.50 0.02 0.09 85.66 08:20:02 0 13.50 0.00 0.46 0.04 0.08 85.92 08:20:02 1 14.95 0.00 0.60 0.03 0.09 84.32 08:20:02 2 12.50 0.00 0.49 0.01 0.09 86.91 08:20:02 3 13.94 0.00 0.46 0.01 0.08 85.50 08:30:01 all 9.94 0.00 0.44 4.08 0.10 85.45 08:30:01 0 9.59 0.00 0.36 5.23 0.09 84.73 08:30:01 1 10.14 0.00 0.48 0.18 0.10 89.09 08:30:01 2 9.97 0.00 0.46 6.90 0.12 82.55 08:30:01 3 10.06 0.00 0.44 4.01 0.10 85.40 08:40:04 all 8.30 0.00 0.37 0.52 0.07 90.74 08:40:04 0 8.26 0.00 0.34 0.18 0.08 91.13 08:40:04 1 8.25 0.00 0.33 0.18 0.07 91.17 08:40:04 2 8.35 0.00 0.38 1.55 0.07 89.65 08:40:04 3 8.33 0.00 0.43 0.17 0.08 91.00 08:50:00 all 13.65 0.00 0.61 0.59 0.08 85.06 08:50:00 0 12.48 0.00 0.65 0.71 0.09 86.07 08:50:00 1 13.76 0.00 0.62 0.27 0.09 85.27 08:50:00 2 14.19 0.00 0.56 1.22 0.09 83.95 08:50:00 3 14.17 0.00 0.64 0.15 0.07 84.97 09:00:04 all 10.00 0.00 0.52 0.12 0.08 89.27 09:00:04 0 9.75 0.00 0.53 0.15 0.08 89.50 09:00:04 1 9.99 0.00 0.55 0.27 0.09 89.11 09:00:04 2 10.42 0.00 0.57 0.06 0.09 88.86 09:00:04 3 9.85 0.00 0.44 0.01 0.08 89.62 09:10:04 all 17.47 0.00 0.69 0.46 0.09 81.30 09:10:04 0 17.17 0.00 0.71 0.29 0.08 81.74 09:10:04 1 17.62 0.00 0.75 0.25 0.09 81.29 09:10:04 2 16.65 0.00 0.59 0.41 0.09 82.26 09:10:04 3 18.43 0.00 0.70 0.88 0.10 79.90 Average: all 20.46 0.01 0.82 0.68 0.09 77.94 Average: 0 20.26 0.00 0.81 0.80 0.09 78.04 Average: 1 20.60 0.01 0.86 0.19 0.09 78.26 Average: 2 20.38 0.01 0.80 1.14 0.10 77.57 Average: 3 20.59 0.01 0.82 0.60 0.09 77.89