---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13162 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: 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 712 11508 4 3768 14934 Swap: 1023 3 1020 ---> 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:44:9c:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79486sec preferred_lft 79486sec inet6 fe80::f816:3eff:fe44:9c0d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:17:e6:f2:52:ce 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-13162) 02/18/26 _x86_64_ (4 CPU) 06:42:58 LINUX RESTART (4 CPU) 06:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:08 71.64 22.86 46.03 2.75 341.34 5368.12 2130.75 07:10:01 28.32 10.84 16.50 0.98 202.96 473.06 692.60 07:20:22 8.32 0.12 7.77 0.43 6.33 274.60 406.49 07:30:25 18.06 0.09 17.09 0.88 8.10 778.89 906.63 07:40:01 11.02 0.04 10.52 0.46 1.81 314.14 467.72 07:50:22 4.07 0.01 3.94 0.12 0.30 108.73 22.87 08:00:22 5.09 0.00 4.87 0.22 0.21 142.48 58.56 08:10:01 7.87 0.01 7.59 0.27 1.42 196.94 158.49 08:20:06 21.31 0.06 5.45 15.80 1.61 159.91 208774.67 08:30:25 10.03 0.39 9.17 0.47 9.43 621.32 123.44 Average: 18.46 3.40 12.81 2.24 56.70 837.64 21511.79 06:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:08 2179556 4674552 11261852 68.78 258268 2286080 12039160 69.10 1886336 11781556 316 07:10:01 3661564 6243124 9695260 59.21 261352 2369764 10989672 63.08 1971612 10230516 568 07:20:22 7086712 9693060 6245744 38.15 262564 2393344 7030016 40.35 1978284 6815228 556 07:30:25 10193180 12941164 3001668 18.33 268320 2529164 3736048 21.44 2018000 3687256 256 07:40:01 11805552 14605204 1338872 8.18 269472 2579684 2041456 11.72 2021368 2064220 13508 07:50:22 8522316 11324684 4617268 28.20 270080 2581788 5300968 30.43 2022132 5343820 232 08:00:22 8606592 11427720 4514188 27.57 270732 2599912 5184744 29.76 2023580 5252956 56 08:10:01 11675372 14534924 1408944 8.61 271476 2637592 2127216 12.21 2028556 2198708 19492 08:20:06 11464416 14351792 1591500 9.72 272688 2664224 2887292 16.57 2035780 2399652 20972 08:30:25 8200732 11211632 4730416 28.89 276728 2783612 5308392 30.47 2051948 5636872 68 Average: 8339599 11100786 4840571 29.56 268168 2542516 5664496 32.51 2003760 5541078 5602 06:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:08 lo 26.12 26.12 18.68 18.68 0.00 0.00 0.00 0.00 07:00:08 ens3 2.15 1.93 0.65 0.56 0.00 0.00 0.00 0.00 07:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 42.36 42.36 18.21 18.21 0.00 0.00 0.00 0.00 07:10:01 ens3 2.63 1.52 0.69 1.43 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:22 lo 17.11 17.11 8.66 8.66 0.00 0.00 0.00 0.00 07:20:22 ens3 0.95 0.54 0.22 0.15 0.00 0.00 0.00 0.00 07:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:25 lo 11.22 11.22 5.42 5.42 0.00 0.00 0.00 0.00 07:30:25 ens3 1.18 0.83 0.32 0.25 0.00 0.00 0.00 0.00 07:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 15.17 15.17 7.18 7.18 0.00 0.00 0.00 0.00 07:40:01 ens3 0.88 0.57 0.20 0.14 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:22 lo 12.98 12.98 7.04 7.04 0.00 0.00 0.00 0.00 07:50:22 ens3 2.07 0.52 0.37 0.19 0.00 0.00 0.00 0.00 07:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:22 lo 24.49 24.49 8.21 8.21 0.00 0.00 0.00 0.00 08:00:22 ens3 0.66 0.34 0.13 0.08 0.00 0.00 0.00 0.00 08:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 17.48 17.48 8.90 8.90 0.00 0.00 0.00 0.00 08:10:01 ens3 1.08 0.63 0.33 0.23 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 08:20:06 lo 17.68 17.68 10.46 10.46 0.00 0.00 0.00 0.00 08:20:06 ens3 2.73 0.63 0.45 0.18 0.00 0.00 0.00 0.00 08:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:25 lo 18.68 18.68 10.18 10.18 0.00 0.00 0.00 0.00 08:30:25 ens3 2.34 1.02 0.47 0.29 0.00 0.00 0.00 0.00 08:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.28 20.28 10.28 10.28 0.00 0.00 0.00 0.00 Average: ens3 1.67 0.85 0.38 0.35 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-13162) 02/18/26 _x86_64_ (4 CPU) 06:42:58 LINUX RESTART (4 CPU) 06:50:15 CPU %user %nice %system %iowait %steal %idle 07:00:08 all 53.43 0.00 2.05 0.10 0.10 44.32 07:00:08 0 53.32 0.00 1.98 0.06 0.10 44.54 07:00:08 1 54.37 0.00 1.94 0.14 0.10 43.44 07:00:08 2 52.88 0.00 2.16 0.14 0.10 44.73 07:00:08 3 53.15 0.00 2.11 0.07 0.11 44.55 07:10:01 all 37.98 0.00 1.47 0.08 0.10 60.38 07:10:01 0 38.08 0.00 1.42 0.05 0.10 60.35 07:10:01 1 38.18 0.00 1.50 0.13 0.10 60.08 07:10:01 2 37.47 0.00 1.46 0.05 0.10 60.92 07:10:01 3 38.18 0.00 1.49 0.07 0.10 60.16 07:20:22 all 16.83 0.00 0.70 0.03 0.08 82.36 07:20:22 0 16.90 0.00 0.60 0.00 0.08 82.43 07:20:22 1 16.42 0.00 0.76 0.05 0.08 82.70 07:20:22 2 16.88 0.00 0.76 0.05 0.08 82.23 07:20:22 3 17.14 0.00 0.67 0.02 0.08 82.10 07:30:25 all 26.27 0.00 0.99 0.14 0.07 72.53 07:30:25 0 26.83 0.00 1.07 0.07 0.08 71.96 07:30:25 1 25.45 0.00 1.00 0.13 0.07 73.35 07:30:25 2 25.78 0.00 0.91 0.16 0.07 73.07 07:30:25 3 27.02 0.00 0.96 0.18 0.07 71.76 07:40:01 all 17.69 0.00 0.62 0.03 0.06 81.60 07:40:01 0 16.95 0.00 0.57 0.02 0.06 82.41 07:40:01 1 17.65 0.00 0.64 0.06 0.07 81.59 07:40:01 2 18.30 0.00 0.63 0.01 0.06 80.99 07:40:01 3 17.85 0.00 0.64 0.03 0.06 81.42 07:50:22 all 5.97 0.00 0.26 0.02 0.05 93.70 07:50:22 0 5.84 0.00 0.22 0.01 0.05 93.88 07:50:22 1 5.87 0.00 0.30 0.02 0.05 93.75 07:50:22 2 5.98 0.00 0.24 0.01 0.05 93.71 07:50:22 3 6.21 0.00 0.28 0.01 0.05 93.45 08:00:22 all 8.40 0.00 0.44 0.02 0.05 91.09 08:00:22 0 8.57 0.00 0.49 0.03 0.05 90.86 08:00:22 1 8.80 0.00 0.43 0.01 0.06 90.71 08:00:22 2 8.04 0.00 0.44 0.01 0.06 91.46 08:00:22 3 8.18 0.00 0.43 0.01 0.05 91.33 08:10:01 all 12.35 0.00 0.53 0.02 0.06 87.04 08:10:01 0 11.70 0.00 0.51 0.02 0.06 87.71 08:10:01 1 12.78 0.00 0.52 0.01 0.06 86.63 08:10:01 2 12.63 0.00 0.58 0.02 0.06 86.71 08:10:01 3 12.31 0.00 0.49 0.04 0.06 87.10 08:20:06 all 10.16 0.00 0.42 0.04 0.06 89.32 08:20:06 0 10.01 0.00 0.45 0.08 0.06 89.40 08:20:06 1 9.68 0.00 0.46 0.02 0.06 89.78 08:20:06 2 10.91 0.00 0.38 0.01 0.06 88.65 08:20:06 3 10.04 0.00 0.39 0.04 0.06 89.47 08:30:25 all 17.64 0.00 0.62 0.03 0.07 81.64 08:30:25 0 17.67 0.00 0.65 0.05 0.06 81.56 08:30:25 1 17.99 0.00 0.66 0.02 0.07 81.26 08:30:25 2 18.15 0.00 0.54 0.03 0.07 81.21 08:30:25 3 16.74 0.00 0.63 0.03 0.06 82.53 Average: all 20.57 0.00 0.81 0.05 0.07 78.50 Average: 0 20.50 0.00 0.79 0.04 0.07 78.60 Average: 1 20.61 0.00 0.82 0.06 0.07 78.44 Average: 2 20.60 0.00 0.80 0.05 0.07 78.47 Average: 3 20.59 0.00 0.80 0.05 0.07 78.49