---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15443 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: 5599.94 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 693 11357 4 3938 14953 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:d3:12:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80768sec preferred_lft 80768sec inet6 fe80::f816:3eff:fed3:126e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:34:85:d8:19:60 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::2434:85ff:fed8:1960/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15443) 03/23/26 _x86_64_ (4 CPU) 17:31:48 LINUX RESTART (4 CPU) 17:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:20 85.50 26.26 56.25 2.99 412.74 5457.32 3307.36 18:00:20 26.27 12.22 13.28 0.78 151.55 393.85 1485.66 18:10:20 8.80 0.22 8.16 0.42 17.67 527.74 1164.77 18:20:20 12.29 0.10 11.68 0.51 2.47 338.64 1839.68 18:30:20 13.67 0.02 13.03 0.62 1.32 384.18 1095.70 18:40:20 6.21 0.01 5.94 0.26 0.55 191.21 48.07 18:50:20 4.71 0.03 4.49 0.21 1.35 146.75 90.04 19:00:07 5.72 0.06 5.47 0.19 2.94 159.08 84.10 Average: 20.53 4.91 14.87 0.75 74.51 958.62 1145.41 17:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:20 5758232 8982184 6948528 42.44 270376 2947560 7971436 45.76 2135744 7914744 4588 18:00:20 3116600 6418592 9512144 58.10 277696 3013136 10882268 62.46 2194300 10474640 700 18:10:20 8898984 12311008 3623412 22.13 281848 3114136 4493932 25.80 2217724 4698816 1604 18:20:20 10107160 13563012 2372208 14.49 283724 3155940 3122320 17.92 2240060 3463916 0 18:30:20 9469584 12986820 2948108 18.01 285216 3215772 4164852 23.91 2244080 4103348 12648 18:40:20 8028512 11562712 4371108 26.70 285872 3232080 5226720 30.00 2245716 5529300 184 18:50:20 6342728 9898080 6035068 36.86 286360 3252716 6844780 39.29 2247920 7212608 584 19:00:07 6346668 9926116 6006972 36.69 287028 3276128 6814872 39.12 2254220 7201492 300 Average: 7258558 10706066 5227194 31.93 282265 3150934 6190148 35.53 2222470 6324858 2576 17:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:20 lo 28.83 28.83 20.14 20.14 0.00 0.00 0.00 0.00 17:50:20 ens3 2.16 2.13 0.65 0.57 0.00 0.00 0.00 0.00 17:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:20 lo 43.84 43.84 18.40 18.40 0.00 0.00 0.00 0.00 18:00:20 ens3 1.30 1.26 0.29 0.25 0.00 0.00 0.00 0.00 18:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:20 lo 15.81 15.81 7.31 7.31 0.00 0.00 0.00 0.00 18:10:20 ens3 0.68 0.55 0.20 0.16 0.00 0.00 0.00 0.00 18:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:20 lo 6.68 6.68 3.52 3.52 0.00 0.00 0.00 0.00 18:20:20 ens3 0.78 0.69 0.14 1.13 0.00 0.00 0.00 0.00 18:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:20 lo 15.65 15.65 7.45 7.45 0.00 0.00 0.00 0.00 18:30:20 ens3 0.75 0.58 0.17 0.13 0.00 0.00 0.00 0.00 18:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:20 lo 18.34 18.34 9.15 9.15 0.00 0.00 0.00 0.00 18:40:20 ens3 0.83 0.61 0.21 0.16 0.00 0.00 0.00 0.00 18:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:20 lo 28.88 28.88 11.84 11.84 0.00 0.00 0.00 0.00 18:50:20 ens3 0.53 0.43 0.11 0.09 0.00 0.00 0.00 0.00 18:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:07 lo 14.45 14.45 7.73 7.73 0.00 0.00 0.00 0.00 19:00:07 ens3 0.57 0.44 0.17 0.11 0.00 0.00 0.00 0.00 19:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.59 21.59 10.71 10.71 0.00 0.00 0.00 0.00 Average: ens3 0.95 0.84 0.25 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15443) 03/23/26 _x86_64_ (4 CPU) 17:31:48 LINUX RESTART (4 CPU) 17:40:13 CPU %user %nice %system %iowait %steal %idle 17:50:20 all 64.94 0.00 2.43 0.62 0.12 31.89 17:50:20 0 65.27 0.00 2.17 0.49 0.12 31.94 17:50:20 1 64.61 0.00 2.45 0.95 0.12 31.87 17:50:20 2 64.30 0.00 2.60 0.74 0.13 32.23 17:50:20 3 65.56 0.00 2.49 0.31 0.12 31.52 18:00:20 all 33.54 0.09 1.30 0.37 0.13 64.57 18:00:20 0 33.30 0.13 1.33 0.16 0.12 64.95 18:00:20 1 33.83 0.18 1.36 0.29 0.13 64.21 18:00:20 2 33.60 0.03 1.29 0.03 0.12 64.93 18:00:20 3 33.41 0.01 1.21 1.00 0.16 64.21 18:10:20 all 16.35 0.00 0.70 0.05 0.07 82.82 18:10:20 0 15.82 0.00 0.78 0.05 0.07 83.29 18:10:20 1 16.66 0.00 0.73 0.01 0.07 82.52 18:10:20 2 15.75 0.00 0.57 0.02 0.07 83.60 18:10:20 3 17.19 0.00 0.71 0.14 0.07 81.88 18:20:20 all 16.43 0.00 0.59 0.73 0.16 82.10 18:20:20 0 16.53 0.00 0.61 0.99 0.16 81.71 18:20:20 1 15.52 0.00 0.55 0.82 0.15 82.96 18:20:20 2 16.61 0.00 0.63 0.99 0.15 81.63 18:20:20 3 17.06 0.00 0.55 0.11 0.18 82.10 18:30:20 all 22.36 0.00 0.73 0.06 0.08 76.77 18:30:20 0 22.35 0.00 0.66 0.07 0.07 76.84 18:30:20 1 21.79 0.00 0.77 0.03 0.08 77.32 18:30:20 2 23.25 0.00 0.75 0.09 0.08 75.83 18:30:20 3 22.06 0.00 0.74 0.03 0.08 77.09 18:40:20 all 10.56 0.00 0.45 0.09 0.06 88.84 18:40:20 0 10.66 0.00 0.42 0.05 0.06 88.81 18:40:20 1 10.50 0.00 0.47 0.05 0.06 88.92 18:40:20 2 10.84 0.00 0.43 0.07 0.07 88.59 18:40:20 3 10.25 0.00 0.48 0.17 0.06 89.04 18:50:20 all 11.09 0.00 0.47 0.02 0.07 88.35 18:50:20 0 11.03 0.00 0.51 0.05 0.07 88.34 18:50:20 1 11.13 0.00 0.42 0.03 0.08 88.34 18:50:20 2 11.56 0.00 0.48 0.01 0.07 87.88 18:50:20 3 10.63 0.00 0.46 0.00 0.06 88.84 19:00:07 all 9.50 0.00 0.47 0.05 0.07 89.91 19:00:07 0 8.98 0.00 0.47 0.11 0.07 90.36 19:00:07 1 9.38 0.00 0.53 0.05 0.07 89.98 19:00:07 2 9.49 0.00 0.50 0.04 0.07 89.90 19:00:07 3 10.13 0.00 0.39 0.02 0.08 89.39 Average: all 23.19 0.01 0.89 0.25 0.10 75.55 Average: 0 23.09 0.02 0.87 0.25 0.09 75.68 Average: 1 23.03 0.02 0.91 0.28 0.10 75.66 Average: 2 23.27 0.00 0.91 0.25 0.09 75.47 Average: 3 23.38 0.00 0.88 0.22 0.10 75.41