---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33638 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 709 11072 3 4207 14937 Swap: 1023 1 1022 ---> 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:5b:1f:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80307sec preferred_lft 80307sec inet6 fe80::f816:3eff:fe5b:1fed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:e2:95:75:dd:82 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::d0e2:95ff:fe75:dd82/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-33638) 03/25/26 _x86_64_ (4 CPU) 07:34:25 LINUX RESTART (4 CPU) 07:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:00 112.17 35.21 73.38 3.58 437.94 24378.94 11482.62 08:00:00 22.97 1.63 20.15 1.19 42.05 550.12 1314.11 08:10:00 11.16 0.14 10.47 0.56 13.44 568.42 781.19 08:20:00 15.15 0.03 14.45 0.66 1.80 411.92 553.01 08:30:00 22.37 0.07 6.55 15.75 1.77 186.36 211583.65 08:40:00 4.19 0.01 4.02 0.16 1.05 131.53 75.97 08:50:00 5.16 0.01 4.96 0.18 0.41 145.31 83.65 09:00:00 8.77 0.03 8.36 0.38 3.65 543.99 540.47 09:10:00 6.68 0.02 6.33 0.32 0.92 249.52 847.72 Average: 23.18 4.13 16.52 2.53 55.89 3018.50 25251.40 07:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:00 164664 3508648 12421932 75.87 268176 3046336 13620492 78.18 1966068 13640572 1792 08:00:00 3247508 6418440 9515660 58.12 270416 2886368 10771832 61.83 2034016 10508100 108 08:10:00 8164572 11441328 4494204 27.45 275348 2987356 5268020 30.24 2062996 5573044 140 08:20:00 8126440 11452040 4485732 27.40 277652 3033900 5230780 30.02 2069576 5619448 96 08:30:00 8075720 11428428 4509152 27.54 278828 3059844 5354388 30.73 2076904 5660408 512 08:40:00 6521660 9891900 6044820 36.92 279296 3076908 6806624 39.07 2078992 7193016 300 08:50:00 6516072 9903948 6032860 36.85 279852 3093988 6799416 39.03 2082180 7212868 72 09:00:00 7822116 11328764 4608808 28.15 283936 3207352 5329076 30.59 2090148 5891620 32 09:10:00 7077700 10626356 5310792 32.44 284764 3248440 6033096 34.63 2109324 6625276 392 Average: 6190717 9555539 6380440 38.97 277585 3071166 7245969 41.59 2063356 7547150 383 07:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:00 lo 16.68 16.68 15.00 15.00 0.00 0.00 0.00 0.00 07:50:00 ens3 39.80 27.83 644.77 3.12 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 45.64 45.64 20.06 20.06 0.00 0.00 0.00 0.00 08:00:00 ens3 2.11 1.76 0.46 0.38 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 20.58 20.58 8.01 8.01 0.00 0.00 0.00 0.00 08:10:00 ens3 1.27 0.97 0.32 0.90 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 17.02 17.02 8.36 8.36 0.00 0.00 0.00 0.00 08:20:00 ens3 1.15 0.89 0.21 0.54 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 18.45 18.45 9.17 9.17 0.00 0.00 0.00 0.00 08:30:00 ens3 0.92 0.61 0.21 0.15 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 27.30 27.30 11.09 11.09 0.00 0.00 0.00 0.00 08:40:00 ens3 0.68 0.51 0.15 0.12 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 19.55 19.55 10.45 10.45 0.00 0.00 0.00 0.00 08:50:00 ens3 1.16 0.59 0.26 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 09:00:00 lo 18.10 18.10 10.40 10.40 0.00 0.00 0.00 0.00 09:00:00 ens3 1.32 0.84 0.40 0.30 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:00 lo 24.56 24.56 10.41 10.41 0.00 0.00 0.00 0.00 09:10:00 ens3 1.10 0.80 0.24 0.19 0.00 0.00 0.00 0.00 09:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.10 23.10 11.44 11.44 0.00 0.00 0.00 0.00 Average: ens3 5.50 3.87 71.89 0.65 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-33638) 03/25/26 _x86_64_ (4 CPU) 07:34:25 LINUX RESTART (4 CPU) 07:40:00 CPU %user %nice %system %iowait %steal %idle 07:50:00 all 58.61 0.09 2.46 0.42 0.15 38.27 07:50:00 0 57.76 0.07 2.60 0.36 0.15 39.06 07:50:00 1 58.22 0.00 2.45 0.22 0.14 38.96 07:50:00 2 57.75 0.00 2.23 0.47 0.15 39.40 07:50:00 3 60.72 0.30 2.54 0.62 0.16 35.67 08:00:00 all 50.39 0.00 1.90 0.06 0.17 47.48 08:00:00 0 50.00 0.00 1.99 0.06 0.17 47.77 08:00:00 1 50.41 0.00 1.88 0.07 0.18 47.46 08:00:00 2 50.57 0.00 1.84 0.04 0.17 47.38 08:00:00 3 50.57 0.00 1.89 0.07 0.17 47.31 08:10:00 all 18.15 0.00 0.71 0.04 0.09 81.01 08:10:00 0 18.75 0.00 0.72 0.03 0.09 80.41 08:10:00 1 17.35 0.00 0.75 0.01 0.09 81.80 08:10:00 2 18.09 0.00 0.64 0.02 0.09 81.16 08:10:00 3 18.41 0.00 0.75 0.09 0.08 80.67 08:20:00 all 27.18 0.00 0.92 0.03 0.10 71.77 08:20:00 0 26.86 0.00 0.98 0.03 0.10 72.02 08:20:00 1 27.74 0.00 0.97 0.05 0.10 71.14 08:20:00 2 27.24 0.00 0.88 0.03 0.10 71.75 08:20:00 3 26.86 0.00 0.85 0.03 0.10 72.16 08:30:00 all 14.52 0.00 0.64 0.03 0.07 84.74 08:30:00 0 14.18 0.00 0.66 0.02 0.07 85.06 08:30:00 1 14.96 0.00 0.57 0.03 0.07 84.37 08:30:00 2 14.37 0.00 0.61 0.02 0.07 84.93 08:30:00 3 14.58 0.00 0.71 0.06 0.06 84.58 08:40:00 all 11.19 0.00 0.53 0.02 0.07 88.19 08:40:00 0 11.35 0.00 0.61 0.02 0.07 87.96 08:40:00 1 10.86 0.00 0.58 0.02 0.07 88.48 08:40:00 2 11.27 0.00 0.52 0.00 0.07 88.13 08:40:00 3 11.29 0.00 0.43 0.02 0.07 88.19 08:50:00 all 10.28 0.00 0.43 0.02 0.07 89.20 08:50:00 0 10.77 0.00 0.52 0.04 0.08 88.60 08:50:00 1 9.98 0.00 0.33 0.02 0.07 89.61 08:50:00 2 10.20 0.00 0.47 0.01 0.08 89.25 08:50:00 3 10.16 0.00 0.41 0.01 0.07 89.35 09:00:00 all 14.24 0.00 0.61 0.04 0.08 85.03 09:00:00 0 13.22 0.00 0.58 0.07 0.07 86.06 09:00:00 1 14.86 0.00 0.65 0.08 0.08 84.33 09:00:00 2 14.09 0.00 0.56 0.02 0.09 85.25 09:00:00 3 14.79 0.00 0.65 0.01 0.08 84.47 09:10:00 all 16.12 0.00 0.64 0.03 0.08 83.13 09:10:00 0 15.95 0.00 0.60 0.05 0.07 83.32 09:10:00 1 16.21 0.00 0.66 0.04 0.08 83.01 09:10:00 2 16.66 0.00 0.66 0.01 0.08 82.59 09:10:00 3 15.66 0.00 0.65 0.01 0.07 83.60 Average: all 24.52 0.01 0.98 0.08 0.10 74.32 Average: 0 24.32 0.01 1.03 0.08 0.10 74.47 Average: 1 24.50 0.00 0.98 0.06 0.10 74.36 Average: 2 24.47 0.00 0.93 0.07 0.10 74.43 Average: 3 24.78 0.03 0.99 0.10 0.09 74.00