---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22404 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: 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 705 10871 3 4412 14941 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:dc:08:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80002sec preferred_lft 80002sec inet6 fe80::f816:3eff:fedc:82a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:b6:25:ed:cd:94 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::c8b6:25ff:feed:cd94/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-22404) 03/24/26 _x86_64_ (4 CPU) 21:55:38 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:14 128.98 2.86 109.52 16.60 193.86 34252.09 250616.17 22:20:00 61.32 23.43 36.01 1.87 288.44 1893.08 2272.59 22:30:01 11.03 0.17 10.15 0.71 8.64 374.82 1508.77 22:40:06 10.64 0.06 10.08 0.49 1.71 575.47 613.02 22:50:14 18.06 0.03 17.29 0.74 1.63 584.57 316.97 23:00:01 6.32 0.04 5.99 0.29 0.98 158.44 453.82 23:10:14 4.80 0.01 4.60 0.19 1.11 147.97 41.90 23:20:14 4.71 0.01 4.54 0.17 0.59 148.79 44.96 23:30:01 11.53 0.06 10.99 0.47 5.47 688.12 295.84 23:40:14 6.56 0.02 6.26 0.28 1.10 195.23 205.74 Average: 26.48 2.62 21.66 2.21 49.98 3960.01 26093.32 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:14 163608 9152684 6767060 41.33 259276 8500200 8658832 49.70 2158488 13256328 1664 22:20:00 9299020 12491136 3443132 21.03 269768 2915016 4613968 26.48 2186252 4331988 7184 22:30:01 1632240 4850096 11083228 67.69 271284 2939056 12188988 69.96 2198808 11975204 160 22:40:06 11970856 15314260 624908 3.82 275812 3060020 1357500 7.79 2237684 1612420 10956 22:50:14 10740872 14162868 1776244 10.85 278496 3135944 2805876 16.11 2244040 2850528 276 23:00:01 8005072 11445004 4492584 27.44 279184 3153196 5273440 30.27 2245508 5573700 316 23:10:14 6548872 10010572 5926140 36.19 279668 3174492 6716020 38.55 2247400 7023400 324 23:20:14 6481064 9964680 5971896 36.47 280324 3195772 6723684 38.59 2250892 7087476 128 23:30:01 10524504 14159476 1779340 10.87 284592 3340188 2844128 16.33 2266232 3041420 1052 23:40:14 6769624 10432940 5504024 33.62 285308 3367800 6150912 35.31 2278772 6759008 340 Average: 7213573 11198372 4736856 28.93 276371 3678168 5733335 32.91 2231408 6351147 2240 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:14 lo 3.02 3.02 4.06 4.06 0.00 0.00 0.00 0.00 22:10:14 ens3 108.24 82.30 1326.14 8.12 0.00 0.00 0.00 0.00 22:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:00 lo 47.83 47.83 26.34 26.34 0.00 0.00 0.00 0.00 22:20:00 ens3 2.36 2.00 0.54 0.45 0.00 0.00 0.00 0.00 22:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 lo 31.57 31.57 13.95 13.95 0.00 0.00 0.00 0.00 22:30:01 ens3 1.43 1.28 0.24 1.20 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:06 lo 12.96 12.96 6.01 6.01 0.00 0.00 0.00 0.00 22:40:06 ens3 1.93 0.75 0.40 0.23 0.00 0.00 0.00 0.00 22:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:14 lo 17.03 17.03 8.35 8.35 0.00 0.00 0.00 0.00 22:50:14 ens3 0.87 0.65 0.16 0.13 0.00 0.00 0.00 0.00 22:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 lo 18.76 18.76 9.43 9.43 0.00 0.00 0.00 0.00 23:00:01 ens3 0.83 0.63 0.21 0.16 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:14 lo 28.43 28.43 11.63 11.63 0.00 0.00 0.00 0.00 23:10:14 ens3 1.09 0.47 0.21 0.12 0.00 0.00 0.00 0.00 23:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:14 lo 17.87 17.87 10.00 10.00 0.00 0.00 0.00 0.00 23:20:14 ens3 0.79 0.53 0.17 0.12 0.00 0.00 0.00 0.00 23:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 18.14 18.14 10.15 10.15 0.00 0.00 0.00 0.00 23:30:01 ens3 0.95 0.77 0.27 0.21 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:14 lo 28.84 28.84 12.06 12.06 0.00 0.00 0.00 0.00 23:40:14 ens3 1.30 0.70 0.28 0.19 0.00 0.00 0.00 0.00 23:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.38 22.38 11.15 11.15 0.00 0.00 0.00 0.00 Average: ens3 12.18 9.15 135.31 1.11 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-22404) 03/24/26 _x86_64_ (4 CPU) 21:55:38 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:14 all 42.61 0.00 1.99 2.61 0.09 52.70 22:10:14 0 44.77 0.00 1.97 2.26 0.08 50.92 22:10:14 1 41.77 0.00 1.82 1.93 0.08 54.39 22:10:14 2 43.28 0.00 2.14 3.77 0.13 50.68 22:10:14 3 40.61 0.00 2.02 2.49 0.08 54.80 22:20:00 all 60.40 0.00 2.15 0.14 0.11 37.20 22:20:00 0 60.83 0.00 2.22 0.12 0.11 36.73 22:20:00 1 59.77 0.00 2.17 0.15 0.11 37.80 22:20:00 2 60.73 0.00 2.14 0.21 0.11 36.81 22:20:00 3 60.27 0.00 2.08 0.08 0.11 37.46 22:30:01 all 27.40 0.00 1.23 0.03 0.09 71.26 22:30:01 0 27.45 0.00 1.12 0.05 0.09 71.28 22:30:01 1 27.14 0.00 1.26 0.03 0.09 71.48 22:30:01 2 27.54 0.00 1.20 0.03 0.09 71.14 22:30:01 3 27.46 0.00 1.31 0.01 0.09 71.13 22:40:06 all 16.29 0.00 0.77 0.05 0.08 82.82 22:40:06 0 16.89 0.00 0.76 0.12 0.07 82.16 22:40:06 1 16.60 0.00 0.68 0.03 0.08 82.61 22:40:06 2 16.00 0.00 0.84 0.03 0.08 83.05 22:40:06 3 15.64 0.00 0.81 0.01 0.07 83.47 22:50:14 all 27.16 0.00 0.91 0.05 0.08 71.79 22:50:14 0 27.60 0.00 0.94 0.04 0.07 71.33 22:50:14 1 26.00 0.00 0.87 0.03 0.08 73.02 22:50:14 2 27.64 0.00 0.96 0.10 0.08 71.23 22:50:14 3 27.42 0.00 0.88 0.04 0.08 71.58 23:00:01 all 11.64 0.00 0.45 0.02 0.07 87.82 23:00:01 0 11.49 0.00 0.43 0.04 0.07 87.97 23:00:01 1 12.04 0.00 0.49 0.02 0.07 87.38 23:00:01 2 11.07 0.00 0.48 0.03 0.07 88.36 23:00:01 3 11.96 0.00 0.41 0.01 0.07 87.56 23:10:14 all 10.20 0.00 0.45 0.02 0.08 89.25 23:10:14 0 9.64 0.00 0.35 0.02 0.07 89.92 23:10:14 1 10.64 0.00 0.51 0.03 0.08 88.73 23:10:14 2 10.61 0.00 0.51 0.01 0.08 88.79 23:10:14 3 9.91 0.00 0.43 0.02 0.08 89.56 23:20:14 all 9.61 0.00 0.47 0.02 0.07 89.82 23:20:14 0 9.06 0.00 0.50 0.03 0.07 90.35 23:20:14 1 9.83 0.00 0.47 0.02 0.08 89.61 23:20:14 2 9.54 0.00 0.46 0.03 0.07 89.90 23:20:14 3 10.02 0.00 0.47 0.02 0.07 89.41 23:30:01 all 16.45 0.00 0.68 0.04 0.08 82.74 23:30:01 0 15.59 0.00 0.66 0.02 0.08 83.65 23:30:01 1 16.19 0.00 0.66 0.03 0.08 83.04 23:30:01 2 16.81 0.00 0.73 0.11 0.08 82.26 23:30:01 3 17.22 0.00 0.65 0.02 0.08 82.04 23:40:14 all 13.16 0.00 0.43 0.03 0.08 86.29 23:40:14 0 12.23 0.00 0.44 0.01 0.07 87.24 23:40:14 1 13.48 0.00 0.37 0.05 0.08 86.01 23:40:14 2 13.53 0.00 0.48 0.05 0.08 85.86 23:40:14 3 13.41 0.00 0.44 0.02 0.08 86.06 Average: all 23.43 0.00 0.95 0.31 0.08 75.23 Average: 0 23.49 0.00 0.94 0.28 0.08 75.22 Average: 1 23.28 0.00 0.93 0.24 0.08 75.48 Average: 2 23.61 0.00 1.00 0.44 0.09 74.86 Average: 3 23.32 0.00 0.95 0.28 0.08 75.37