---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25921 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 67G 15% / 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 669 9834 4 5484 14977 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:93:f7:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81368sec preferred_lft 81368sec inet6 fe80::f816:3eff:fe93:f79d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:00:cb:aa:65:4f 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-25921) 06/08/26 _x86_64_ (4 CPU) 17:30:32 LINUX RESTART (4 CPU) 17:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:01 1.26 0.01 1.25 0.01 0.04 15.56 0.58 18:00:10 1.17 0.00 1.17 0.00 0.00 13.72 0.00 18:10:10 13.97 0.01 1.17 12.80 0.21 13.36 242789.80 18:20:01 1.30 0.00 1.30 0.00 0.01 14.29 0.01 18:30:10 84.04 4.67 73.01 6.35 275.03 5799.45 96826.78 18:40:10 13.15 0.01 11.11 2.03 0.19 709.19 52745.96 18:50:01 38.36 0.18 33.52 4.66 5.84 6743.69 92596.37 Average: 22.04 0.71 17.63 3.71 40.89 1903.79 69447.83 17:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:01 13667672 15514900 501808 3.06 57176 2015936 1152660 6.62 225912 2218784 204 18:00:10 13667672 15515288 501404 3.06 57528 2015952 1152724 6.62 226288 2220112 20 18:10:10 13662644 15515552 501188 3.06 58168 2020600 1152724 6.62 231624 2220720 272 18:20:01 13662144 15515384 501372 3.06 58472 2020608 1152788 6.62 231936 2226016 200 18:30:10 9835060 13242736 2717364 16.60 150992 3389844 3055132 17.54 690340 5462852 14276 18:40:10 9921744 13518360 2440040 14.90 159788 3554608 2780960 15.96 723608 5321820 46252 18:50:01 7279676 12689604 3258356 19.90 192836 5239940 3367848 19.33 1345616 7223644 176392 Average: 11670945 14501689 1488790 9.09 104994 2893927 1973548 11.33 525046 3841993 33945 17:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:50:01 ens3 0.36 0.13 0.09 0.05 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:00:10 ens3 0.30 0.10 0.07 0.04 0.00 0.00 0.00 0.00 18:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:10 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:01 ens3 0.37 0.25 0.05 0.49 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:10 lo 0.81 0.81 0.08 0.08 0.00 0.00 0.00 0.00 18:30:10 ens3 106.53 82.23 903.80 17.83 0.00 0.00 0.00 0.00 18:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:10 lo 54.83 54.83 13.33 13.33 0.00 0.00 0.00 0.00 18:40:10 ens3 7.84 6.02 4.29 1.76 0.00 0.00 0.00 0.00 18:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2305.51 2305.51 2205.24 2205.24 0.00 0.00 0.00 0.00 18:50:01 ens3 82.05 59.74 485.51 14.61 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 333.05 333.05 312.81 312.81 0.00 0.00 0.00 0.00 Average: ens3 28.36 21.32 200.54 4.99 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-25921) 06/08/26 _x86_64_ (4 CPU) 17:30:32 LINUX RESTART (4 CPU) 17:40:10 CPU %user %nice %system %iowait %steal %idle 17:50:01 all 0.15 0.00 0.03 0.02 0.01 99.79 17:50:01 0 0.03 0.00 0.04 0.06 0.02 99.85 17:50:01 1 0.08 0.00 0.02 0.00 0.01 99.88 17:50:01 2 0.44 0.00 0.03 0.00 0.01 99.51 17:50:01 3 0.03 0.00 0.02 0.00 0.01 99.93 18:00:10 all 0.14 0.00 0.03 0.01 0.02 99.81 18:00:10 0 0.02 0.00 0.03 0.02 0.02 99.91 18:00:10 1 0.47 0.00 0.03 0.00 0.02 99.48 18:00:10 2 0.03 0.00 0.03 0.00 0.02 99.92 18:00:10 3 0.02 0.00 0.01 0.00 0.01 99.95 18:10:10 all 0.15 0.00 0.03 0.07 0.03 99.72 18:10:10 0 0.02 0.00 0.02 0.15 0.01 99.80 18:10:10 1 0.31 0.00 0.03 0.09 0.01 99.56 18:10:10 2 0.26 0.00 0.04 0.05 0.08 99.57 18:10:10 3 0.02 0.00 0.02 0.00 0.01 99.95 18:20:01 all 0.20 0.00 0.03 0.12 0.01 99.64 18:20:01 0 0.28 0.00 0.03 0.18 0.01 99.49 18:20:01 1 0.16 0.00 0.03 0.00 0.01 99.79 18:20:01 2 0.04 0.00 0.03 0.23 0.01 99.68 18:20:01 3 0.32 0.00 0.01 0.05 0.01 99.60 18:30:10 all 35.04 0.00 1.44 1.13 0.10 62.29 18:30:10 0 32.75 0.00 1.16 0.68 0.09 65.32 18:30:10 1 33.75 0.00 1.43 0.48 0.09 64.26 18:30:10 2 37.07 0.00 1.98 2.78 0.09 58.07 18:30:10 3 36.59 0.00 1.18 0.60 0.11 61.51 18:40:10 all 16.04 0.00 0.85 1.10 0.09 81.92 18:40:10 0 15.36 0.00 0.85 1.74 0.09 81.97 18:40:10 1 16.80 0.00 0.85 1.45 0.09 80.81 18:40:10 2 16.16 0.00 0.92 0.66 0.09 82.17 18:40:10 3 15.85 0.00 0.78 0.55 0.09 82.73 18:50:01 all 51.20 0.00 2.69 0.66 0.11 45.34 18:50:01 0 50.17 0.00 2.67 0.87 0.12 46.17 18:50:01 1 50.70 0.00 2.76 0.48 0.11 45.95 18:50:01 2 50.58 0.00 2.69 0.84 0.11 45.77 18:50:01 3 53.33 0.00 2.65 0.44 0.11 43.47 Average: all 14.67 0.00 0.72 0.44 0.05 84.11 Average: 0 14.06 0.00 0.68 0.53 0.05 84.68 Average: 1 14.56 0.00 0.73 0.36 0.05 84.30 Average: 2 14.91 0.00 0.82 0.66 0.06 83.56 Average: 3 15.14 0.00 0.67 0.24 0.05 83.91