---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-474095 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 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 664 9823 4 5501 14982 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:21:15:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84384sec preferred_lft 84384sec inet6 fe80::f816:3eff:fe21:15c3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:93:f8:87:69:94 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-474095) 03/14/26 _x86_64_ (4 CPU) 18:23:00 LINUX RESTART (4 CPU) 18:30:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:30 43.84 0.03 36.79 7.03 0.65 1624.88 89797.08 18:50:01 29.37 0.17 24.95 4.25 5.11 2430.66 23838.91 Average: 36.78 0.10 31.01 5.67 2.83 2017.91 57624.92 18:30:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:30 9217248 12777264 3181492 19.43 157064 3531424 3436128 19.72 809940 5960612 112 18:50:01 7636188 12667036 3284952 20.06 184292 4909520 3541532 20.33 1286928 6982612 962888 Average: 8426718 12722150 3233222 19.75 170678 4220472 3488830 20.03 1048434 6471612 481500 18:30:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:30 lo 39.97 39.97 9.69 9.69 0.00 0.00 0.00 0.00 18:40:30 ens3 16.47 12.72 14.19 4.26 0.00 0.00 0.00 0.00 18:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1777.12 1777.12 1678.70 1678.70 0.00 0.00 0.00 0.00 18:50:01 ens3 68.31 53.90 487.84 13.09 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 887.29 887.29 823.78 823.78 0.00 0.00 0.00 0.00 Average: ens3 41.76 32.80 245.22 8.57 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-4g-474095) 03/14/26 _x86_64_ (4 CPU) 18:23:00 LINUX RESTART (4 CPU) 18:30:30 CPU %user %nice %system %iowait %steal %idle 18:40:30 all 26.01 0.00 1.01 0.26 0.09 72.63 18:40:30 0 26.46 0.00 0.80 0.05 0.09 72.60 18:40:30 1 24.85 0.00 1.10 0.51 0.09 73.45 18:40:30 2 25.63 0.00 1.08 0.36 0.09 72.84 18:40:30 3 27.09 0.00 1.06 0.13 0.09 71.62 18:50:01 all 44.89 0.00 2.13 0.08 0.08 52.81 18:50:01 0 45.80 0.00 2.10 0.08 0.08 51.94 18:50:01 1 46.00 0.00 2.32 0.05 0.08 51.54 18:50:01 2 44.43 0.00 2.00 0.09 0.08 53.39 18:50:01 3 43.33 0.00 2.12 0.10 0.08 54.37 Average: all 35.21 0.00 1.56 0.17 0.09 62.97 Average: 0 35.88 0.00 1.43 0.07 0.09 62.53 Average: 1 35.16 0.00 1.70 0.28 0.09 62.77 Average: 2 34.80 0.00 1.53 0.23 0.09 63.35 Average: 3 35.01 0.00 1.58 0.12 0.09 63.21