---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37454 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 14% / 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 658 10444 4 4887 14988 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:50:b8:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84650sec preferred_lft 84650sec inet6 fe80::f816:3eff:fe50:b825/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:45:d0:6b:80:cb 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-37454) 03/25/26 _x86_64_ (4 CPU) 09:44:18 LINUX RESTART (4 CPU) 09:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:14 3.17 0.07 2.95 0.15 6.94 483.16 140.27 10:10:01 10.95 0.52 9.79 0.63 19.39 1811.53 928.81 Average: 6.98 0.29 6.29 0.39 13.03 1132.77 525.89 09:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:14 10698772 13780628 2181372 13.32 115048 3130136 2408228 13.82 523040 4794884 11588 10:10:01 8950352 12716564 3241212 19.80 133728 3757896 3353084 19.25 726276 6309032 264784 Average: 9824562 13248596 2711292 16.56 124388 3444016 2880656 16.53 624658 5551958 138186 09:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:14 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:00:14 ens3 7.85 6.55 34.08 2.16 0.00 0.00 0.00 0.00 10:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 187.52 187.52 178.36 178.36 0.00 0.00 0.00 0.00 10:10:01 ens3 36.07 24.81 418.19 3.61 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 92.00 92.00 87.41 87.41 0.00 0.00 0.00 0.00 Average: ens3 21.65 15.48 221.92 2.87 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-37454) 03/25/26 _x86_64_ (4 CPU) 09:44:18 LINUX RESTART (4 CPU) 09:50:01 CPU %user %nice %system %iowait %steal %idle 10:00:14 all 47.58 0.00 0.67 0.15 0.20 51.39 10:00:14 0 61.36 0.00 0.70 0.17 0.21 37.57 10:00:14 1 37.85 0.00 0.60 0.19 0.22 61.14 10:00:14 2 44.86 0.00 0.67 0.01 0.17 54.28 10:00:14 3 46.28 0.00 0.72 0.24 0.20 52.56 10:10:01 all 59.97 0.00 0.98 0.09 0.13 38.83 10:10:01 0 53.51 0.00 0.84 0.20 0.12 45.33 10:10:01 1 74.59 0.00 1.08 0.05 0.15 24.12 10:10:01 2 44.14 0.00 1.08 0.09 0.11 54.59 10:10:01 3 67.60 0.00 0.94 0.03 0.13 31.29 Average: all 53.63 0.00 0.82 0.12 0.17 45.25 Average: 0 57.52 0.00 0.77 0.18 0.16 41.36 Average: 1 55.80 0.00 0.83 0.12 0.19 43.06 Average: 2 44.51 0.00 0.87 0.05 0.14 54.43 Average: 3 56.71 0.00 0.83 0.14 0.17 42.16