---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1487 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 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 608 10574 4 4806 15038 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:65:52:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84608sec preferred_lft 84608sec inet6 fe80::f816:3eff:fe65:52a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:d0:fc:5d:07:3b 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-1487) 04/09/26 _x86_64_ (4 CPU) 13:49:32 LINUX RESTART (4 CPU) 13:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:20 38.64 4.36 33.53 0.75 277.21 4491.30 1487.98 14:10:21 2.52 0.06 2.40 0.06 6.27 353.01 8.72 Average: 20.84 2.24 18.19 0.41 143.70 2452.06 759.04 13:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:20 10228712 13167336 2796588 17.08 111112 2995748 3068512 17.61 480820 5333780 10216 14:10:21 9604840 12632248 3330780 20.34 114388 3074364 3520588 20.21 502024 5922212 140 Average: 9916776 12899792 3063684 18.71 112750 3035056 3294550 18.91 491422 5627996 5178 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:20 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 14:00:20 ens3 91.37 66.82 878.89 12.87 0.00 0.00 0.00 0.00 14:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:21 lo 0.50 0.50 0.36 0.36 0.00 0.00 0.00 0.00 14:10:21 ens3 5.06 3.85 20.39 0.98 0.00 0.00 0.00 0.00 14:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.50 0.50 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 48.84 35.79 455.84 7.01 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-1487) 04/09/26 _x86_64_ (4 CPU) 13:49:32 LINUX RESTART (4 CPU) 13:50:02 CPU %user %nice %system %iowait %steal %idle 14:00:20 all 48.87 0.00 1.28 0.24 0.17 49.44 14:00:20 0 46.30 0.00 1.32 0.37 0.18 51.83 14:00:20 1 47.70 0.00 1.36 0.43 0.18 50.33 14:00:20 2 59.63 0.00 1.47 0.12 0.18 38.60 14:00:20 3 41.90 0.00 0.96 0.04 0.13 56.97 14:10:21 all 41.25 0.00 0.49 0.01 0.14 58.10 14:10:21 0 74.59 0.00 0.65 0.00 0.20 24.56 14:10:21 1 34.83 0.00 0.46 0.01 0.15 64.54 14:10:21 2 26.48 0.00 0.45 0.01 0.10 72.95 14:10:21 3 29.15 0.00 0.42 0.02 0.12 70.29 Average: all 45.12 0.00 0.89 0.13 0.16 53.71 Average: 0 60.25 0.00 0.99 0.19 0.19 38.38 Average: 1 41.35 0.00 0.92 0.23 0.17 57.34 Average: 2 43.27 0.00 0.97 0.07 0.14 55.55 Average: 3 35.61 0.00 0.69 0.03 0.13 63.54