---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11748 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: 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 639 10528 4 4820 15006 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:91:8e:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84874sec preferred_lft 84874sec inet6 fe80::f816:3eff:fe91:8e11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:d7:1f:52:70:9c 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-11748) 05/07/26 _x86_64_ (4 CPU) 13:36:42 LINUX RESTART (4 CPU) 13:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:29 17.26 0.23 4.15 12.88 23.60 757.81 229112.71 14:00:01 26.20 0.84 23.19 2.16 31.82 6337.10 7901.46 Average: 21.52 0.53 13.23 7.76 27.52 3418.67 123613.38 13:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:29 9788848 12811856 3151088 19.25 113556 3071852 3374220 19.37 502256 5729824 888 14:00:01 10808828 15387240 569448 3.48 136032 4543836 1106452 6.35 877492 4260968 26616 Average: 10298838 14099548 1860268 11.36 124794 3807844 2240336 12.86 689874 4995396 13752 13:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:29 lo 0.62 0.62 0.36 0.36 0.00 0.00 0.00 0.00 13:50:29 ens3 15.54 12.72 76.70 3.52 0.00 0.00 0.00 0.00 13:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 507.36 507.36 482.67 482.67 0.00 0.00 0.00 0.00 14:00:01 ens3 54.59 41.47 536.30 21.66 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 242.29 242.29 230.39 230.39 0.00 0.00 0.00 0.00 Average: ens3 34.16 26.43 295.89 12.17 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-11748) 05/07/26 _x86_64_ (4 CPU) 13:36:42 LINUX RESTART (4 CPU) 13:40:01 CPU %user %nice %system %iowait %steal %idle 13:50:29 all 48.70 0.00 0.80 0.05 0.11 50.34 13:50:29 0 48.78 0.00 0.80 0.03 0.12 50.27 13:50:29 1 48.24 0.00 0.85 0.08 0.11 50.72 13:50:29 2 48.07 0.00 0.93 0.06 0.11 50.83 13:50:29 3 49.72 0.00 0.63 0.01 0.10 49.54 14:00:01 all 50.58 0.00 1.50 0.39 0.12 47.42 14:00:01 0 51.85 0.00 1.50 0.13 0.11 46.41 14:00:01 1 40.63 0.00 1.44 0.78 0.12 57.03 14:00:01 2 58.88 0.00 1.39 0.40 0.13 39.20 14:00:01 3 50.94 0.00 1.66 0.23 0.11 47.07 Average: all 49.60 0.00 1.13 0.21 0.11 48.95 Average: 0 50.25 0.00 1.13 0.08 0.11 48.43 Average: 1 44.61 0.00 1.13 0.41 0.12 53.73 Average: 2 53.22 0.00 1.15 0.22 0.12 45.28 Average: 3 50.30 0.00 1.12 0.12 0.11 48.36