---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58963 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 640 10331 4 5016 15004 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:28:fa:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84854sec preferred_lft 84854sec inet6 fe80::f816:3eff:fe28:fa79/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:59:ab:03:d7:ad 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-58963) 09/26/26 _x86_64_ (4 CPU) 20:07:22 LINUX RESTART (4 CPU) 20:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:57 6.44 0.63 5.63 0.19 36.28 1650.19 242.15 20:30:01 15.22 0.57 13.47 1.18 22.12 2290.16 7833.59 Average: 10.43 0.60 9.19 0.64 29.86 1940.48 3685.71 20:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:57 8493924 11624264 4337788 26.49 113776 3174916 4438832 25.48 492788 7027688 92 20:30:01 9746884 13451564 2506528 15.31 133204 3696992 2786812 16.00 683128 5558340 113336 Average: 9120404 12537914 3422158 20.90 123490 3435954 3612822 20.74 587958 6293014 56714 20:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:57 lo 0.59 0.59 0.35 0.35 0.00 0.00 0.00 0.00 20:20:57 ens3 17.66 14.79 96.44 2.86 0.00 0.00 0.00 0.00 20:20:57 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 439.43 439.43 418.88 418.88 0.00 0.00 0.00 0.00 20:30:01 ens3 60.16 45.00 514.74 5.16 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 199.65 199.65 190.20 190.20 0.00 0.00 0.00 0.00 Average: ens3 36.93 28.49 286.19 3.90 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-58963) 09/26/26 _x86_64_ (4 CPU) 20:07:22 LINUX RESTART (4 CPU) 20:10:02 CPU %user %nice %system %iowait %steal %idle 20:20:57 all 49.43 0.00 0.94 0.04 0.04 49.56 20:20:57 0 37.70 0.00 0.74 0.01 0.02 61.54 20:20:57 1 54.67 0.00 1.14 0.04 0.05 44.10 20:20:57 2 63.16 0.00 0.87 0.07 0.07 35.83 20:20:57 3 42.21 0.00 1.00 0.03 0.02 56.73 20:30:01 all 56.34 0.00 1.43 0.07 0.05 42.10 20:30:01 0 51.05 0.00 1.48 0.12 0.03 47.32 20:30:01 1 46.55 0.00 1.28 0.05 0.03 52.10 20:30:01 2 48.97 0.00 1.20 0.07 0.04 49.72 20:30:01 3 78.87 0.00 1.78 0.06 0.09 19.20 Average: all 52.57 0.00 1.16 0.06 0.04 46.17 Average: 0 43.75 0.00 1.07 0.06 0.03 55.09 Average: 1 50.98 0.00 1.20 0.05 0.04 47.74 Average: 2 56.73 0.00 1.02 0.07 0.05 42.13 Average: 3 58.82 0.00 1.35 0.05 0.05 39.73