---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-309 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: 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 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 646 10374 4 4968 14999 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:7b:53:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84735sec preferred_lft 84735sec inet6 fe80::f816:3eff:fe7b:533e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:e8:65:ce:45:1a 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-309) 09/05/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:00 17.56 3.00 13.83 0.73 168.92 3854.33 1783.72 20:30:00 4.83 0.38 4.23 0.22 12.40 616.89 30.43 Average: 11.19 1.69 9.03 0.47 90.66 2235.61 907.07 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:00 9420844 12513320 3448948 21.06 114936 3136160 3787056 21.74 494236 6108088 316 20:30:00 9596152 13211112 2748132 16.78 128864 3613684 2936792 16.86 560640 5827328 342952 Average: 9508498 12862216 3098540 18.92 121900 3374922 3361924 19.30 527438 5967708 171634 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:00 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 20:20:00 ens3 106.70 84.19 801.35 11.31 0.00 0.00 0.00 0.00 20:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 113.70 113.70 107.30 107.30 0.00 0.00 0.00 0.00 20:30:00 ens3 52.58 41.07 433.11 4.45 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 57.10 57.10 53.68 53.68 0.00 0.00 0.00 0.00 Average: ens3 79.64 62.63 617.23 7.88 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-309) 09/05/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:00 all 46.46 0.00 1.23 0.14 0.01 52.16 20:20:00 0 45.81 0.00 1.27 0.08 0.01 52.82 20:20:00 1 43.94 0.00 1.21 0.06 0.01 54.78 20:20:00 2 45.22 0.00 1.19 0.09 0.01 53.48 20:20:00 3 50.85 0.00 1.26 0.31 0.02 47.56 20:30:00 all 47.55 0.00 0.77 0.02 0.01 51.64 20:30:00 0 46.69 0.00 0.73 0.02 0.01 52.55 20:30:00 1 45.02 0.00 0.82 0.03 0.01 54.12 20:30:00 2 51.42 0.00 0.72 0.02 0.01 47.82 20:30:00 3 47.09 0.00 0.81 0.02 0.02 52.07 Average: all 47.00 0.00 1.00 0.08 0.01 51.90 Average: 0 46.25 0.00 1.00 0.05 0.01 52.69 Average: 1 44.48 0.00 1.02 0.04 0.01 54.45 Average: 2 48.32 0.00 0.96 0.06 0.01 50.65 Average: 3 48.97 0.00 1.04 0.17 0.02 49.82