---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54902 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 13G 66G 16% / 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 663 8809 4 6516 14982 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:85:dd:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84506sec preferred_lft 84506sec inet6 fe80::f816:3eff:fe85:ddde/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:1f:7b:56:9d:05 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-54902) 09/22/26 _x86_64_ (4 CPU) 13:50:54 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:20 25.45 0.02 22.68 2.75 0.34 2186.60 8192.58 14:20:00 17.86 0.03 16.23 1.60 1.28 3706.03 7419.28 Average: 21.78 0.03 19.56 2.19 0.79 2920.90 7818.86 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:20 9277688 13200612 2754124 16.82 151776 3866476 2862864 16.43 737296 5931736 15244 14:20:00 8336804 13090312 2861932 17.48 164672 4652704 2948336 16.92 988760 6574248 1396 Average: 8807246 13145462 2808028 17.15 158224 4259590 2905600 16.68 863028 6252992 8320 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:20 lo 1375.12 1375.12 1310.37 1310.37 0.00 0.00 0.00 0.00 14:10:20 ens3 25.36 20.85 18.57 7.04 0.00 0.00 0.00 0.00 14:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 1064.23 1064.23 7755.27 7755.27 0.00 0.00 0.00 0.00 14:20:00 ens3 17.61 12.91 24.14 4.55 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1224.87 1224.87 4425.05 4425.05 0.00 0.00 0.00 0.00 Average: ens3 21.62 17.01 21.26 5.84 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-54902) 09/22/26 _x86_64_ (4 CPU) 13:50:54 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:20 all 66.08 0.00 2.61 0.13 0.04 31.14 14:10:20 0 66.20 0.00 2.37 0.06 0.04 31.33 14:10:20 1 64.90 0.00 2.82 0.10 0.04 32.15 14:10:20 2 65.71 0.00 2.51 0.28 0.05 31.44 14:10:20 3 67.50 0.00 2.75 0.07 0.04 29.64 14:20:00 all 46.29 0.00 2.01 0.44 0.04 51.22 14:20:00 0 43.73 0.00 1.88 0.84 0.04 53.51 14:20:00 1 48.07 0.00 1.90 0.52 0.05 49.46 14:20:00 2 46.37 0.00 2.05 0.26 0.04 51.28 14:20:00 3 46.97 0.00 2.20 0.15 0.03 50.64 Average: all 56.51 0.00 2.32 0.28 0.04 40.85 Average: 0 55.33 0.00 2.13 0.44 0.04 42.06 Average: 1 56.77 0.00 2.37 0.30 0.04 40.52 Average: 2 56.37 0.00 2.29 0.27 0.05 41.03 Average: 3 57.56 0.00 2.49 0.11 0.04 39.80