---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60203 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 656 10234 4 5097 14989 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:08:a7:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84945sec preferred_lft 84945sec inet6 fe80::f816:3eff:fe08:a728/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:a5:06:8b:6e:40 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-60203) 09/27/26 _x86_64_ (4 CPU) 15:26:22 LINUX RESTART (4 CPU) 15:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 13.63 0.65 11.67 1.31 43.86 3026.88 8175.28 15:50:00 28.12 0.67 23.50 3.95 28.19 3995.94 9169.79 Average: 21.01 0.66 17.70 2.66 35.88 3520.86 8682.24 15:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9201776 13048300 2906640 17.75 148104 3789604 3192240 18.32 651456 6102048 28436 15:50:00 10541104 15404600 542504 3.31 181976 4705944 1080248 6.20 930612 4387832 12372 Average: 9871440 14226450 1724572 10.53 165040 4247774 2136244 12.26 791034 5244940 20404 15:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.47 1.47 0.15 0.15 0.00 0.00 0.00 0.00 15:40:01 ens3 85.01 58.55 436.06 19.22 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:00 lo 1743.90 1743.90 1648.65 1648.65 0.00 0.00 0.00 0.00 15:50:00 ens3 136.01 120.36 450.87 193.84 0.00 0.00 0.00 0.00 15:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 889.69 889.69 840.48 840.48 0.00 0.00 0.00 0.00 Average: ens3 111.01 90.06 443.61 108.23 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-60203) 09/27/26 _x86_64_ (4 CPU) 15:26:22 LINUX RESTART (4 CPU) 15:30:25 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 71.92 0.00 2.73 0.05 0.03 25.27 15:40:01 0 70.27 0.00 2.72 0.04 0.02 26.94 15:40:01 1 73.39 0.00 2.85 0.03 0.03 23.70 15:40:01 2 73.20 0.00 2.52 0.10 0.03 24.16 15:40:01 3 70.81 0.00 2.84 0.05 0.03 26.27 15:50:00 all 51.26 0.00 2.58 0.10 0.02 46.05 15:50:00 0 49.44 0.00 2.65 0.12 0.02 47.77 15:50:00 1 50.83 0.00 2.65 0.08 0.02 46.42 15:50:00 2 53.52 0.00 2.91 0.08 0.02 43.47 15:50:00 3 51.24 0.00 2.09 0.11 0.02 46.54 Average: all 61.38 0.00 2.65 0.08 0.02 35.86 Average: 0 59.65 0.00 2.69 0.08 0.02 37.56 Average: 1 61.88 0.00 2.75 0.05 0.03 35.29 Average: 2 63.17 0.00 2.72 0.09 0.02 33.99 Average: 3 60.84 0.00 2.46 0.08 0.02 36.60