---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66385 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 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 682 8430 4 6876 14963 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:54:63:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84525sec preferred_lft 84525sec inet6 fe80::f816:3eff:fe54:6367/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:ca:fd:ea:c4:cf 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-66385) 10/23/26 _x86_64_ (4 CPU) 08:50:50 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:26 25.74 0.02 23.07 2.66 0.40 2229.50 14202.79 09:20:01 16.21 0.03 14.79 1.39 0.45 3648.36 7510.89 Average: 21.17 0.02 19.10 2.05 0.42 2909.14 10997.32 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:26 8884480 13204720 2747740 16.78 160904 4244276 2828216 16.23 829016 6227604 21124 09:20:01 6801236 13066808 2879068 17.58 172796 6110220 2933380 16.84 1484540 7570060 1098948 Average: 7842858 13135764 2813404 17.18 166850 5177248 2880798 16.54 1156778 6898832 560036 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:26 lo 1255.24 1255.24 1197.12 1197.12 0.00 0.00 0.00 0.00 09:10:26 ens3 20.80 18.82 17.66 6.32 0.00 0.00 0.00 0.00 09:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 910.03 910.03 7659.44 7659.44 0.00 0.00 0.00 0.00 09:20:01 ens3 24.02 20.41 117.79 5.01 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1089.88 1089.88 4292.62 4292.62 0.00 0.00 0.00 0.00 Average: ens3 22.34 19.59 65.62 5.69 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-66385) 10/23/26 _x86_64_ (4 CPU) 08:50:50 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:26 all 66.12 0.00 2.53 0.07 0.03 31.25 09:10:26 0 66.17 0.00 2.71 0.04 0.03 31.05 09:10:26 1 66.97 0.00 2.39 0.04 0.03 30.57 09:10:26 2 66.93 0.00 2.35 0.07 0.04 30.62 09:10:26 3 64.42 0.00 2.66 0.13 0.03 32.76 09:20:01 all 44.46 0.00 1.85 0.11 0.09 53.49 09:20:01 0 39.88 0.00 1.72 0.08 0.08 58.23 09:20:01 1 47.78 0.00 2.04 0.15 0.10 49.93 09:20:01 2 46.95 0.00 1.78 0.07 0.09 51.11 09:20:01 3 43.25 0.00 1.85 0.13 0.09 54.67 Average: all 55.75 0.00 2.20 0.09 0.06 41.90 Average: 0 53.58 0.00 2.24 0.06 0.06 44.07 Average: 1 57.78 0.00 2.22 0.09 0.06 39.84 Average: 2 57.36 0.00 2.08 0.07 0.06 40.43 Average: 3 54.28 0.00 2.27 0.13 0.06 43.25