---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64273 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: 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 635 10406 4 4946 15010 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:26:f7:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84799sec preferred_lft 84799sec inet6 fe80::f816:3eff:fe26:f706/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:98:03:e8:3c:54 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-64273) 10/11/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:16 17.55 0.07 4.02 13.47 7.41 598.60 237761.91 10:20:02 24.07 0.69 21.29 2.09 31.12 6063.14 18457.18 Average: 20.76 0.37 12.52 7.86 19.09 3289.66 129763.13 10:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:16 9582528 12773000 3189096 19.48 116884 3227588 3443276 19.76 507748 5914984 112 10:20:02 10766144 15472192 483260 2.95 138864 4662280 1040652 5.97 868328 4297868 25084 Average: 10174336 14122596 1836178 11.21 127874 3944934 2241964 12.87 688038 5106426 12598 10:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:16 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 10:10:16 ens3 10.96 9.07 45.38 2.34 0.00 0.00 0.00 0.00 10:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 588.18 588.18 558.77 558.77 0.00 0.00 0.00 0.00 10:20:02 ens3 70.60 59.20 527.72 75.05 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 289.97 289.97 275.36 275.36 0.00 0.00 0.00 0.00 Average: ens3 40.33 33.76 282.92 38.15 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-64273) 10/11/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:13 CPU %user %nice %system %iowait %steal %idle 10:10:16 all 50.21 0.00 0.87 0.03 0.03 48.86 10:10:16 0 47.25 0.00 0.95 0.04 0.02 51.74 10:10:16 1 54.94 0.00 1.00 0.03 0.04 43.97 10:10:16 2 45.28 0.00 0.80 0.02 0.02 53.88 10:10:16 3 53.39 0.00 0.74 0.02 0.02 45.83 10:20:02 all 53.54 0.00 1.74 0.15 0.03 44.54 10:20:02 0 45.65 0.00 1.82 0.16 0.03 52.34 10:20:02 1 53.41 0.00 1.99 0.06 0.03 44.51 10:20:02 2 62.89 0.00 1.59 0.17 0.05 35.30 10:20:02 3 52.19 0.00 1.56 0.21 0.03 46.02 Average: all 51.85 0.00 1.30 0.09 0.03 46.73 Average: 0 46.46 0.00 1.38 0.10 0.02 52.03 Average: 1 54.19 0.00 1.49 0.05 0.03 44.24 Average: 2 53.94 0.00 1.19 0.09 0.04 44.74 Average: 3 52.80 0.00 1.14 0.11 0.03 45.92