---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65977 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 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 667 8516 4 6804 14977 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:88:ff:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84546sec preferred_lft 84546sec inet6 fe80::f816:3eff:fe88:ff63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:da:e0:fc:b1:1f 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-65977) 10/20/26 _x86_64_ (4 CPU) 16:17:35 LINUX RESTART (4 CPU) 16:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:07 49.03 14.87 30.32 3.83 314.59 5912.88 36590.75 16:40:01 30.95 0.02 27.77 3.17 0.40 2482.77 27562.03 Average: 40.07 7.51 29.06 3.50 158.95 4213.65 32118.05 16:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:07 9387656 13318056 2637300 16.11 144252 3886244 2710144 15.56 723976 5851636 30864 16:40:01 8770408 13120252 2831400 17.29 167208 4249484 2869760 16.47 838384 6292948 33636 Average: 9079032 13219154 2734350 16.70 155730 4067864 2789952 16.01 781180 6072292 32250 16:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:07 lo 1586.40 1586.40 1507.53 1507.53 0.00 0.00 0.00 0.00 16:30:07 ens3 127.06 92.20 1132.36 14.36 0.00 0.00 0.00 0.00 16:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:01 lo 1481.75 1481.75 1413.31 1413.31 0.00 0.00 0.00 0.00 16:40:01 ens3 22.55 20.25 30.45 6.20 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1534.56 1534.56 1460.86 1460.86 0.00 0.00 0.00 0.00 Average: ens3 75.29 56.56 586.49 10.32 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-65977) 10/20/26 _x86_64_ (4 CPU) 16:17:35 LINUX RESTART (4 CPU) 16:20:01 CPU %user %nice %system %iowait %steal %idle 16:30:07 all 67.68 0.08 3.04 0.19 0.03 28.98 16:30:07 0 66.65 0.04 3.04 0.15 0.03 30.09 16:30:07 1 67.74 0.07 3.09 0.16 0.04 28.90 16:30:07 2 67.71 0.03 2.96 0.15 0.03 29.12 16:30:07 3 68.61 0.16 3.07 0.31 0.03 27.82 16:40:01 all 61.81 0.00 2.76 0.10 0.03 35.29 16:40:01 0 60.25 0.00 2.79 0.12 0.03 36.81 16:40:01 1 65.14 0.00 2.89 0.08 0.04 31.85 16:40:01 2 59.49 0.00 2.73 0.14 0.03 37.61 16:40:01 3 62.36 0.00 2.65 0.06 0.03 34.90 Average: all 64.77 0.04 2.90 0.15 0.03 32.11 Average: 0 63.48 0.02 2.91 0.13 0.03 33.42 Average: 1 66.45 0.04 2.99 0.12 0.04 30.36 Average: 2 63.64 0.01 2.85 0.14 0.03 33.32 Average: 3 65.51 0.08 2.86 0.19 0.03 31.33