---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64278 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 11G 67G 15% / 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 631 9889 4 5468 15014 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:27:66:c4 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 84931sec preferred_lft 84931sec inet6 fe80::f816:3eff:fe27:66c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:77:6f:c3:4a:53 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-64278) 10/11/26 _x86_64_ (4 CPU) 17:09:23 LINUX RESTART (4 CPU) 17:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 27.78 3.35 22.81 1.63 385.38 5807.63 52004.94 17:30:10 11.80 0.52 10.54 0.74 20.13 1978.54 4133.22 Average: 19.66 1.91 16.57 1.18 199.73 3861.34 27672.17 17:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9004396 12581792 3377444 20.63 124592 3601296 3642824 20.91 611180 6379848 664 17:30:10 9498092 13572400 2382728 14.55 143992 4046944 2534516 14.55 794972 5670276 11320 Average: 9251244 13077096 2880086 17.59 134292 3824120 3088670 17.73 703076 6025062 5992 17:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.92 0.92 0.09 0.09 0.00 0.00 0.00 0.00 17:20:01 ens3 135.53 96.29 1388.85 11.49 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:10 lo 240.17 240.17 229.01 229.01 0.00 0.00 0.00 0.00 17:30:10 ens3 52.72 39.12 472.23 4.38 0.00 0.00 0.00 0.00 17:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 122.53 122.53 116.45 116.45 0.00 0.00 0.00 0.00 Average: ens3 93.44 67.23 922.94 7.88 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-64278) 10/11/26 _x86_64_ (4 CPU) 17:09:23 LINUX RESTART (4 CPU) 17:10:12 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 49.65 0.00 1.68 0.34 0.04 48.30 17:20:01 0 53.41 0.00 1.69 0.09 0.04 44.76 17:20:01 1 54.51 0.00 1.85 0.31 0.05 43.28 17:20:01 2 45.57 0.00 1.53 0.69 0.03 52.17 17:20:01 3 45.10 0.00 1.65 0.26 0.02 52.97 17:30:10 all 54.38 0.00 1.11 0.06 0.05 44.40 17:30:10 0 60.12 0.00 1.22 0.08 0.05 38.53 17:30:10 1 44.94 0.00 1.13 0.06 0.04 53.83 17:30:10 2 59.99 0.00 0.97 0.04 0.05 38.95 17:30:10 3 52.47 0.00 1.13 0.05 0.05 46.31 Average: all 52.05 0.00 1.39 0.20 0.04 46.32 Average: 0 56.82 0.00 1.45 0.09 0.05 41.59 Average: 1 49.64 0.00 1.49 0.18 0.05 48.65 Average: 2 52.90 0.00 1.24 0.36 0.04 45.45 Average: 3 48.84 0.00 1.38 0.15 0.04 49.58