---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62458 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 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 677 10363 4 4948 14968 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:58:f9:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84951sec preferred_lft 84951sec inet6 fe80::f816:3eff:fe58:f9b6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:a4:ae:8d:e0:ef 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-62458) 10/06/26 _x86_64_ (4 CPU) 14:38:23 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:08 20.60 2.90 16.46 1.24 164.48 4608.59 2836.57 15:00:08 27.99 1.00 23.40 3.59 35.47 4602.16 3018.96 Average: 24.28 1.96 19.91 2.41 100.34 4605.39 2927.24 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:08 10180576 13673892 2284444 13.95 137568 3470356 2797264 16.06 580404 5223972 23296 15:00:08 10674424 15379564 570232 3.48 173628 4557244 1140336 6.55 906252 4280416 72 Average: 10427500 14526728 1427338 8.72 155598 4013800 1968800 11.30 743328 4752194 11684 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:08 lo 3.10 3.10 0.32 0.32 0.00 0.00 0.00 0.00 14:50:08 ens3 119.37 93.97 700.68 21.04 0.00 0.00 0.00 0.00 14:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:08 lo 1455.71 1455.71 1381.61 1381.61 0.00 0.00 0.00 0.00 15:00:08 ens3 114.19 95.69 468.53 109.86 0.00 0.00 0.00 0.00 15:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 725.25 725.25 687.01 687.01 0.00 0.00 0.00 0.00 Average: ens3 116.79 94.82 585.27 65.19 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-62458) 10/06/26 _x86_64_ (4 CPU) 14:38:23 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:08 all 69.04 0.00 2.69 0.11 0.05 28.12 14:50:08 0 68.39 0.00 2.83 0.17 0.06 28.56 14:50:08 1 68.60 0.00 2.75 0.09 0.04 28.53 14:50:08 2 68.25 0.00 2.53 0.07 0.04 29.12 14:50:08 3 70.91 0.00 2.67 0.10 0.04 26.27 15:00:08 all 58.59 0.00 2.58 0.12 0.02 38.69 15:00:08 0 57.01 0.00 2.56 0.17 0.02 40.25 15:00:08 1 59.14 0.00 2.21 0.12 0.02 38.51 15:00:08 2 59.46 0.00 2.88 0.08 0.02 37.55 15:00:08 3 58.77 0.00 2.68 0.10 0.03 38.43 Average: all 63.84 0.00 2.64 0.11 0.03 33.37 Average: 0 62.72 0.00 2.69 0.17 0.04 34.38 Average: 1 63.90 0.00 2.48 0.10 0.03 33.49 Average: 2 63.88 0.00 2.70 0.07 0.03 33.31 Average: 3 64.87 0.00 2.67 0.10 0.03 32.32