---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3224 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 68G 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 653 10623 4 4712 14992 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:48:da:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84610sec preferred_lft 84610sec inet6 fe80::f816:3eff:fe48:da1e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:65:fe:03:8d: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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3224) 09/08/26 _x86_64_ (4 CPU) 16:45:07 LINUX RESTART (4 CPU) 16:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:08 17.24 2.89 13.52 0.84 161.73 4337.39 2403.19 17:10:08 24.27 0.77 20.16 3.35 24.01 3926.80 3194.79 Average: 20.76 1.83 16.84 2.10 92.87 4132.09 2798.99 16:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:08 10431408 13847284 2111784 12.90 133936 3403204 2489888 14.29 572124 4988760 13700 17:10:08 10976464 15428716 524296 3.20 162988 4337852 1048492 6.02 870140 4028768 532 Average: 10703936 14638000 1318040 8.05 148462 3870528 1769190 10.16 721132 4508764 7116 16:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:08 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 17:00:08 ens3 94.58 78.80 672.02 15.19 0.00 0.00 0.00 0.00 17:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:08 lo 1634.80 1634.80 1558.55 1558.55 0.00 0.00 0.00 0.00 17:10:08 ens3 66.26 55.55 450.70 29.87 0.00 0.00 0.00 0.00 17:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 818.07 818.07 779.34 779.34 0.00 0.00 0.00 0.00 Average: ens3 80.42 67.18 561.36 22.53 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3224) 09/08/26 _x86_64_ (4 CPU) 16:45:07 LINUX RESTART (4 CPU) 16:50:08 CPU %user %nice %system %iowait %steal %idle 17:00:08 all 62.19 0.00 2.21 0.07 0.03 35.50 17:00:08 0 59.40 0.00 1.97 0.04 0.03 38.56 17:00:08 1 64.75 0.00 2.32 0.08 0.03 32.82 17:00:08 2 60.78 0.00 2.17 0.08 0.03 36.93 17:00:08 3 63.82 0.00 2.39 0.08 0.03 33.68 17:10:08 all 58.99 0.00 2.73 0.08 0.03 38.17 17:10:08 0 60.24 0.00 2.58 0.05 0.02 37.11 17:10:08 1 57.82 0.00 2.59 0.11 0.03 39.44 17:10:08 2 57.35 0.00 2.90 0.08 0.03 39.63 17:10:08 3 60.54 0.00 2.84 0.09 0.03 36.49 Average: all 60.59 0.00 2.47 0.08 0.03 36.83 Average: 0 59.82 0.00 2.27 0.05 0.03 37.84 Average: 1 61.29 0.00 2.46 0.10 0.03 36.13 Average: 2 59.07 0.00 2.54 0.08 0.03 38.28 Average: 3 62.18 0.00 2.61 0.09 0.03 35.09