---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3218 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 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 669 10385 4 4933 14976 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:fa:6a:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84623sec preferred_lft 84623sec inet6 fe80::f816:3eff:fefa:6ad5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:22:d9:60:7a:85 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-3218) 09/08/26 _x86_64_ (4 CPU) 16:45:22 LINUX RESTART (4 CPU) 16:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:23 17.95 2.15 14.49 1.30 156.54 4386.51 7576.15 17:10:23 23.99 0.78 19.83 3.38 24.12 3929.57 5588.03 Average: 20.96 1.47 17.16 2.34 90.44 4158.43 6583.80 16:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:23 10237860 13897896 2059360 12.58 140948 3632820 2680672 15.39 597968 5136536 33980 17:10:23 10746768 15426232 524908 3.21 175316 4546220 1070028 6.14 899092 4221252 8 Average: 10492314 14662064 1292134 7.89 158132 4089520 1875350 10.76 748530 4678894 16994 16:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:23 lo 1.27 1.27 0.13 0.13 0.00 0.00 0.00 0.00 17:00:23 ens3 92.42 72.15 784.42 13.42 0.00 0.00 0.00 0.00 17:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:23 lo 1836.00 1836.00 1750.71 1750.71 0.00 0.00 0.00 0.00 17:10:23 ens3 68.12 55.52 450.38 29.37 0.00 0.00 0.00 0.00 17:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 917.06 917.06 873.91 873.91 0.00 0.00 0.00 0.00 Average: ens3 80.29 63.85 617.69 21.38 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-3218) 09/08/26 _x86_64_ (4 CPU) 16:45:22 LINUX RESTART (4 CPU) 16:50:21 CPU %user %nice %system %iowait %steal %idle 17:00:23 all 63.97 0.00 2.24 0.17 0.03 33.59 17:00:23 0 64.88 0.00 2.12 0.14 0.03 32.82 17:00:23 1 63.27 0.00 2.12 0.17 0.03 34.41 17:00:23 2 64.33 0.00 2.47 0.19 0.04 32.97 17:00:23 3 63.40 0.00 2.24 0.17 0.03 34.15 17:10:23 all 60.52 0.00 2.75 0.09 0.03 36.61 17:10:23 0 60.07 0.00 2.64 0.09 0.03 37.18 17:10:23 1 61.33 0.00 2.97 0.06 0.03 35.61 17:10:23 2 58.61 0.00 2.87 0.06 0.03 38.43 17:10:23 3 62.05 0.00 2.54 0.16 0.03 35.22 Average: all 62.25 0.00 2.49 0.13 0.03 35.10 Average: 0 62.48 0.00 2.38 0.12 0.03 35.00 Average: 1 62.30 0.00 2.54 0.12 0.03 35.01 Average: 2 61.48 0.00 2.67 0.12 0.03 35.70 Average: 3 62.73 0.00 2.39 0.17 0.03 34.69