---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35941 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 nrip_save 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 712 10242 4 5033 14934 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:b2:d8:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84145sec preferred_lft 84145sec inet6 fe80::f816:3eff:feb2:d87c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:d5:64:b4:f3:4c 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35941) 08/11/26 _x86_64_ (4 CPU) 14:40:16 LINUX RESTART (4 CPU) 14:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 24.37 1.90 8.49 13.98 124.97 2512.29 242071.22 15:10:05 28.89 0.82 24.76 3.31 28.47 3560.51 3320.30 Average: 26.65 1.36 16.68 8.61 76.41 3039.79 121923.80 14:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 10816444 14196568 1763188 10.77 132716 3375512 2068432 11.87 573116 4601452 21444 15:10:05 9048740 13382172 2568880 15.69 174612 4201480 2671600 15.33 819100 6015880 8616 Average: 9932592 13789370 2166034 13.23 153664 3788496 2370016 13.60 696108 5308666 15030 14:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 15:00:01 ens3 91.54 73.81 661.86 16.11 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:05 lo 1542.80 1542.80 1470.61 1470.61 0.00 0.00 0.00 0.00 15:10:05 ens3 89.92 69.32 379.93 18.64 0.00 0.00 0.00 0.00 15:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 776.81 776.81 740.10 740.10 0.00 0.00 0.00 0.00 Average: ens3 90.72 71.55 519.98 17.38 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35941) 08/11/26 _x86_64_ (4 CPU) 14:40:16 LINUX RESTART (4 CPU) 14:50:05 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 43.66 0.00 1.46 0.04 0.08 54.75 15:00:01 0 44.00 0.00 1.61 0.05 0.08 54.26 15:00:01 1 44.46 0.00 1.42 0.09 0.08 53.95 15:00:01 2 43.00 0.00 1.46 0.02 0.09 55.43 15:00:01 3 43.19 0.00 1.36 0.02 0.09 55.35 15:10:05 all 70.09 0.00 2.77 0.06 0.12 26.96 15:10:05 0 70.31 0.00 2.63 0.08 0.12 26.86 15:10:05 1 67.44 0.00 2.77 0.05 0.12 29.62 15:10:05 2 69.85 0.00 2.91 0.04 0.12 27.08 15:10:05 3 72.77 0.00 2.76 0.07 0.12 24.28 Average: all 56.96 0.00 2.12 0.05 0.10 40.77 Average: 0 57.24 0.00 2.12 0.07 0.10 40.47 Average: 1 56.02 0.00 2.10 0.07 0.10 41.71 Average: 2 56.49 0.00 2.19 0.03 0.11 41.19 Average: 3 58.07 0.00 2.07 0.04 0.11 39.71