---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-118 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 662 10506 4 4820 14984 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:b9:17:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84466sec preferred_lft 84466sec inet6 fe80::f816:3eff:feb9:175f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:54:e9:fd:4c:c3 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-118) 07/29/26 _x86_64_ (4 CPU) 01:16:36 LINUX RESTART (4 CPU) 01:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:01 11.32 2.00 8.83 0.49 128.58 2302.87 1642.48 01:40:09 21.89 0.77 18.76 2.36 27.65 3276.49 6589.78 Average: 16.69 1.38 13.87 1.44 77.31 2797.44 4155.57 01:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 10048952 13250632 2710480 16.55 124712 3211088 3118312 17.90 529020 5426292 35632 01:40:09 9264836 13371444 2581144 15.76 163364 3997928 2746084 15.76 759708 5875236 6088 Average: 9656894 13311038 2645812 16.16 144038 3604508 2932198 16.83 644364 5650764 20860 01:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 01:30:01 ens3 81.37 66.49 696.97 13.00 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:09 lo 854.07 854.07 813.52 813.52 0.00 0.00 0.00 0.00 01:40:09 ens3 89.06 66.95 326.47 18.97 0.00 0.00 0.00 0.00 01:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 434.19 434.19 413.28 413.28 0.00 0.00 0.00 0.00 Average: ens3 85.28 66.72 508.77 16.03 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-118) 07/29/26 _x86_64_ (4 CPU) 01:16:36 LINUX RESTART (4 CPU) 01:20:11 CPU %user %nice %system %iowait %steal %idle 01:30:01 all 36.66 0.00 1.13 0.04 0.06 62.11 01:30:01 0 34.03 0.00 0.96 0.05 0.07 64.89 01:30:01 1 37.79 0.00 0.92 0.01 0.06 61.22 01:30:01 2 37.07 0.00 1.25 0.07 0.06 61.55 01:30:01 3 37.76 0.00 1.36 0.02 0.06 60.80 01:40:09 all 69.73 0.00 2.55 0.04 0.11 27.57 01:40:09 0 69.21 0.00 2.44 0.04 0.10 28.22 01:40:09 1 69.33 0.00 2.59 0.06 0.10 27.92 01:40:09 2 71.08 0.00 2.60 0.05 0.10 26.16 01:40:09 3 69.30 0.00 2.55 0.04 0.11 28.00 Average: all 53.45 0.00 1.85 0.04 0.08 44.58 Average: 0 51.87 0.00 1.71 0.05 0.08 46.29 Average: 1 53.79 0.00 1.77 0.04 0.08 44.32 Average: 2 54.34 0.00 1.94 0.06 0.08 43.58 Average: 3 53.78 0.00 1.97 0.03 0.08 44.15