---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47 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 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 718 10114 4 5156 14928 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:cf:f4:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84516sec preferred_lft 84516sec inet6 fe80::f816:3eff:fecf:f46f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:1d:0e:ff:7e:77 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-47) 07/28/26 _x86_64_ (4 CPU) 19:40:14 LINUX RESTART (4 CPU) 19:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:01 10.65 0.47 9.08 1.10 17.71 2128.27 2796.80 20:10:02 28.66 0.56 23.90 4.20 22.00 3645.42 3211.93 Average: 19.68 0.51 16.51 2.66 19.86 2888.55 3004.83 19:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:01 9231644 13243544 2710304 16.55 155020 3937408 3004596 17.25 720964 5991204 26612 20:10:02 10418480 15339124 608500 3.72 178720 4764448 1118952 6.42 963400 4465604 304 Average: 9825062 14291334 1659402 10.13 166870 4350928 2061774 11.83 842182 5228404 13458 19:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 20:00:01 ens3 65.81 52.20 102.44 17.24 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:02 lo 1728.41 1728.41 1636.37 1636.37 0.00 0.00 0.00 0.00 20:10:02 ens3 99.46 89.00 409.78 147.48 0.00 0.00 0.00 0.00 20:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 866.86 866.86 820.10 820.10 0.00 0.00 0.00 0.00 Average: ens3 82.67 70.64 256.45 82.51 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-47) 07/28/26 _x86_64_ (4 CPU) 19:40:14 LINUX RESTART (4 CPU) 19:50:02 CPU %user %nice %system %iowait %steal %idle 20:00:01 all 72.03 0.00 2.42 0.03 0.10 25.42 20:00:01 0 71.58 0.00 2.41 0.03 0.10 25.88 20:00:01 1 71.42 0.00 2.12 0.05 0.09 26.31 20:00:01 2 73.78 0.00 2.81 0.03 0.10 23.28 20:00:01 3 71.34 0.00 2.33 0.02 0.10 26.20 20:10:02 all 42.25 0.00 1.94 0.06 0.07 55.68 20:10:02 0 45.66 0.00 2.21 0.09 0.08 51.96 20:10:02 1 41.07 0.00 1.86 0.05 0.07 56.95 20:10:02 2 38.71 0.00 1.97 0.07 0.08 59.18 20:10:02 3 43.55 0.00 1.73 0.04 0.07 54.61 Average: all 57.10 0.00 2.18 0.05 0.09 40.59 Average: 0 58.58 0.00 2.31 0.06 0.09 38.96 Average: 1 56.21 0.00 1.99 0.05 0.08 41.67 Average: 2 56.19 0.00 2.39 0.05 0.09 41.29 Average: 3 57.42 0.00 2.03 0.03 0.09 40.44