---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18235 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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: 5600.00 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 626 10519 4 4843 15020 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:e5:d5:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84813sec preferred_lft 84813sec inet6 fe80::f816:3eff:fee5:d527/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:cf:8c:b7:63:54 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18235) 01/04/26 _x86_64_ (4 CPU) 00:26:28 LINUX RESTART (4 CPU) 00:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 6.25 0.48 5.40 0.37 417.26 899.26 303.68 00:50:05 16.51 0.53 14.72 1.27 19.41 2216.54 11759.22 Average: 11.44 0.51 10.11 0.82 216.17 1565.06 6093.68 00:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 8739000 11770520 4193032 25.61 111108 3090388 4378448 25.13 622400 6676356 956 00:50:05 10157680 13635420 2324284 14.20 131024 3487036 2524328 14.49 800048 5043836 10948 Average: 9448340 12702970 3258658 19.90 121066 3288712 3451388 19.81 711224 5860096 5952 00:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 00:40:01 ens3 21.92 16.77 165.91 3.47 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 455.05 455.05 433.07 433.07 0.00 0.00 0.00 0.00 00:50:05 ens3 38.16 27.07 407.91 4.93 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 230.30 230.30 219.08 219.08 0.00 0.00 0.00 0.00 Average: ens3 30.13 21.97 288.22 4.21 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18235) 01/04/26 _x86_64_ (4 CPU) 00:26:28 LINUX RESTART (4 CPU) 00:30:10 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 47.03 0.00 0.69 0.06 0.08 52.14 00:40:01 0 49.89 0.00 0.84 0.03 0.08 49.15 00:40:01 1 38.32 0.00 0.57 0.12 0.08 60.91 00:40:01 2 44.21 0.00 0.65 0.01 0.08 55.05 00:40:01 3 55.70 0.00 0.72 0.06 0.08 43.44 00:50:05 all 54.08 0.00 1.18 0.12 0.08 44.53 00:50:05 0 42.00 0.00 1.17 0.23 0.08 56.52 00:50:05 1 50.30 0.00 1.17 0.06 0.08 48.39 00:50:05 2 75.62 0.00 1.15 0.03 0.09 23.12 00:50:05 3 48.43 0.00 1.25 0.15 0.09 50.08 Average: all 50.59 0.00 0.94 0.09 0.08 48.29 Average: 0 45.90 0.00 1.00 0.13 0.08 52.88 Average: 1 44.37 0.00 0.88 0.09 0.08 54.58 Average: 2 60.08 0.00 0.90 0.02 0.09 38.92 Average: 3 52.03 0.00 0.99 0.10 0.08 46.79