---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13606 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: 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 585 10576 4 4827 15061 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:fe:e3:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84786sec preferred_lft 84786sec inet6 fe80::f816:3eff:fefe:e30a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:65:a3:f0:8c:a7 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-13606) 12/14/25 _x86_64_ (4 CPU) 20:09:28 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:18 53.34 4.53 35.55 13.25 640.84 4034.97 235779.61 20:30:17 3.21 0.05 3.08 0.09 3.15 346.48 20.54 Average: 28.66 2.32 19.57 6.77 326.93 2219.27 119724.40 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:18 10503072 13516036 2447792 14.95 110976 3072792 2758988 15.84 622028 4916984 27860 20:30:17 10701956 13812760 2150552 13.13 114512 3158828 2406640 13.81 645736 4677856 31456 Average: 10602514 13664398 2299172 14.04 112744 3115810 2582814 14.83 633882 4797420 29658 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:18 lo 0.51 0.51 0.07 0.07 0.00 0.00 0.00 0.00 20:20:18 ens3 85.01 65.02 863.37 12.35 0.00 0.00 0.00 0.00 20:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:17 lo 0.50 0.50 0.37 0.37 0.00 0.00 0.00 0.00 20:30:17 ens3 4.16 3.16 2.09 0.87 0.00 0.00 0.00 0.00 20:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.50 0.50 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 45.21 34.57 439.40 6.70 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-13606) 12/14/25 _x86_64_ (4 CPU) 20:09:28 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:18 all 46.41 0.00 1.15 0.37 0.08 51.99 20:20:18 0 43.91 0.00 1.17 0.59 0.08 54.25 20:20:18 1 37.99 0.00 1.01 0.19 0.08 60.72 20:20:18 2 48.59 0.00 1.26 0.52 0.08 49.55 20:20:18 3 55.17 0.00 1.16 0.17 0.08 43.41 20:30:17 all 42.98 0.00 0.49 0.02 0.07 56.44 20:30:17 0 29.37 0.00 0.46 0.03 0.07 70.07 20:30:17 1 32.57 0.00 0.50 0.02 0.07 66.84 20:30:17 2 70.40 0.00 0.61 0.01 0.08 28.90 20:30:17 3 39.60 0.00 0.36 0.03 0.07 59.94 Average: all 44.72 0.00 0.82 0.20 0.08 54.18 Average: 0 36.74 0.00 0.82 0.32 0.07 62.05 Average: 1 35.32 0.00 0.76 0.11 0.08 63.73 Average: 2 59.34 0.00 0.94 0.27 0.08 39.37 Average: 3 47.50 0.00 0.77 0.10 0.07 51.56