---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3252 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 608 10710 4 4669 15038 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:0d:c1:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84783sec preferred_lft 84783sec inet6 fe80::f816:3eff:fe0d:c1de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:0b:23:2d:7d:6d 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-3252) 12/02/25 _x86_64_ (4 CPU) 20:07:40 LINUX RESTART (4 CPU) 20:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:17 10.21 1.77 8.05 0.39 120.62 2104.73 493.54 20:30:17 7.72 0.53 6.86 0.34 19.45 1112.16 177.93 Average: 8.97 1.15 7.46 0.36 70.30 1611.05 336.57 20:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:17 9446496 12301648 3661552 22.36 110540 2916040 3836008 22.02 490212 6103856 580 20:30:17 9287240 12818716 3140800 19.18 128252 3537592 3272440 18.78 597672 6102512 384116 Average: 9366868 12560182 3401176 20.77 119396 3226816 3554224 20.40 543942 6103184 192348 20:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:17 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 20:20:17 ens3 43.20 36.24 516.60 5.32 0.00 0.00 0.00 0.00 20:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:17 lo 86.19 86.19 81.77 81.77 0.00 0.00 0.00 0.00 20:30:17 ens3 32.89 23.07 408.30 3.14 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 43.21 43.21 40.86 40.86 0.00 0.00 0.00 0.00 Average: ens3 38.07 29.69 462.74 4.23 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-3252) 12/02/25 _x86_64_ (4 CPU) 20:07:40 LINUX RESTART (4 CPU) 20:10:11 CPU %user %nice %system %iowait %steal %idle 20:20:17 all 49.90 0.00 0.93 0.36 0.10 48.71 20:20:17 0 52.37 0.00 1.06 0.12 0.10 46.35 20:20:17 1 49.50 0.00 0.81 0.65 0.10 48.94 20:20:17 2 52.38 0.00 0.83 0.63 0.09 46.06 20:20:17 3 45.36 0.00 0.99 0.06 0.09 53.50 20:30:17 all 45.32 0.00 0.76 0.05 0.10 53.78 20:30:17 0 48.21 0.00 0.69 0.02 0.10 50.99 20:30:17 1 32.93 0.00 0.78 0.05 0.09 66.15 20:30:17 2 67.03 0.00 0.85 0.06 0.10 31.95 20:30:17 3 33.12 0.00 0.73 0.05 0.10 65.99 Average: all 47.62 0.00 0.84 0.21 0.10 51.23 Average: 0 50.30 0.00 0.88 0.07 0.10 48.66 Average: 1 41.26 0.00 0.80 0.35 0.09 57.50 Average: 2 59.67 0.00 0.84 0.35 0.10 39.04 Average: 3 39.27 0.00 0.86 0.05 0.10 59.72