---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15302 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 674 10322 4 4992 14972 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:25:65:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fe25:656e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:b6:a2:6e:47:53 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-15302) 12/20/25 _x86_64_ (4 CPU) 08:57:33 LINUX RESTART (4 CPU) 09:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:12 13.98 2.41 10.64 0.93 723.81 2448.40 8972.92 09:20:01 12.79 0.86 10.69 1.24 27.85 2681.51 2120.65 Average: 13.40 1.65 10.67 1.08 381.47 2563.07 5602.25 09:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:12 10903692 14151032 1810148 11.06 119156 3282912 2391648 13.73 683576 4431788 59848 09:20:01 8721444 13075284 2876612 17.57 163672 4248784 3128216 17.96 946860 6252024 378708 Average: 9812568 13613158 2343380 14.31 141414 3765848 2759932 15.84 815218 5341906 219278 09:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:12 lo 0.64 0.64 0.07 0.07 0.00 0.00 0.00 0.00 09:10:12 ens3 75.09 52.27 766.04 10.21 0.00 0.00 0.00 0.00 09:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 144.08 144.08 136.24 136.24 0.00 0.00 0.00 0.00 09:20:01 ens3 87.76 65.03 355.24 18.70 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 71.20 71.20 67.05 67.05 0.00 0.00 0.00 0.00 Average: ens3 81.32 58.55 563.97 14.38 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-15302) 12/20/25 _x86_64_ (4 CPU) 08:57:33 LINUX RESTART (4 CPU) 09:00:05 CPU %user %nice %system %iowait %steal %idle 09:10:12 all 28.32 0.00 1.03 0.13 0.05 70.48 09:10:12 0 28.21 0.00 0.95 0.09 0.04 70.71 09:10:12 1 29.83 0.00 1.18 0.11 0.06 68.81 09:10:12 2 27.33 0.00 1.04 0.22 0.05 71.36 09:10:12 3 27.89 0.00 0.95 0.07 0.05 71.04 09:20:01 all 72.03 0.00 2.32 0.03 0.10 25.52 09:20:01 0 72.25 0.00 2.23 0.02 0.10 25.40 09:20:01 1 70.58 0.00 2.36 0.03 0.11 26.92 09:20:01 2 72.59 0.00 2.28 0.03 0.10 25.00 09:20:01 3 72.71 0.00 2.39 0.04 0.10 24.76 Average: all 49.80 0.00 1.66 0.08 0.08 48.39 Average: 0 49.85 0.00 1.58 0.06 0.07 48.44 Average: 1 49.84 0.00 1.76 0.07 0.09 48.24 Average: 2 49.57 0.00 1.65 0.13 0.07 48.57 Average: 3 49.91 0.00 1.65 0.06 0.08 48.30