---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3517 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 67G 15% / 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 654 9774 4 5559 14991 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:bf:20:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84538sec preferred_lft 84538sec inet6 fe80::f816:3eff:febf:206c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:c3:50:9b:5d:3e 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-3517) 12/04/25 _x86_64_ (4 CPU) 00:39:10 LINUX RESTART (4 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 57.46 3.81 48.04 5.61 779.00 5567.91 117223.94 01:00:29 11.63 0.18 10.53 0.92 5.66 1503.25 20088.24 Average: 34.08 1.96 28.90 3.22 384.43 3494.06 67663.87 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 9486608 12923820 3035552 18.54 144900 3436764 3205140 18.40 824460 5685640 1616 01:00:29 9746440 13646740 2308684 14.10 163308 3847072 2520100 14.47 946348 5266960 20012 Average: 9616524 13285280 2672118 16.32 154104 3641918 2862620 16.43 885404 5476300 10814 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 18.00 18.00 3.87 3.87 0.00 0.00 0.00 0.00 00:50:02 ens3 86.44 67.54 860.45 12.59 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:29 lo 461.48 461.48 408.68 408.68 0.00 0.00 0.00 0.00 01:00:29 ens3 28.92 23.19 257.74 5.06 0.00 0.00 0.00 0.00 01:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 244.27 244.27 210.41 210.41 0.00 0.00 0.00 0.00 Average: ens3 57.09 44.91 552.94 8.75 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-3517) 12/04/25 _x86_64_ (4 CPU) 00:39:10 LINUX RESTART (4 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 32.61 0.00 1.50 0.54 0.08 65.28 00:50:02 0 33.25 0.00 1.50 0.68 0.09 64.49 00:50:02 1 31.71 0.00 1.34 0.64 0.08 66.24 00:50:02 2 31.66 0.00 1.36 0.49 0.08 66.41 00:50:02 3 33.81 0.00 1.81 0.34 0.08 63.96 01:00:29 all 22.13 0.00 1.11 0.05 0.09 76.62 01:00:29 0 22.10 0.00 1.17 0.05 0.10 76.58 01:00:29 1 22.43 0.00 1.05 0.02 0.09 76.41 01:00:29 2 23.05 0.00 1.13 0.03 0.09 75.70 01:00:29 3 20.92 0.00 1.11 0.11 0.09 77.77 Average: all 27.26 0.00 1.30 0.29 0.09 71.06 Average: 0 27.56 0.00 1.33 0.36 0.09 70.66 Average: 1 26.98 0.00 1.19 0.32 0.08 71.43 Average: 2 27.26 0.00 1.24 0.26 0.09 71.15 Average: 3 27.23 0.00 1.45 0.22 0.09 71.01