---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10847 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 611 10689 4 4688 15035 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:dd:31:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84755sec preferred_lft 84755sec inet6 fe80::f816:3eff:fedd:3170/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:ed:4e:41:5e:d5 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-10847) 12/05/25 _x86_64_ (4 CPU) 20:09:24 LINUX RESTART (4 CPU) 20:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 20.91 3.03 16.92 0.96 163.47 3783.15 1292.91 20:30:15 3.05 0.07 2.89 0.09 6.71 362.69 35.96 Average: 11.83 1.52 9.79 0.52 83.73 2043.24 653.52 20:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 10350420 13169384 2794092 17.07 109064 2884500 3105928 17.83 480952 5214660 10376 20:30:15 10220468 13137864 2825064 17.25 113236 2969980 3010752 17.28 507628 5310972 7004 Average: 10285444 13153624 2809578 17.16 111150 2927240 3058340 17.55 494290 5262816 8690 20:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.49 0.49 0.05 0.05 0.00 0.00 0.00 0.00 20:20:01 ens3 72.79 59.42 777.89 8.97 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:15 lo 0.52 0.52 0.36 0.36 0.00 0.00 0.00 0.00 20:30:15 ens3 5.67 4.83 21.31 1.13 0.00 0.00 0.00 0.00 20:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.50 0.50 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 38.65 31.65 393.03 4.99 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-10847) 12/05/25 _x86_64_ (4 CPU) 20:09:24 LINUX RESTART (4 CPU) 20:10:09 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 46.07 0.00 1.00 0.19 0.08 52.66 20:20:01 0 41.30 0.00 1.09 0.12 0.08 57.41 20:20:01 1 50.72 0.00 1.13 0.53 0.08 47.55 20:20:01 2 49.79 0.00 0.96 0.07 0.08 49.09 20:20:01 3 42.48 0.00 0.80 0.05 0.08 56.59 20:30:15 all 42.83 0.00 0.49 0.02 0.07 56.59 20:30:15 0 61.56 0.00 0.59 0.02 0.07 37.76 20:30:15 1 44.81 0.00 0.62 0.02 0.08 54.46 20:30:15 2 26.02 0.00 0.34 0.02 0.07 73.54 20:30:15 3 38.98 0.00 0.40 0.00 0.07 60.55 Average: all 44.42 0.00 0.74 0.10 0.08 54.66 Average: 0 51.60 0.00 0.84 0.07 0.07 47.42 Average: 1 47.71 0.00 0.87 0.27 0.08 51.07 Average: 2 37.69 0.00 0.65 0.05 0.07 61.55 Average: 3 40.70 0.00 0.60 0.03 0.07 58.60