---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3314 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 12G 66G 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 638 9178 4 6172 15008 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:4c:ac:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84636sec preferred_lft 84636sec inet6 fe80::f816:3eff:fe4c:ac20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:09:20:34:c2:81 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-3314) 12/03/25 _x86_64_ (4 CPU) 01:08:59 LINUX RESTART (4 CPU) 01:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:09 6.74 0.57 5.64 0.53 608.61 908.14 32579.22 01:30:09 42.13 4.67 36.09 1.36 270.69 4315.19 1814.41 Average: 24.44 2.62 20.87 0.95 439.65 2611.68 17196.69 01:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:09 13382680 15510820 501692 3.06 60192 2291140 1137992 6.53 389004 2335816 12 01:30:09 9731844 13258640 2701196 16.50 119020 3559920 2994252 17.19 764136 5523164 181772 Average: 11557262 14384730 1601444 9.78 89606 2925530 2066122 11.86 576570 3929490 90892 01:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:09 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 01:20:09 ens3 19.24 12.00 273.38 0.87 0.00 0.00 0.00 0.00 01:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:09 lo 364.69 364.69 347.14 347.14 0.00 0.00 0.00 0.00 01:30:09 ens3 100.57 74.29 1006.02 15.09 0.00 0.00 0.00 0.00 01:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 182.43 182.43 173.58 173.58 0.00 0.00 0.00 0.00 Average: ens3 59.90 43.15 639.70 7.98 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-3314) 12/03/25 _x86_64_ (4 CPU) 01:08:59 LINUX RESTART (4 CPU) 01:10:09 CPU %user %nice %system %iowait %steal %idle 01:20:09 all 0.55 0.00 0.17 0.15 0.02 99.12 01:20:09 0 0.53 0.00 0.15 0.09 0.02 99.21 01:20:09 1 0.45 0.00 0.19 0.31 0.02 99.03 01:20:09 2 0.35 0.00 0.15 0.08 0.03 99.40 01:20:09 3 0.85 0.00 0.17 0.11 0.02 98.84 01:30:09 all 27.69 0.00 1.17 0.35 0.05 70.73 01:30:09 0 29.58 0.00 1.19 0.19 0.05 69.00 01:30:09 1 26.07 0.00 1.08 0.40 0.06 72.39 01:30:09 2 29.65 0.00 1.50 0.67 0.05 68.13 01:30:09 3 25.48 0.00 0.91 0.14 0.06 73.41 Average: all 14.11 0.00 0.67 0.25 0.04 84.94 Average: 0 15.05 0.00 0.67 0.14 0.03 84.12 Average: 1 13.25 0.00 0.63 0.36 0.04 85.71 Average: 2 14.99 0.00 0.83 0.37 0.04 83.78 Average: 3 13.15 0.00 0.54 0.12 0.04 86.15