---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53419 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 762 5214 4 2262 7179 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:da:cc:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 63591sec preferred_lft 63591sec inet6 fe80::f816:3eff:feda:cc06/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53419) 03/28/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:04 1.78 0.02 1.75 0.02 0.81 20.64 216.56 00:20:01 1.90 0.11 1.76 0.04 3.07 23.72 474.33 00:30:02 1.77 0.00 1.75 0.02 0.00 19.29 216.29 00:40:04 22.18 3.00 16.99 2.19 224.95 2985.82 507.41 Average: 6.93 0.78 5.58 0.57 57.43 765.33 353.64 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:04 6130112 7519052 290004 3.57 52420 1532764 547612 5.96 472068 1300164 364 00:20:01 6132208 7489268 319724 3.93 52584 1500668 545460 5.94 470960 1268016 240 00:30:02 6141632 7499288 309660 3.81 52724 1501128 545460 5.94 471104 1268480 300 00:40:04 5259220 7441768 319444 3.93 102012 2236104 634836 6.91 558672 2007632 24692 Average: 5915793 7487344 309708 3.81 64935 1692666 568342 6.19 493201 1461073 6399 00:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:04 ens3 0.21 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.21 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.55 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:04 lo 1.30 1.30 0.10 0.10 0.00 0.00 0.00 0.00 00:40:04 ens3 55.79 37.61 296.06 10.86 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.25 9.51 74.39 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53419) 03/28/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:04 all 0.26 0.00 0.10 0.01 0.03 99.60 00:10:04 0 0.40 0.00 0.07 0.01 0.02 99.49 00:10:04 1 0.13 0.00 0.12 0.01 0.04 99.70 00:20:01 all 0.57 0.00 0.20 0.01 0.03 99.18 00:20:01 0 0.38 0.00 0.19 0.01 0.03 99.39 00:20:01 1 0.77 0.00 0.22 0.01 0.03 98.98 00:30:02 all 0.26 0.00 0.16 0.01 0.03 99.54 00:30:02 0 0.25 0.00 0.16 0.01 0.03 99.56 00:30:02 1 0.27 0.00 0.16 0.01 0.03 99.53 00:40:04 all 10.43 0.00 1.60 0.48 0.04 87.45 00:40:04 0 10.32 0.00 1.61 0.48 0.04 87.55 00:40:04 1 10.54 0.00 1.58 0.47 0.05 87.35 Average: all 2.89 0.00 0.52 0.13 0.03 96.43 Average: 0 2.85 0.00 0.51 0.13 0.03 96.49 Average: 1 2.93 0.00 0.52 0.12 0.04 96.38