---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31247 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 8.0G 30G 22% / 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 744 5180 4 2308 7197 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:2d:a3:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84932sec preferred_lft 84932sec inet6 fe80::f816:3eff:fe2d:a3c9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31247) 06/28/26 _x86_64_ (2 CPU) 00:16:32 LINUX RESTART (2 CPU) 00:20:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:20 1.97 0.28 1.67 0.03 32.16 69.86 436.16 00:40:20 26.84 3.05 20.63 3.15 229.52 3750.20 2640.78 Average: 14.40 1.66 11.15 1.59 130.79 1909.11 1537.92 00:20:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:20 6248108 7521636 298632 3.67 30772 1448112 725988 7.91 459520 1200828 2484 00:40:20 5302508 7359788 417204 5.13 87892 2138228 659208 7.18 642320 1902024 23920 Average: 5775308 7440712 357918 4.40 59332 1793170 692598 7.54 550920 1551426 13202 00:20:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:20 ens3 1.37 0.29 3.30 0.09 0.00 0.00 0.00 0.00 00:40:20 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 00:40:20 ens3 77.84 54.40 366.40 17.72 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 39.58 27.33 184.76 8.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31247) 06/28/26 _x86_64_ (2 CPU) 00:16:32 LINUX RESTART (2 CPU) 00:20:19 CPU %user %nice %system %iowait %steal %idle 00:30:20 all 0.37 0.00 0.20 0.02 0.02 99.39 00:30:20 0 0.33 0.00 0.23 0.03 0.03 99.39 00:30:20 1 0.40 0.00 0.17 0.01 0.02 99.39 00:40:20 all 15.01 0.00 1.96 0.57 0.06 82.40 00:40:20 0 17.29 0.00 2.12 0.77 0.06 79.76 00:40:20 1 12.72 0.00 1.79 0.38 0.06 85.05 Average: all 7.68 0.00 1.08 0.30 0.04 90.91 Average: 0 8.80 0.00 1.17 0.40 0.04 89.58 Average: 1 6.55 0.00 0.98 0.20 0.04 92.24