---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37874 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: 5599.94 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 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 751 5204 4 2279 7190 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:c7:eb:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84151sec preferred_lft 84151sec inet6 fe80::f816:3eff:fec7:eb5f/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-37874) 07/23/26 _x86_64_ (2 CPU) 00:39:15 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 23.37 1.58 19.43 2.36 131.29 3529.03 1167.15 01:00:04 15.52 0.26 1.83 13.43 32.01 79.77 105741.50 01:10:04 1.22 0.00 1.22 0.00 0.00 14.76 0.00 Average: 13.36 0.61 7.46 5.28 54.28 1202.20 35838.90 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5218896 7405432 361412 4.44 86244 2260404 623352 6.79 573364 2032428 124 01:00:04 5172052 7385992 380352 4.68 86560 2287364 623352 6.79 582644 2050608 244 01:10:04 5178588 7393024 373324 4.59 86704 2287716 623488 6.79 582696 2051104 244 Average: 5189845 7394816 371696 4.57 86503 2278495 623397 6.79 579568 2044713 204 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:50:00 ens3 51.13 35.37 275.98 7.16 0.00 0.00 0.00 0.00 01:00:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.84 0.39 3.25 0.06 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.44 0.18 0.11 0.05 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.39 11.92 92.67 2.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37874) 07/23/26 _x86_64_ (2 CPU) 00:39:15 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 11.13 0.00 1.66 0.63 0.06 86.52 00:50:00 0 9.87 0.00 1.52 0.76 0.05 87.81 00:50:00 1 12.38 0.00 1.81 0.49 0.08 85.24 01:00:04 all 0.55 0.00 0.27 0.04 0.06 99.08 01:00:04 0 0.39 0.00 0.27 0.04 0.07 99.23 01:00:04 1 0.71 0.00 0.27 0.05 0.06 98.92 01:10:04 all 0.37 0.00 0.12 0.01 0.06 99.44 01:10:04 0 0.29 0.00 0.18 0.01 0.10 99.43 01:10:04 1 0.45 0.00 0.07 0.00 0.03 99.44 Average: all 4.00 0.00 0.68 0.22 0.06 95.04 Average: 0 3.50 0.00 0.65 0.27 0.07 95.51 Average: 1 4.49 0.00 0.71 0.18 0.06 94.56