---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54155 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 764 5131 4 2343 7177 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:af:2c:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51966sec preferred_lft 51966sec inet6 fe80::f816:3eff:feaf:2c2a/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-54155) 03/31/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:07 1.67 0.01 1.65 0.01 0.81 19.90 431.80 00:20:04 1.64 0.11 1.50 0.03 3.07 22.01 363.95 00:30:07 22.56 2.98 17.52 2.06 224.12 3077.24 1537.07 Average: 8.66 1.04 6.91 0.70 76.36 1044.67 779.53 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:07 6111192 7508816 299964 3.69 54020 1539540 591668 6.44 477628 1308364 228 00:20:04 6139808 7499336 309312 3.80 54156 1501260 589508 6.42 476504 1269876 260 00:30:07 5188764 7372664 388536 4.78 103160 2236148 684576 7.46 620132 2008768 2940 Average: 5813255 7460272 332604 4.09 70445 1758983 621917 6.77 524755 1529003 1143 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:07 ens3 0.18 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:04 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:04 ens3 0.12 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:07 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 00:30:07 ens3 37.08 26.02 291.59 7.95 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 12.52 8.76 97.70 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54155) 03/31/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:07 all 0.23 0.00 0.10 0.01 0.03 99.63 00:10:07 0 0.35 0.00 0.08 0.01 0.02 99.53 00:10:07 1 0.11 0.00 0.11 0.01 0.03 99.73 00:20:04 all 0.62 0.00 0.21 0.06 0.03 99.08 00:20:04 0 0.52 0.00 0.24 0.01 0.04 99.19 00:20:04 1 0.73 0.00 0.19 0.11 0.02 98.96 00:30:07 all 9.61 0.00 1.56 0.51 0.05 88.27 00:30:07 0 7.17 0.00 1.29 0.23 0.05 91.26 00:30:07 1 12.06 0.00 1.83 0.79 0.04 85.28 Average: all 3.50 0.00 0.62 0.19 0.04 95.64 Average: 0 2.69 0.00 0.54 0.08 0.04 96.65 Average: 1 4.31 0.00 0.71 0.30 0.03 94.64