---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25516 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 772 5187 4 2273 7169 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:3d:e8:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83966sec preferred_lft 83966sec inet6 fe80::f816:3eff:fe3d:e8b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25516) 06/07/26 _x86_64_ (2 CPU) 00:17:06 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:12 1.36 0.02 1.32 0.02 1.22 16.91 429.05 00:40:22 23.07 2.96 17.86 2.25 223.92 3410.44 631.76 00:50:01 1.97 0.27 1.67 0.03 33.14 83.25 1.31 Average: 8.91 1.10 7.04 0.78 86.96 1188.07 359.95 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:12 6288572 7540684 279616 3.44 30664 1427084 523132 5.70 448260 1187492 164 00:40:22 5207212 7385728 381772 4.69 85892 2253136 648632 7.06 609176 2023216 644 00:50:01 5111848 7318544 448852 5.52 86204 2280980 686624 7.48 648828 2042296 368 Average: 5535877 7414985 370080 4.55 67587 1987067 619463 6.75 568755 1751001 392 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 1.45 0.09 0.17 0.06 0.00 0.00 0.00 0.00 00:40:22 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:22 ens3 63.12 44.96 312.20 11.81 0.00 0.00 0.00 0.00 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 11.53 10.59 77.65 1.05 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 25.59 18.68 130.85 4.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25516) 06/07/26 _x86_64_ (2 CPU) 00:17:06 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:12 all 0.28 0.00 0.16 0.01 0.02 99.52 00:30:12 0 0.06 0.00 0.16 0.01 0.02 99.75 00:30:12 1 0.50 0.00 0.16 0.01 0.02 99.30 00:40:22 all 11.63 0.00 1.71 0.50 0.04 86.11 00:40:22 0 10.16 0.00 1.70 0.46 0.04 87.63 00:40:22 1 13.11 0.00 1.72 0.55 0.05 84.58 00:50:01 all 0.95 0.00 0.22 0.03 0.04 98.76 00:50:01 0 1.02 0.00 0.19 0.03 0.04 98.72 00:50:01 1 0.89 0.00 0.25 0.03 0.05 98.79 Average: all 4.34 0.00 0.71 0.18 0.04 94.73 Average: 0 3.79 0.00 0.69 0.17 0.03 95.31 Average: 1 4.90 0.00 0.72 0.20 0.04 94.15