---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15858 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 791 5251 4 2188 7150 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:22:a7:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82830sec preferred_lft 82830sec inet6 fe80::f816:3eff:fe22:a78c/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-15858) 05/17/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 8.43 1.43 6.45 0.54 106.96 752.66 629.74 00:20:09 16.26 1.87 12.64 1.76 130.25 2457.70 334.65 00:30:08 2.07 0.28 1.75 0.04 31.91 81.94 1.68 Average: 8.92 1.19 6.95 0.78 89.71 1097.91 321.89 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 5664280 7398264 389968 4.80 65180 1846664 589376 6.42 527700 1626960 285216 00:20:09 5295368 7390128 381760 4.69 85392 2173516 692572 7.54 613624 1942900 204 00:30:08 5223168 7346432 425104 5.23 85684 2201608 885600 9.65 634828 1962272 396 Average: 5394272 7378275 398944 4.91 78752 2073929 722516 7.87 592051 1844044 95272 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 00:10:08 ens3 28.42 19.02 199.59 5.47 0.00 0.00 0.00 0.00 00:20:09 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:20:09 ens3 78.96 55.77 112.75 12.54 0.00 0.00 0.00 0.00 00:30:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 7.28 5.40 4.60 1.17 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 38.23 26.74 105.61 6.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15858) 05/17/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 4.13 0.00 0.67 0.70 0.04 94.47 00:10:08 0 5.92 0.00 0.90 1.01 0.04 92.12 00:10:08 1 2.34 0.00 0.44 0.39 0.03 96.81 00:20:09 all 8.95 0.00 1.47 1.56 0.05 87.97 00:20:09 0 9.29 0.00 1.57 1.79 0.06 87.28 00:20:09 1 8.61 0.00 1.36 1.33 0.05 88.65 00:30:08 all 2.21 0.00 0.40 0.14 0.05 97.21 00:30:08 0 1.55 0.00 0.35 0.19 0.04 97.87 00:30:08 1 2.86 0.00 0.45 0.09 0.05 96.55 Average: all 5.10 0.00 0.85 0.80 0.05 93.21 Average: 0 5.59 0.00 0.94 1.00 0.05 92.43 Average: 1 4.61 0.00 0.75 0.60 0.04 94.00