---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8195 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 761 5209 4 2268 7180 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:a7:ab:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50461sec preferred_lft 50461sec inet6 fe80::f816:3eff:fea7:ab84/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8195) 04/27/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 2.59 0.01 1.79 0.78 0.81 21.32 1176.51 00:20:01 1.91 0.11 1.76 0.04 3.09 24.72 172.73 00:30:08 1.74 0.00 1.71 0.02 0.00 19.23 0.83 00:40:08 23.69 3.16 18.26 2.27 230.07 3241.21 889.79 00:50:01 1.50 0.00 1.49 0.01 0.00 22.23 0.18 Average: 6.30 0.66 5.01 0.63 46.89 667.13 448.59 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6121044 7520028 289060 3.55 54348 1540548 547204 5.96 475496 1309304 260 00:20:01 6135296 7495896 313108 3.85 54524 1501948 544996 5.94 474236 1270664 124 00:30:08 6134808 7495896 313088 3.85 54660 1502276 545132 5.94 474280 1271128 212 00:40:08 5211808 7404664 356756 4.39 104172 2243900 641096 6.98 604192 2016812 312 00:50:01 5173832 7368736 392704 4.83 104244 2245880 664824 7.24 620300 2018756 220 Average: 5755358 7457044 332943 4.09 74390 1806910 588650 6.41 529701 1577333 226 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.31 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 0.29 0.08 0.11 0.06 0.00 0.00 0.00 0.00 00:40:08 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 62.90 45.50 300.00 11.82 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.02 10.16 73.01 1.03 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.34 11.17 74.65 2.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8195) 04/27/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.21 0.00 0.11 0.03 0.02 99.64 00:10:08 0 0.37 0.00 0.09 0.04 0.01 99.49 00:10:08 1 0.05 0.00 0.12 0.02 0.02 99.79 00:20:01 all 0.67 0.00 0.21 0.01 0.02 99.10 00:20:01 0 0.50 0.00 0.21 0.01 0.02 99.26 00:20:01 1 0.83 0.00 0.20 0.02 0.01 98.94 00:30:08 all 0.25 0.00 0.15 0.01 0.02 99.57 00:30:08 0 0.06 0.00 0.15 0.01 0.02 99.76 00:30:08 1 0.44 0.00 0.15 0.00 0.01 99.39 00:40:08 all 10.89 0.00 1.70 0.55 0.04 86.82 00:40:08 0 8.00 0.00 1.46 0.73 0.04 89.77 00:40:08 1 13.79 0.00 1.93 0.37 0.05 83.87 00:50:01 all 0.85 0.00 0.20 0.02 0.04 98.89 00:50:01 0 1.11 0.00 0.27 0.02 0.05 98.54 00:50:01 1 0.59 0.00 0.12 0.01 0.03 99.25 Average: all 2.58 0.00 0.47 0.12 0.03 96.80 Average: 0 2.01 0.00 0.44 0.16 0.03 97.36 Average: 1 3.14 0.00 0.50 0.08 0.02 96.24