---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1597 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 8.0G 30G 22% / 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 771 5173 4 2289 7170 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:0d:3f:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82465sec preferred_lft 82465sec inet6 fe80::f816:3eff:fe0d:3f6c/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-1597) 08/03/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:02 2.35 0.01 1.59 0.74 0.81 19.48 1165.76 00:20:02 1.59 0.11 1.46 0.02 3.48 18.45 349.78 00:30:01 1.49 0.00 1.47 0.02 0.00 17.84 654.58 00:40:02 24.22 2.84 19.06 2.32 224.94 3485.13 574.07 00:50:02 4.68 0.05 3.65 0.97 1.76 199.19 2846.30 Average: 6.87 0.60 5.45 0.81 46.25 748.77 1118.08 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:02 6255432 7530512 289040 3.55 31032 1449304 730420 7.96 462396 1202012 244 00:20:02 6242712 7518736 300776 3.70 31348 1449852 729176 7.94 462568 1202668 224 00:30:01 6250584 7527236 292264 3.59 31516 1450304 729268 7.94 463176 1203160 148 00:40:02 5249696 7457968 308012 3.79 87456 2280212 759096 8.27 549816 2043440 636 00:50:02 5320400 7355564 420172 5.17 89384 2114060 863176 9.40 659508 1879044 23788 Average: 5863765 7478003 322053 3.96 54147 1748746 762227 8.30 519493 1506065 5008 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:02 ens3 0.51 0.11 0.13 0.06 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.35 0.11 0.08 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.49 0.10 0.15 0.08 0.00 0.00 0.00 0.00 00:40:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 105.49 71.26 324.07 17.20 0.00 0.00 0.00 0.00 00:50:02 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 27.46 17.11 14.73 6.04 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 26.88 17.75 67.90 4.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1597) 08/03/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:02 all 0.31 0.00 0.11 0.03 0.01 99.53 00:10:02 0 0.44 0.00 0.10 0.02 0.01 99.44 00:10:02 1 0.19 0.00 0.13 0.04 0.01 99.63 00:20:02 all 0.51 0.00 0.21 0.02 0.01 99.26 00:20:02 0 0.73 0.00 0.18 0.02 0.01 99.07 00:20:02 1 0.28 0.00 0.23 0.02 0.02 99.45 00:30:01 all 0.30 0.00 0.18 0.01 0.01 99.50 00:30:01 0 0.39 0.00 0.18 0.01 0.01 99.41 00:30:01 1 0.22 0.00 0.18 0.01 0.01 99.59 00:40:02 all 12.64 0.00 1.88 0.66 0.05 84.78 00:40:02 0 14.50 0.00 2.13 0.67 0.05 82.65 00:40:02 1 10.77 0.00 1.63 0.64 0.05 86.91 00:50:02 all 7.87 0.00 0.75 0.07 0.04 91.26 00:50:02 0 5.77 0.00 0.65 0.08 0.04 93.47 00:50:02 1 9.98 0.00 0.86 0.05 0.05 89.06 Average: all 4.33 0.00 0.63 0.15 0.03 94.87 Average: 0 4.36 0.00 0.65 0.16 0.02 94.81 Average: 1 4.29 0.00 0.60 0.15 0.03 94.93