---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30354 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 8.1G 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 766 5025 4 2451 7175 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:a9:ce:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82065sec preferred_lft 82065sec inet6 fe80::f816:3eff:fea9:ce25/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30354) 06/25/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:17 1.41 0.02 1.38 0.01 1.21 17.63 424.91 02:10:02 1.18 0.01 1.17 0.00 0.05 14.16 0.12 02:20:17 1.71 0.25 1.46 0.01 30.25 72.41 0.29 02:30:17 14.05 0.01 1.47 12.57 1.20 18.23 109563.86 02:40:17 1.25 0.00 1.23 0.02 0.00 14.84 1.20 02:50:17 1.26 0.00 1.24 0.02 0.00 14.97 1.20 03:00:02 27.54 3.09 21.39 3.07 233.52 3708.39 1692.52 Average: 6.83 0.47 4.12 2.23 37.32 538.69 15946.67 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:17 6291832 7538324 282128 3.47 30592 1421540 530584 5.78 446248 1183212 132 02:10:02 6291580 7538560 281860 3.47 30748 1421872 530584 5.78 446328 1183700 180 02:20:17 6236576 7510564 309344 3.80 31096 1448176 736932 8.03 460832 1201588 136 02:30:17 6238040 7512980 306928 3.77 31324 1448856 530736 5.78 455676 1202156 132 02:40:17 6246104 7521584 298304 3.67 31528 1449188 530736 5.78 456000 1202692 132 02:50:17 6245880 7522012 297864 3.66 31712 1449644 530860 5.78 456284 1203204 132 03:00:02 5229940 7424572 342180 4.21 88520 2266028 570216 6.21 541408 2030676 24948 Average: 6111422 7509799 302658 3.72 39360 1557901 565807 6.16 466111 1315318 3685 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:17 ens3 1.71 0.10 0.30 0.04 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.42 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.97 0.23 9.78 0.03 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 0.30 0.06 0.23 0.02 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 0.34 0.08 0.11 0.05 0.00 0.00 0.00 0.00 03:00:02 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 03:00:02 ens3 114.07 78.90 333.88 20.25 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.48 11.07 48.06 2.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30354) 06/25/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:17 all 0.32 0.00 0.17 0.02 0.02 99.48 02:00:17 0 0.24 0.00 0.17 0.01 0.02 99.56 02:00:17 1 0.39 0.00 0.16 0.02 0.02 99.39 02:10:02 all 0.25 0.00 0.07 0.01 0.02 99.64 02:10:02 0 0.06 0.00 0.09 0.01 0.03 99.81 02:10:02 1 0.43 0.00 0.05 0.01 0.02 99.48 02:20:17 all 0.37 0.00 0.10 0.02 0.02 99.49 02:20:17 0 0.26 0.00 0.15 0.03 0.02 99.55 02:20:17 1 0.49 0.00 0.06 0.01 0.02 99.43 02:30:17 all 0.29 0.00 0.18 0.03 0.02 99.47 02:30:17 0 0.08 0.00 0.21 0.06 0.03 99.63 02:30:17 1 0.50 0.00 0.16 0.01 0.02 99.31 02:40:17 all 0.24 0.00 0.08 0.01 0.02 99.65 02:40:17 0 0.06 0.00 0.09 0.01 0.03 99.81 02:40:17 1 0.41 0.00 0.07 0.01 0.02 99.49 02:50:17 all 0.25 0.00 0.07 0.01 0.02 99.64 02:50:17 0 0.05 0.00 0.09 0.01 0.03 99.82 02:50:17 1 0.45 0.00 0.06 0.01 0.02 99.46 03:00:02 all 14.50 0.00 2.11 0.58 0.05 82.77 03:00:02 0 13.52 0.00 2.21 0.61 0.04 83.62 03:00:02 1 15.47 0.00 2.01 0.55 0.05 81.92 Average: all 2.26 0.00 0.39 0.09 0.03 97.22 Average: 0 1.99 0.00 0.42 0.10 0.03 97.46 Average: 1 2.54 0.00 0.36 0.09 0.02 96.99