---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8380 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 812 5112 4 2306 7129 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:1e:a4:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83472sec preferred_lft 83472sec inet6 fe80::f816:3eff:fe1e:a42e/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-8380) 04/27/26 _x86_64_ (2 CPU) 02:57:39 LINUX RESTART (2 CPU) 03:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:13 22.89 1.24 7.24 14.41 105.47 1121.32 107125.45 03:20:01 1.34 0.01 1.33 0.00 0.07 105.66 0.25 03:30:13 2.16 0.32 1.81 0.03 39.44 132.42 0.99 03:40:13 1.19 0.00 1.19 0.00 0.00 27.32 0.00 Average: 6.90 0.39 2.89 3.61 36.45 346.82 26781.56 03:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:13 5297220 7394244 378068 4.65 83876 2177688 686884 7.48 606252 1946208 1260 03:20:01 5239124 7363864 408152 5.02 84024 2205176 716492 7.80 636264 1973844 2084 03:30:13 5195112 7364820 406376 5.00 84288 2249228 692460 7.54 648180 2006836 124 03:40:13 5188452 7362388 408776 5.03 84420 2253272 692744 7.55 648296 2011012 156 Average: 5229977 7371329 400343 4.92 84152 2221341 697145 7.59 634748 1984475 906 03:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:13 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:13 ens3 84.45 66.08 55.10 11.36 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 15.19 14.57 25.86 1.18 0.00 0.00 0.00 0.00 03:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:13 ens3 13.65 13.46 10.82 1.19 0.00 0.00 0.00 0.00 03:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:13 ens3 25.69 25.48 5.32 1.79 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 34.74 29.89 24.20 3.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8380) 04/27/26 _x86_64_ (2 CPU) 02:57:39 LINUX RESTART (2 CPU) 03:00:13 CPU %user %nice %system %iowait %steal %idle 03:10:13 all 7.35 0.00 1.31 0.17 0.05 91.11 03:10:13 0 7.33 0.00 1.25 0.17 0.04 91.21 03:10:13 1 7.37 0.00 1.37 0.18 0.06 91.02 03:20:01 all 4.13 0.00 0.60 0.01 0.06 95.20 03:20:01 0 4.57 0.00 0.64 0.01 0.06 94.72 03:20:01 1 3.69 0.00 0.56 0.01 0.05 95.68 03:30:13 all 3.49 0.00 0.58 0.02 0.06 95.84 03:30:13 0 3.32 0.00 0.60 0.02 0.07 96.00 03:30:13 1 3.67 0.00 0.56 0.02 0.06 95.69 03:40:13 all 1.54 0.00 0.33 0.01 0.06 98.05 03:40:13 0 1.47 0.00 0.32 0.01 0.06 98.14 03:40:13 1 1.61 0.00 0.35 0.01 0.07 97.97 Average: all 4.13 0.00 0.71 0.05 0.06 95.06 Average: 0 4.17 0.00 0.70 0.05 0.06 95.02 Average: 1 4.09 0.00 0.71 0.05 0.06 95.09