---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8150 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 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 786 5159 4 2285 7155 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:14:f8:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82419sec preferred_lft 82419sec inet6 fe80::f816:3eff:fe14:f818/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8150) 04/26/26 _x86_64_ (2 CPU) 01:40:25 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.59 0.01 1.55 0.03 0.05 25.52 1.29 02:10:14 1.29 0.00 1.29 0.00 0.00 18.81 0.00 02:20:15 1.57 0.02 1.52 0.03 0.61 139.77 398.92 02:30:01 2.11 0.33 1.74 0.04 41.22 128.11 1.47 02:40:13 1.28 0.00 1.27 0.01 0.00 21.37 0.21 Average: 1.56 0.07 1.47 0.02 8.18 66.20 80.39 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 5198844 7288284 483576 5.95 84076 2170008 634688 6.91 585356 1938328 388 02:10:14 5283796 7374388 397476 4.89 84204 2171032 653320 7.12 604132 1939480 132 02:20:15 5251584 7379012 392800 4.83 84400 2207588 642164 6.99 592292 1976112 132 02:30:01 5147092 7318668 452308 5.56 84692 2250824 689176 7.51 650640 2008264 288 02:40:13 5132968 7306828 464184 5.71 84832 2252920 690824 7.52 652212 2010392 168 Average: 5202857 7333436 438069 5.39 84441 2210474 662034 7.21 616926 1974515 222 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 17.44 15.53 171.22 1.34 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 3.51 2.57 5.00 0.45 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 14.74 13.53 157.10 1.52 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 9.89 8.48 70.20 1.28 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 17.84 17.11 219.06 1.44 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.66 11.43 124.48 1.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8150) 04/26/26 _x86_64_ (2 CPU) 01:40:25 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.94 0.00 0.32 0.01 0.06 98.66 02:00:01 0 1.17 0.00 0.40 0.01 0.07 98.35 02:00:01 1 0.71 0.00 0.25 0.01 0.05 98.98 02:10:14 all 6.31 0.00 0.58 0.01 0.07 93.03 02:10:14 0 7.47 0.00 0.64 0.01 0.07 91.81 02:10:14 1 5.15 0.00 0.53 0.00 0.07 94.25 02:20:15 all 2.51 0.00 0.33 0.03 0.05 97.09 02:20:15 0 1.72 0.00 0.22 0.04 0.04 97.98 02:20:15 1 3.31 0.00 0.43 0.02 0.06 96.19 02:30:01 all 3.04 0.00 0.60 0.62 0.05 95.70 02:30:01 0 2.60 0.00 0.55 0.67 0.04 96.13 02:30:01 1 3.48 0.00 0.65 0.56 0.05 95.26 02:40:13 all 0.97 0.00 0.28 0.01 0.06 98.68 02:40:13 0 0.97 0.00 0.22 0.01 0.05 98.75 02:40:13 1 0.98 0.00 0.34 0.00 0.07 98.61 Average: all 2.75 0.00 0.42 0.13 0.06 96.64 Average: 0 2.77 0.00 0.41 0.15 0.06 96.62 Average: 1 2.72 0.00 0.44 0.12 0.06 96.66