---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8118 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 792 5065 4 2380 7148 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:2d:52:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82792sec preferred_lft 82792sec inet6 fe80::f816:3eff:fe2d:526d/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-8118) 04/26/26 _x86_64_ (2 CPU) 00:16:36 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.73 0.03 1.68 0.02 2.29 26.99 217.79 00:40:01 22.24 3.01 16.99 2.23 226.59 3151.19 603.73 00:50:01 1.20 0.00 1.19 0.01 0.00 22.97 0.96 01:00:01 1.39 0.00 1.37 0.02 0.00 24.98 0.28 01:10:21 1.20 0.00 1.20 0.00 0.00 17.00 0.00 Average: 5.52 0.60 4.46 0.45 45.43 643.80 163.41 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6251552 7527128 293084 3.60 30760 1450136 522920 5.70 458156 1200196 276 00:40:01 5282864 7393584 378328 4.65 84360 2190420 640676 6.98 620308 1948996 192 00:50:01 5273832 7387432 384492 4.73 84528 2193176 647900 7.06 626872 1951912 164 01:00:01 5262908 7379088 392720 4.83 84656 2195652 650356 7.08 629872 1954488 160 01:10:21 5259380 7376532 395308 4.86 84768 2196476 650364 7.08 630084 1955460 148 Average: 5466107 7412753 368786 4.53 73814 2045172 622443 6.78 593058 1802210 188 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.24 0.08 0.13 0.04 0.00 0.00 0.00 0.00 00:40:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 41.56 27.80 296.18 7.63 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 1.35 0.25 0.17 0.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.64 0.19 0.12 0.07 0.00 0.00 0.00 0.00 01:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:21 ens3 0.74 0.34 0.15 0.10 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 9.04 5.69 58.90 1.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8118) 04/26/26 _x86_64_ (2 CPU) 00:16:36 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.29 0.00 0.18 0.02 0.02 99.48 00:30:01 0 0.33 0.00 0.20 0.02 0.02 99.44 00:30:01 1 0.26 0.00 0.17 0.02 0.02 99.53 00:40:01 all 10.85 0.00 1.58 0.74 0.05 86.77 00:40:01 0 11.83 0.00 1.76 0.48 0.06 85.87 00:40:01 1 9.86 0.00 1.41 1.01 0.05 87.67 00:50:01 all 1.14 0.00 0.11 0.01 0.05 98.69 00:50:01 0 0.75 0.00 0.10 0.01 0.04 99.11 00:50:01 1 1.53 0.00 0.13 0.01 0.07 98.26 01:00:01 all 1.22 0.00 0.20 0.01 0.06 98.51 01:00:01 0 1.11 0.00 0.17 0.01 0.05 98.65 01:00:01 1 1.33 0.00 0.23 0.01 0.06 98.37 01:10:21 all 0.87 0.00 0.11 0.01 0.05 98.96 01:10:21 0 0.66 0.00 0.09 0.02 0.04 99.20 01:10:21 1 1.08 0.00 0.13 0.00 0.07 98.72 Average: all 2.86 0.00 0.44 0.16 0.05 96.50 Average: 0 2.92 0.00 0.46 0.11 0.04 96.48 Average: 1 2.80 0.00 0.41 0.21 0.05 96.53