---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4521 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 8.2G 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 772 4923 4 2537 7169 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:b2:e0:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82439sec preferred_lft 82439sec inet6 fe80::f816:3eff:feb2:e093/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4521) 04/19/26 _x86_64_ (2 CPU) 02:02:43 LINUX RESTART (2 CPU) 02:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:22 14.79 0.01 1.33 13.44 0.21 17.04 106861.81 02:30:01 1.40 0.00 1.38 0.02 0.00 18.26 0.23 02:40:12 1.39 0.00 1.38 0.01 0.00 209.88 1.66 02:50:22 1.45 0.00 1.43 0.02 0.00 366.29 2.96 03:00:01 2.05 0.33 1.69 0.04 40.41 78.78 2.90 Average: 4.23 0.07 1.44 2.72 7.90 140.34 21522.70 02:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:22 5077740 7161116 610888 7.51 84056 2163812 864032 9.41 816116 1933464 172 02:30:01 5091736 7175768 596188 7.33 84196 2164328 850360 9.26 785032 1934120 128 02:40:12 5044060 7208588 562696 6.92 84360 2244052 840684 9.16 776620 2013992 20392 02:50:22 4784600 7037500 732292 9.00 84544 2331008 999312 10.88 935424 2101148 136 03:00:01 4793580 7075472 693492 8.53 84812 2359380 1154308 12.57 908368 2118560 164 Average: 4958343 7131689 639111 7.86 84394 2252516 941739 10.26 844312 2020257 4198 02:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 20.55 19.45 320.23 1.29 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 79.40 75.57 1283.61 4.94 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 29.77 27.63 462.82 1.88 0.00 0.00 0.00 0.00 02:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:22 ens3 31.66 30.58 519.33 2.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 6.41 5.71 86.23 0.45 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 33.40 31.64 531.94 2.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4521) 04/19/26 _x86_64_ (2 CPU) 02:02:43 LINUX RESTART (2 CPU) 02:10:22 CPU %user %nice %system %iowait %steal %idle 02:20:22 all 0.53 0.00 0.23 0.03 0.06 99.15 02:20:22 0 0.54 0.00 0.34 0.02 0.09 99.01 02:20:22 1 0.51 0.00 0.12 0.05 0.04 99.29 02:30:01 all 1.06 0.00 0.63 0.03 0.07 98.21 02:30:01 0 0.65 0.00 0.44 0.03 0.07 98.80 02:30:01 1 1.47 0.00 0.82 0.03 0.06 97.61 02:40:12 all 0.77 0.00 0.27 0.07 0.06 98.83 02:40:12 0 0.58 0.00 0.13 0.01 0.05 99.23 02:40:12 1 0.96 0.00 0.40 0.13 0.08 98.43 02:50:22 all 0.78 0.00 0.24 0.23 0.07 98.68 02:50:22 0 0.85 0.00 0.29 0.22 0.07 98.57 02:50:22 1 0.72 0.00 0.20 0.23 0.07 98.78 03:00:01 all 0.66 0.00 0.30 0.08 0.07 98.89 03:00:01 0 0.88 0.00 0.36 0.07 0.07 98.62 03:00:01 1 0.44 0.00 0.24 0.10 0.06 99.16 Average: all 0.76 0.00 0.33 0.09 0.07 98.75 Average: 0 0.70 0.00 0.31 0.07 0.07 98.85 Average: 1 0.82 0.00 0.35 0.11 0.06 98.66