---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2384 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: 5600.00 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 7.9G 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 735 5319 4 2175 7206 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:a5:db:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82392sec preferred_lft 82392sec inet6 fe80::f816:3eff:fea5:dbff/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-2384) 04/13/26 _x86_64_ (2 CPU) 00:41:58 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.15 0.32 1.79 0.03 39.07 69.45 871.99 01:10:01 1.36 0.01 1.35 0.00 1.05 22.65 0.05 01:20:01 1.53 0.00 1.51 0.02 0.01 18.05 218.61 01:30:01 1.55 0.00 1.52 0.03 0.00 19.11 872.31 01:40:01 1.74 0.39 1.33 0.02 15.40 47.47 1.20 Average: 1.66 0.14 1.50 0.02 11.11 35.35 392.79 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6102444 7377932 441600 5.43 30868 1450144 726276 7.91 594896 1200228 2176 01:10:01 6238940 7515276 304568 3.75 31032 1450788 527600 5.75 457376 1200752 248 01:20:01 6256556 7533468 286464 3.52 31272 1451116 527820 5.75 457864 1201320 228 01:30:01 6258400 7535856 284024 3.49 31496 1451440 527948 5.75 457896 1201840 276 01:40:01 6227728 7520360 299344 3.68 31840 1466084 544604 5.93 482952 1215328 320 Average: 6216814 7496578 323200 3.97 31302 1453914 570850 6.22 490197 1203894 650 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.92 0.24 3.11 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.56 0.07 5.74 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.59 0.09 0.41 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.44 0.21 0.08 0.54 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 9.33 4.62 19.98 2.65 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 2.37 1.04 5.87 0.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2384) 04/13/26 _x86_64_ (2 CPU) 00:41:58 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.39 0.00 0.21 0.02 0.04 99.35 01:00:01 0 0.55 0.00 0.19 0.01 0.03 99.21 01:00:01 1 0.23 0.00 0.22 0.03 0.05 99.48 01:10:01 all 0.22 0.00 0.08 0.01 0.04 99.65 01:10:01 0 0.17 0.00 0.09 0.02 0.04 99.68 01:10:01 1 0.28 0.00 0.07 0.01 0.04 99.61 01:20:01 all 0.23 0.00 0.08 0.02 0.04 99.64 01:20:01 0 0.06 0.00 0.09 0.02 0.04 99.81 01:20:01 1 0.40 0.00 0.08 0.02 0.04 99.47 01:30:01 all 0.27 0.00 0.17 0.01 0.04 99.51 01:30:01 0 0.15 0.00 0.17 0.02 0.04 99.62 01:30:01 1 0.39 0.00 0.16 0.01 0.04 99.41 01:40:01 all 0.44 0.00 0.09 0.01 0.04 99.42 01:40:01 0 0.52 0.00 0.07 0.01 0.04 99.36 01:40:01 1 0.37 0.00 0.11 0.02 0.03 99.48 Average: all 0.31 0.00 0.12 0.02 0.04 99.51 Average: 0 0.29 0.00 0.12 0.01 0.04 99.53 Average: 1 0.33 0.00 0.13 0.02 0.04 99.49