---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26961 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 799 5092 4 2342 7142 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:cd:27:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83691sec preferred_lft 83691sec inet6 fe80::f816:3eff:fecd:27b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26961) 06/13/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.48 0.01 1.45 0.02 0.05 69.27 1.04 01:10:13 1.23 0.00 1.23 0.00 0.00 43.20 0.00 01:20:12 14.84 0.01 1.34 13.49 0.16 37.21 106539.43 Average: 5.85 0.00 1.34 4.50 0.07 49.91 35492.77 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 5195796 7397040 370364 4.55 85904 2275808 656048 7.15 587596 2046644 176 01:10:13 5198736 7408832 358548 4.41 86068 2284504 667496 7.27 590220 2055496 240 01:20:12 5190456 7407280 360084 4.43 86212 2291024 659392 7.18 590528 2062140 192 Average: 5194996 7404384 362999 4.46 86061 2283779 660979 7.20 589448 2054760 203 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 29.88 27.86 10.20 3.21 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 19.22 14.17 8.52 1.33 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 14.30 12.66 3.09 2.01 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 21.14 18.24 7.27 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26961) 06/13/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 6.62 0.00 0.93 0.01 0.05 92.38 01:00:13 0 7.36 0.00 1.01 0.01 0.06 91.56 01:00:13 1 5.87 0.00 0.86 0.01 0.05 93.21 01:10:13 all 2.76 0.00 0.40 0.01 0.05 96.78 01:10:13 0 2.10 0.00 0.36 0.01 0.05 97.48 01:10:13 1 3.42 0.00 0.44 0.01 0.05 96.09 01:20:12 all 4.13 0.00 0.39 0.03 0.06 95.40 01:20:12 0 3.64 0.00 0.43 0.05 0.06 95.83 01:20:12 1 4.62 0.00 0.35 0.01 0.06 94.97 Average: all 4.50 0.00 0.57 0.02 0.05 94.86 Average: 0 4.37 0.00 0.60 0.02 0.05 94.96 Average: 1 4.64 0.00 0.55 0.01 0.05 94.75