---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27408 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 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 756 5189 4 2288 7185 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:25:e1:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82400sec preferred_lft 82400sec inet6 fe80::f816:3eff:fe25:e103/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27408) 06/15/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:07 1.64 0.02 1.60 0.02 1.07 24.71 0.93 00:20:01 1.65 0.11 1.50 0.03 3.52 21.99 14.66 00:30:03 15.74 0.26 1.99 13.49 32.05 83.61 106129.12 00:40:09 1.33 0.00 1.33 0.00 0.09 39.01 0.00 Average: 5.10 0.10 1.61 3.39 9.19 42.41 26604.49 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:07 5235060 7404816 362864 4.46 86780 2243580 630936 6.87 585160 2014908 220 00:20:01 5220832 7391900 375616 4.62 87052 2244564 631428 6.88 586340 2015940 164 00:30:03 5199348 7398440 368816 4.54 87368 2272132 632404 6.89 597556 2034600 184 00:40:09 5194768 7401132 366072 4.50 87496 2279308 659804 7.19 600540 2041868 220 Average: 5212502 7399072 368342 4.53 87174 2259896 638643 6.96 592399 2026829 197 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:07 ens3 1.13 0.49 0.23 0.11 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 1.43 0.61 0.42 0.80 0.00 0.00 0.00 0.00 00:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 1.93 0.78 3.99 0.19 0.00 0.00 0.00 0.00 00:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:09 ens3 5.09 3.40 1.74 0.90 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.40 1.33 1.60 0.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27408) 06/15/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:07 all 8.51 0.00 0.78 0.02 0.08 90.61 00:10:07 0 6.05 0.00 0.55 0.02 0.07 93.30 00:10:07 1 11.03 0.00 1.02 0.02 0.08 87.85 00:20:01 all 9.14 0.00 0.86 0.01 0.07 89.92 00:20:01 0 10.31 0.00 0.89 0.01 0.07 88.72 00:20:01 1 7.97 0.00 0.83 0.01 0.08 91.12 00:30:03 all 9.65 0.00 0.87 0.04 0.08 89.36 00:30:03 0 7.90 0.00 0.71 0.07 0.08 91.24 00:30:03 1 11.44 0.00 1.03 0.02 0.08 87.43 00:40:09 all 6.66 0.00 0.54 0.01 0.08 92.71 00:40:09 0 8.06 0.00 0.64 0.01 0.08 91.20 00:40:09 1 5.28 0.00 0.44 0.01 0.08 94.19 Average: all 8.47 0.00 0.76 0.02 0.08 90.67 Average: 0 8.06 0.00 0.70 0.03 0.08 91.13 Average: 1 8.89 0.00 0.83 0.01 0.08 90.20