---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10460 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 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 745 5288 4 2196 7196 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:ce:93:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81897sec preferred_lft 81897sec inet6 fe80::f816:3eff:fece:93ff/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-10460) 05/03/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 10.91 1.44 8.68 0.79 105.99 1323.72 626.69 00:20:09 12.91 1.85 9.55 1.51 130.27 1853.00 536.19 00:30:01 2.01 0.26 1.73 0.03 31.39 79.87 0.53 00:40:09 1.36 0.00 1.35 0.01 1.04 23.53 0.05 Average: 6.81 0.89 5.34 0.58 67.19 821.39 291.90 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 5534304 7392552 393648 4.84 67208 1967136 645192 7.03 592820 1749668 241424 00:20:09 5309656 7405704 366352 4.50 85260 2174940 628324 6.84 584732 1944348 144 00:30:01 5255752 7379008 392716 4.83 85520 2201764 833160 9.07 601004 1962540 244 00:40:09 5262584 7388920 382908 4.71 85668 2204696 634712 6.91 600200 1965308 128 Average: 5340574 7391546 383906 4.72 80914 2137134 685347 7.46 594689 1905466 60485 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 00:10:09 ens3 36.64 21.82 259.90 5.91 0.00 0.00 0.00 0.00 00:20:09 lo 1.25 1.25 0.08 0.08 0.00 0.00 0.00 0.00 00:20:09 ens3 31.98 21.99 45.29 5.35 0.00 0.00 0.00 0.00 00:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 2.71 0.55 3.37 0.11 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 1.75 0.51 0.31 0.16 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 18.32 11.25 77.77 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10460) 05/03/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 4.71 0.00 0.75 0.30 0.05 94.19 00:10:09 0 3.86 0.00 0.58 0.21 0.04 95.30 00:10:09 1 5.56 0.00 0.91 0.38 0.06 93.08 00:20:09 all 7.34 0.00 1.14 0.21 0.08 91.23 00:20:09 0 8.90 0.00 1.19 0.27 0.06 89.58 00:20:09 1 5.77 0.00 1.09 0.16 0.09 92.89 00:30:01 all 0.69 0.00 0.25 0.02 0.08 98.96 00:30:01 0 0.40 0.00 0.24 0.02 0.07 99.27 00:30:01 1 0.98 0.00 0.25 0.03 0.09 98.64 00:40:09 all 1.01 0.00 0.15 0.01 0.08 98.75 00:40:09 0 1.63 0.00 0.23 0.00 0.12 98.02 00:40:09 1 0.39 0.00 0.07 0.01 0.04 99.48 Average: all 3.44 0.00 0.57 0.14 0.07 95.78 Average: 0 3.70 0.00 0.56 0.13 0.07 95.54 Average: 1 3.18 0.00 0.58 0.15 0.07 96.02