---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27981 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 759 5134 4 2348 7182 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:40:c4:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8652sec preferred_lft 8652sec inet6 fe80::f816:3eff:fe40:c4a7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27981) 06/18/26 _x86_64_ (2 CPU) 00:00:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.82 0.02 1.79 0.01 0.87 21.33 0.23 00:20:37 1.90 0.10 1.77 0.03 2.88 24.56 490.94 00:30:12 1.89 0.00 1.87 0.02 0.00 21.20 0.28 00:40:01 25.29 3.03 19.95 2.30 229.29 3357.38 1339.03 Average: 7.70 0.79 6.33 0.59 58.09 853.05 465.67 00:00:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6124356 7525508 283284 3.48 54472 1542588 536168 5.84 473344 1313532 240 00:20:37 6150040 7513156 295580 3.63 54612 1504360 534032 5.82 471944 1275216 124 00:30:12 6138456 7502048 306556 3.77 54744 1504684 534032 5.82 471980 1275672 264 00:40:01 5166236 7444052 312472 3.84 105472 2323716 560880 6.11 557844 2100312 26832 Average: 5894772 7496191 299473 3.68 67325 1718837 541278 5.90 493778 1491183 6865 00:00:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.32 0.09 0.10 0.04 0.00 0.00 0.00 0.00 00:20:37 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:37 ens3 0.17 0.07 0.04 0.02 0.00 0.00 0.00 0.00 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 0.56 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 65.41 46.09 320.29 11.76 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.55 11.55 79.85 2.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27981) 06/18/26 _x86_64_ (2 CPU) 00:00:37 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.21 0.00 0.10 0.02 0.03 99.63 00:10:01 0 0.12 0.00 0.12 0.02 0.04 99.70 00:10:01 1 0.31 0.00 0.09 0.01 0.03 99.56 00:20:37 all 0.62 0.00 0.20 0.01 0.04 99.13 00:20:37 0 0.74 0.00 0.16 0.02 0.03 99.06 00:20:37 1 0.50 0.00 0.24 0.01 0.05 99.21 00:30:12 all 0.23 0.00 0.16 0.01 0.04 99.57 00:30:12 0 0.39 0.00 0.15 0.01 0.03 99.41 00:30:12 1 0.06 0.00 0.16 0.00 0.05 99.73 00:40:01 all 11.75 0.00 1.69 0.52 0.05 85.99 00:40:01 0 11.23 0.00 1.69 0.45 0.05 86.58 00:40:01 1 12.27 0.00 1.69 0.58 0.06 85.41 Average: all 3.20 0.00 0.54 0.14 0.04 96.09 Average: 0 3.12 0.00 0.53 0.13 0.04 96.19 Average: 1 3.28 0.00 0.54 0.15 0.05 95.98