---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-14253 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 777 5191 4 2270 7164 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:ac:a3:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7881sec preferred_lft 7881sec inet6 fe80::f816:3eff:feac:a3a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14253) 05/15/26 _x86_64_ (2 CPU) 00:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:14 1.90 0.02 1.87 0.02 0.81 22.29 0.21 00:20:01 1.81 0.11 1.68 0.03 3.12 23.84 519.82 00:30:00 1.88 0.00 1.86 0.02 0.00 20.60 0.24 00:40:01 23.80 3.00 18.59 2.22 225.85 3145.50 1032.66 00:50:01 1.98 0.00 1.92 0.06 0.00 36.58 9.80 Average: 6.30 0.63 5.20 0.47 46.20 653.31 311.89 00:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:14 6121880 7518620 290596 3.57 53976 1538780 543308 5.92 481320 1308668 164 00:20:01 6141468 7500168 309032 3.80 54132 1500512 541092 5.89 480156 1270368 172 00:30:00 6131028 7490192 318964 3.92 54264 1500840 541156 5.89 480128 1270828 128 00:40:01 5198812 7395752 365688 4.50 103452 2248724 637216 6.94 606084 2022648 320 00:50:01 5117696 7316844 444308 5.46 103724 2250664 730160 7.95 641472 2024860 240 Average: 5742177 7444315 345718 4.25 73910 1807904 598586 6.52 537832 1579474 205 00:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:14 ens3 0.25 0.08 0.08 0.04 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 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.49 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 60.88 43.40 302.36 12.10 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.40 9.79 72.39 1.06 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.11 10.75 75.41 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14253) 05/15/26 _x86_64_ (2 CPU) 00:00:14 CPU %user %nice %system %iowait %steal %idle 00:10:14 all 0.23 0.00 0.10 0.01 0.02 99.64 00:10:14 0 0.06 0.00 0.12 0.02 0.03 99.78 00:10:14 1 0.40 0.00 0.07 0.01 0.02 99.50 00:20:01 all 0.64 0.00 0.21 0.01 0.02 99.11 00:20:01 0 0.74 0.00 0.20 0.01 0.01 99.04 00:20:01 1 0.53 0.00 0.23 0.01 0.03 99.19 00:30:00 all 0.27 0.00 0.16 0.01 0.02 99.54 00:30:00 0 0.35 0.00 0.16 0.01 0.02 99.45 00:30:00 1 0.19 0.00 0.15 0.01 0.03 99.63 00:40:01 all 10.72 0.00 1.65 0.58 0.05 87.01 00:40:01 0 11.62 0.00 1.76 0.66 0.04 85.92 00:40:01 1 9.82 0.00 1.53 0.50 0.06 88.10 00:50:01 all 0.84 0.01 0.22 0.04 0.05 98.84 00:50:01 0 0.76 0.02 0.24 0.03 0.05 98.90 00:50:01 1 0.92 0.00 0.20 0.04 0.06 98.78 Average: all 2.55 0.00 0.47 0.13 0.03 96.82 Average: 0 2.72 0.00 0.50 0.15 0.03 96.60 Average: 1 2.38 0.00 0.44 0.11 0.04 97.03