---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2340 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 774 5219 4 2244 7167 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:b7:65:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81549sec preferred_lft 81549sec inet6 fe80::f816:3eff:feb7:655e/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-2340) 04/13/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:12 1.46 0.01 1.41 0.03 0.80 17.70 428.12 00:20:50 1.59 0.11 1.46 0.02 3.28 18.53 210.50 00:30:00 1.54 0.00 1.52 0.02 0.00 17.69 476.21 00:40:02 36.61 16.83 17.49 2.29 417.13 3226.39 1245.60 00:50:03 14.84 0.00 1.35 13.49 0.15 21.60 106645.99 Average: 11.23 3.40 4.66 3.17 84.54 662.14 21805.90 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:12 6282704 7530236 290060 3.57 30988 1422416 530528 5.78 449672 1184276 172 00:20:50 6260072 7508284 311912 3.84 31324 1422684 531992 5.79 449708 1184668 120 00:30:00 6265372 7514176 305900 3.76 31480 1423100 532024 5.79 449868 1185112 124 00:40:02 5215944 7382124 380092 4.67 88800 2233284 659748 7.19 615100 1995064 296 00:50:03 5141992 7310184 452024 5.56 88932 2235196 690892 7.53 637712 1997092 252 Average: 5833217 7449001 347998 4.28 54305 1747336 589037 6.42 520412 1509242 193 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:12 ens3 0.39 0.08 0.11 0.06 0.00 0.00 0.00 0.00 00:20:50 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:50 ens3 0.41 0.18 0.09 0.61 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 0.40 0.11 0.12 0.07 0.00 0.00 0.00 0.00 00:40:02 lo 1.32 1.32 0.11 0.11 0.00 0.00 0.00 0.00 00:40:02 ens3 62.04 42.14 301.11 11.35 0.00 0.00 0.00 0.00 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 12.58 9.53 72.26 1.07 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 15.20 10.43 74.91 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2340) 04/13/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:12 all 0.25 0.00 0.10 0.03 0.03 99.58 00:10:12 0 0.07 0.00 0.11 0.01 0.03 99.78 00:10:12 1 0.44 0.00 0.10 0.06 0.02 99.38 00:20:50 all 0.46 0.00 0.20 0.01 0.02 99.31 00:20:50 0 0.59 0.00 0.17 0.01 0.02 99.20 00:20:50 1 0.32 0.00 0.22 0.01 0.03 99.42 00:30:00 all 0.20 0.00 0.17 0.01 0.02 99.59 00:30:00 0 0.14 0.00 0.17 0.01 0.02 99.66 00:30:00 1 0.27 0.00 0.18 0.01 0.02 99.52 00:40:02 all 10.86 0.18 1.72 0.66 0.04 86.53 00:40:02 0 8.59 0.08 1.53 0.42 0.04 89.35 00:40:02 1 13.14 0.28 1.92 0.91 0.05 83.71 00:50:03 all 0.84 0.00 0.21 0.04 0.06 98.86 00:50:03 0 0.88 0.00 0.21 0.05 0.06 98.80 00:50:03 1 0.80 0.00 0.20 0.03 0.05 98.92 Average: all 2.53 0.04 0.48 0.15 0.03 96.76 Average: 0 2.06 0.02 0.44 0.10 0.03 97.35 Average: 1 3.00 0.06 0.52 0.20 0.04 96.18