---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7840 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 797 5084 4 2355 7144 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:af:e3:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83568sec preferred_lft 83568sec inet6 fe80::f816:3eff:feaf:e356/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7840) 04/25/26 _x86_64_ (2 CPU) 00:58:48 LINUX RESTART (2 CPU) 01:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:04 20.60 1.67 16.79 2.14 130.08 2835.70 1834.90 01:20:04 1.30 0.01 1.28 0.01 0.07 23.81 0.37 01:30:04 1.63 0.02 1.60 0.02 0.60 26.53 0.55 01:40:04 1.31 0.00 1.31 0.00 0.00 17.31 0.00 Average: 6.21 0.42 5.24 0.54 32.69 725.85 458.96 01:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:04 5292636 7378516 393804 4.84 84124 2166144 644308 7.02 602040 1935880 436 01:20:04 5286840 7375612 396512 4.88 84260 2168896 651608 7.10 609132 1938776 352 01:30:04 5276128 7367356 404708 4.98 84404 2171216 653152 7.11 610992 1941112 260 01:40:04 5283716 7375884 396192 4.87 84532 2172020 653152 7.11 610944 1942052 200 Average: 5284830 7374342 397804 4.89 84330 2169569 650555 7.09 608277 1939455 312 01:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:04 lo 1.27 1.27 0.09 0.09 0.00 0.00 0.00 0.00 01:10:04 ens3 18.77 12.62 166.58 2.65 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 1.00 0.27 0.25 0.14 0.00 0.00 0.00 0.00 01:30:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.56 0.26 0.13 0.08 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.70 0.40 0.19 0.14 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 5.26 3.39 41.79 0.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7840) 04/25/26 _x86_64_ (2 CPU) 00:58:48 LINUX RESTART (2 CPU) 01:00:04 CPU %user %nice %system %iowait %steal %idle 01:10:04 all 9.36 0.00 1.37 1.87 0.05 87.35 01:10:04 0 7.31 0.00 1.20 1.53 0.04 89.91 01:10:04 1 11.41 0.00 1.54 2.20 0.06 84.80 01:20:04 all 1.17 0.00 0.14 4.99 0.05 93.65 01:20:04 0 1.36 0.00 0.15 9.71 0.05 88.73 01:20:04 1 0.99 0.00 0.13 0.26 0.05 98.57 01:30:04 all 1.17 0.00 0.23 0.01 0.05 98.53 01:30:04 0 1.11 0.00 0.24 0.01 0.05 98.59 01:30:04 1 1.24 0.00 0.23 0.01 0.05 98.48 01:40:04 all 0.88 0.00 0.12 0.02 0.05 98.93 01:40:04 0 0.64 0.00 0.09 0.01 0.03 99.22 01:40:04 1 1.12 0.00 0.14 0.03 0.06 98.65 Average: all 3.15 0.00 0.46 1.72 0.05 94.62 Average: 0 2.61 0.00 0.42 2.81 0.05 94.11 Average: 1 3.69 0.00 0.51 0.63 0.05 95.12