---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27988 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 784 5027 4 2431 7157 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:a4:0b:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 9034sec preferred_lft 9034sec inet6 fe80::f816:3eff:fea4:bc6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27988) 06/18/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:18 1.80 0.01 1.77 0.01 0.79 20.81 420.30 00:20:17 1.88 0.11 1.75 0.03 3.06 24.13 725.77 00:30:00 26.64 3.22 21.09 2.33 235.17 3425.15 1582.83 Average: 9.87 1.08 8.02 0.77 77.46 1124.62 898.55 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:18 6092776 7487992 320776 3.94 53960 1537232 620308 6.76 498240 1308708 356 00:20:17 6118500 7475660 333020 4.09 54104 1498944 618132 6.73 496988 1270376 204 00:30:00 5149832 7422408 334004 4.11 105256 2318648 644240 7.02 578988 2095924 26840 Average: 5787036 7462020 329267 4.05 71107 1784941 627560 6.84 524739 1558336 9133 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:18 ens3 0.33 0.07 0.09 0.04 0.00 0.00 0.00 0.00 00:20:17 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:17 ens3 0.16 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:00 ens3 67.09 48.09 323.75 12.90 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.90 15.62 104.91 4.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27988) 06/18/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:18 all 0.25 0.00 0.11 0.01 0.03 99.61 00:10:18 0 0.06 0.00 0.11 0.01 0.03 99.79 00:10:18 1 0.44 0.00 0.10 0.00 0.02 99.43 00:20:17 all 0.67 0.00 0.21 0.02 0.03 99.07 00:20:17 0 0.57 0.00 0.25 0.01 0.04 99.12 00:20:17 1 0.76 0.00 0.17 0.02 0.02 99.02 00:30:00 all 11.96 0.00 1.82 2.16 0.04 84.02 00:30:00 0 11.79 0.00 1.92 1.51 0.04 84.73 00:30:00 1 12.14 0.00 1.72 2.80 0.04 83.30 Average: all 4.18 0.00 0.70 0.71 0.03 94.38 Average: 0 4.03 0.00 0.74 0.50 0.04 94.69 Average: 1 4.33 0.00 0.65 0.91 0.03 94.07