---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3194 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 756 5220 4 2262 7185 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:05:8c:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8232sec preferred_lft 8232sec inet6 fe80::f816:3eff:fe05:8cb7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3194) 04/17/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.73 0.02 1.70 0.01 0.82 20.75 436.94 00:20:09 1.78 0.11 1.64 0.03 3.01 23.66 889.80 00:30:11 1.57 0.00 1.56 0.01 0.00 17.90 647.18 00:40:01 25.35 3.10 19.22 3.03 231.53 3246.26 3309.66 Average: 7.53 0.79 5.98 0.76 58.11 816.85 1313.81 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6103800 7507644 301088 3.70 55460 1544236 598908 6.52 482328 1314188 240 00:20:09 6118516 7484052 324604 3.99 55612 1505712 596496 6.50 480896 1275600 348 00:30:11 6123820 7489804 318812 3.92 55720 1506044 596496 6.50 480964 1276040 272 00:40:01 5402044 7407816 362900 4.46 105488 2064148 665876 7.25 609072 1838404 23944 Average: 5937045 7472329 326851 4.02 68070 1655035 614444 6.69 513315 1426058 6201 00:00:07 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 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:09 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:09 ens3 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 0.49 0.10 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.35 1.35 0.10 0.10 0.00 0.00 0.00 0.00 00:40:01 ens3 70.88 50.18 311.96 13.72 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.71 12.44 77.06 3.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3194) 04/17/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.09 0.01 0.03 99.61 00:10:01 0 0.16 0.00 0.11 0.01 0.03 99.69 00:10:01 1 0.36 0.00 0.07 0.01 0.03 99.53 00:20:09 all 0.62 0.00 0.21 0.02 0.03 99.12 00:20:09 0 0.50 0.00 0.23 0.01 0.04 99.23 00:20:09 1 0.75 0.00 0.19 0.02 0.03 99.02 00:30:11 all 0.25 0.00 0.15 0.01 0.03 99.55 00:30:11 0 0.25 0.00 0.15 0.00 0.03 99.57 00:30:11 1 0.25 0.00 0.16 0.01 0.03 99.54 00:40:01 all 12.35 0.00 1.87 0.67 0.05 85.06 00:40:01 0 8.25 0.00 1.33 0.49 0.04 89.89 00:40:01 1 16.46 0.00 2.41 0.85 0.06 80.23 Average: all 3.33 0.00 0.58 0.17 0.04 95.89 Average: 0 2.26 0.00 0.45 0.13 0.04 97.13 Average: 1 4.40 0.00 0.70 0.22 0.04 94.64