---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19716 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 769 5125 4 2347 7172 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:6e:87:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7836sec preferred_lft 7836sec inet6 fe80::f816:3eff:fe6e:877e/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-19716) 05/26/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.88 0.02 1.85 0.02 0.82 21.42 0.19 00:20:07 1.85 0.11 1.71 0.03 3.03 23.92 501.96 00:30:08 1.96 0.00 1.95 0.02 0.00 21.19 0.27 00:40:01 9.23 1.39 7.34 0.51 101.45 758.77 191.47 Average: 3.71 0.37 3.20 0.14 26.10 204.67 174.51 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6098160 7496892 311716 3.83 56776 1537868 552216 6.01 483288 1311844 240 00:20:07 6136096 7496540 311972 3.84 56936 1499344 550176 5.99 481976 1273264 312 00:30:08 6134880 7495904 312508 3.84 57092 1499800 550176 5.99 482148 1273712 312 00:40:01 5477604 7320576 457808 5.63 87804 1925124 677540 7.38 634908 1716252 284180 Average: 5961685 7452478 348501 4.29 64652 1615534 582527 6.34 520580 1393768 71261 00:00:06 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 0.25 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:20:07 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:07 ens3 0.15 0.04 0.04 0.02 0.00 0.00 0.00 0.00 00:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 0.48 0.11 0.16 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 28.87 19.77 172.68 6.97 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.37 4.96 42.85 1.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19716) 05/26/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.00 0.11 0.01 0.03 99.63 00:10:01 0 0.40 0.00 0.09 0.02 0.02 99.49 00:10:01 1 0.06 0.00 0.13 0.01 0.04 99.77 00:20:07 all 0.63 0.00 0.22 0.01 0.02 99.12 00:20:07 0 0.63 0.00 0.20 0.01 0.02 99.14 00:20:07 1 0.64 0.00 0.23 0.00 0.03 99.09 00:30:08 all 0.24 0.00 0.17 0.02 0.02 99.55 00:30:08 0 0.25 0.00 0.17 0.04 0.02 99.51 00:30:08 1 0.22 0.00 0.17 0.00 0.03 99.59 00:40:01 all 4.19 0.00 0.62 0.21 0.03 94.95 00:40:01 0 5.41 0.00 0.74 0.23 0.04 93.58 00:40:01 1 2.97 0.00 0.50 0.19 0.03 96.31 Average: all 1.31 0.00 0.28 0.06 0.03 98.32 Average: 0 1.66 0.00 0.30 0.08 0.02 97.94 Average: 1 0.97 0.00 0.26 0.05 0.03 98.70