---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31993 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 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 820 5063 4 2358 7121 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:5e:df:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51670sec preferred_lft 51670sec inet6 fe80::f816:3eff:fe5e:dfca/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-31993) 07/02/26 _x86_64_ (2 CPU) 00:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:23 1.71 0.01 1.69 0.01 0.81 20.21 0.23 00:20:01 1.94 0.11 1.79 0.04 3.17 24.99 159.96 00:30:23 1.79 0.00 1.77 0.02 0.00 19.78 1.92 00:40:23 24.14 2.99 18.86 2.30 225.61 3462.20 695.96 00:50:01 1.48 0.00 1.48 0.00 0.00 22.26 0.06 Average: 6.25 0.63 5.14 0.48 46.24 714.95 171.70 00:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:23 6114576 7514260 294256 3.62 53688 1542060 750604 8.18 477344 1312680 412 00:20:01 6134164 7496104 312352 3.84 53868 1504084 747564 8.14 475972 1274668 124 00:30:23 6150728 7513172 295148 3.63 54024 1504416 747564 8.14 475984 1275156 264 00:40:23 5084496 7365440 390632 4.80 104860 2327568 872688 9.51 634712 2104024 248 00:50:01 5010164 7293132 462952 5.69 104948 2329532 903592 9.84 658200 2105948 320 Average: 5698826 7436422 351068 4.32 74278 1841532 804402 8.76 544442 1614495 274 00:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:23 ens3 0.19 0.06 0.06 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.16 0.06 0.06 0.02 0.00 0.00 0.00 0.00 00:30:23 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:30:23 ens3 0.48 0.14 0.17 0.09 0.00 0.00 0.00 0.00 00:40:23 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:23 ens3 65.03 47.41 316.96 13.00 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.21 10.35 75.03 1.10 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 15.84 11.61 78.48 2.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31993) 07/02/26 _x86_64_ (2 CPU) 00:00:23 CPU %user %nice %system %iowait %steal %idle 00:10:23 all 0.26 0.00 0.10 0.01 0.02 99.61 00:10:23 0 0.38 0.00 0.08 0.01 0.02 99.51 00:10:23 1 0.14 0.00 0.12 0.01 0.02 99.71 00:20:01 all 0.64 0.00 0.23 0.02 0.02 99.09 00:20:01 0 0.58 0.00 0.22 0.01 0.01 99.17 00:20:01 1 0.70 0.00 0.24 0.04 0.02 99.01 00:30:23 all 0.30 0.00 0.17 0.03 0.01 99.48 00:30:23 0 0.08 0.00 0.18 0.01 0.02 99.72 00:30:23 1 0.52 0.00 0.16 0.06 0.01 99.25 00:40:23 all 12.14 0.00 1.74 0.60 0.04 85.48 00:40:23 0 11.64 0.00 1.66 0.53 0.04 86.14 00:40:23 1 12.64 0.00 1.82 0.67 0.04 84.83 00:50:01 all 0.91 0.00 0.22 0.09 0.04 98.75 00:50:01 0 1.14 0.00 0.24 0.17 0.04 98.42 00:50:01 1 0.68 0.00 0.20 0.01 0.03 99.08 Average: all 2.86 0.00 0.49 0.15 0.03 96.47 Average: 0 2.77 0.00 0.48 0.15 0.02 96.58 Average: 1 2.95 0.00 0.51 0.16 0.03 96.36