---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31774 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 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 796 4999 4 2447 7145 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:63:45:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51469sec preferred_lft 51469sec inet6 fe80::f816:3eff:fe63:45c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31774) 07/01/26 _x86_64_ (2 CPU) 00:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.02 1.78 0.02 0.84 21.05 0.19 00:20:01 1.90 0.11 1.77 0.03 3.05 24.60 150.80 00:30:03 23.74 3.12 18.34 2.27 228.28 3404.93 887.34 00:40:12 3.94 0.05 3.25 0.64 1.74 269.35 1770.68 Average: 7.90 0.83 6.33 0.75 58.94 937.89 712.51 00:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6107120 7505780 303240 3.73 56428 1538156 547148 5.96 474648 1311756 240 00:20:01 6129120 7489564 319312 3.93 56560 1499748 545012 5.94 473444 1273136 120 00:30:03 5141136 7420216 336488 4.14 107400 2322956 595364 6.48 582200 2101736 2540 00:40:12 5150800 7340988 424388 5.22 108344 2240812 681456 7.42 666820 2020376 74416 Average: 5632044 7439137 345857 4.25 82183 1900418 592245 6.45 549278 1676751 19329 00:00:23 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 0.29 0.06 0.09 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 0.14 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:03 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:03 ens3 62.96 44.93 314.95 11.46 0.00 0.00 0.00 0.00 00:40:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:40:12 ens3 23.92 17.48 45.35 13.20 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 22.06 15.80 90.95 6.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31774) 07/01/26 _x86_64_ (2 CPU) 00:00:23 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.10 0.01 0.03 99.61 00:10:01 0 0.05 0.00 0.10 0.01 0.04 99.80 00:10:01 1 0.46 0.00 0.09 0.01 0.02 99.43 00:20:01 all 0.66 0.00 0.21 0.01 0.03 99.09 00:20:01 0 0.66 0.00 0.16 0.02 0.02 99.14 00:20:01 1 0.65 0.00 0.26 0.01 0.04 99.04 00:30:03 all 11.52 0.00 1.75 0.54 0.05 86.15 00:30:03 0 13.26 0.00 1.88 0.55 0.04 84.27 00:30:03 1 9.77 0.00 1.61 0.53 0.05 88.04 00:40:12 all 7.36 0.00 0.38 0.05 0.07 92.14 00:40:12 0 8.44 0.00 0.47 0.08 0.07 90.94 00:40:12 1 6.27 0.00 0.28 0.02 0.08 93.35 Average: all 5.00 0.00 0.61 0.15 0.04 94.19 Average: 0 5.66 0.00 0.66 0.17 0.04 93.47 Average: 1 4.33 0.00 0.56 0.14 0.05 94.91