---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16680 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 5205 4 2264 7171 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:e0:7c:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51876sec preferred_lft 51876sec inet6 fe80::f816:3eff:fee0:7c88/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16680) 05/20/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.78 0.01 1.75 0.01 0.81 20.73 216.36 00:20:23 1.85 0.10 1.72 0.03 2.94 23.80 697.34 00:30:01 25.40 3.27 19.79 2.34 237.63 3296.61 1869.85 Average: 9.39 1.09 7.53 0.77 77.59 1073.66 913.50 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6127256 7524104 284360 3.50 54048 1538952 596808 6.50 472704 1309036 240 00:20:23 6137116 7495620 312772 3.85 54164 1500424 594384 6.47 471272 1270408 264 00:30:01 5239616 7437772 322792 3.97 103888 2249552 623100 6.79 560428 2023956 280 Average: 5834663 7485832 306641 3.77 70700 1762976 604764 6.59 501468 1534467 261 00:00:01 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 0.19 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:23 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:23 ens3 0.14 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.67 1.67 0.12 0.12 0.00 0.00 0.00 0.00 00:30:01 ens3 41.35 30.27 311.83 9.48 0.00 0.00 0.00 0.00 Average: lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 13.39 9.75 100.16 3.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16680) 05/20/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.10 0.01 0.02 99.62 00:10:01 0 0.15 0.00 0.11 0.02 0.02 99.70 00:10:01 1 0.35 0.00 0.09 0.00 0.02 99.54 00:20:23 all 0.65 0.00 0.20 0.01 0.02 99.12 00:20:23 0 0.80 0.00 0.16 0.02 0.01 99.00 00:20:23 1 0.50 0.00 0.23 0.00 0.03 99.24 00:30:01 all 11.32 0.00 1.75 1.61 0.05 85.28 00:30:01 0 9.47 0.00 1.49 2.70 0.04 86.30 00:30:01 1 13.18 0.00 2.01 0.51 0.05 84.26 Average: all 3.94 0.00 0.66 0.52 0.03 94.85 Average: 0 3.36 0.00 0.57 0.88 0.03 95.16 Average: 1 4.52 0.00 0.75 0.17 0.03 94.53