---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17521 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 815 5101 4 2316 7126 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:1e:c0:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84351sec preferred_lft 84351sec inet6 fe80::f816:3eff:fe1e:c066/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17521) 05/22/26 _x86_64_ (2 CPU) 00:17:46 LINUX RESTART (2 CPU) 00:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:13 11.40 1.43 8.60 1.37 115.27 1306.86 293.71 00:40:13 14.95 0.01 1.48 13.46 0.20 46.23 106572.25 00:50:13 2.40 0.30 1.81 0.29 32.52 166.60 1510.63 Average: 9.58 0.58 3.97 5.04 49.33 506.56 36125.73 00:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:13 5237456 7407676 360356 4.43 86056 2245208 638968 6.96 592112 2016444 168 00:40:13 5210112 7389228 378524 4.65 86216 2253936 664968 7.24 609900 2025304 304 00:50:13 5296888 7364364 412172 5.07 86728 2149720 843932 9.19 642412 1912556 45464 Average: 5248152 7387089 383684 4.72 86333 2216288 715956 7.80 614808 1984768 15312 00:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:13 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 00:30:13 ens3 12.74 9.48 36.72 2.96 0.00 0.00 0.00 0.00 00:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:13 ens3 10.03 7.78 1.84 2.36 0.00 0.00 0.00 0.00 00:50:13 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 22.60 18.37 18.77 18.91 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 15.13 11.87 19.11 8.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17521) 05/22/26 _x86_64_ (2 CPU) 00:17:46 LINUX RESTART (2 CPU) 00:20:13 CPU %user %nice %system %iowait %steal %idle 00:30:13 all 6.91 0.00 0.99 0.25 0.05 91.81 00:30:13 0 10.10 0.00 1.18 0.32 0.04 88.35 00:30:13 1 3.71 0.00 0.80 0.17 0.05 95.26 00:40:13 all 3.91 0.00 0.32 0.05 0.06 95.66 00:40:13 0 5.37 0.00 0.40 0.07 0.06 94.10 00:40:13 1 2.46 0.00 0.25 0.02 0.05 97.23 00:50:13 all 6.57 0.00 0.69 0.04 0.05 92.66 00:50:13 0 7.86 0.00 0.80 0.02 0.05 91.27 00:50:13 1 5.28 0.00 0.57 0.05 0.05 94.05 Average: all 5.80 0.00 0.67 0.11 0.05 93.38 Average: 0 7.78 0.00 0.79 0.14 0.05 91.24 Average: 1 3.82 0.00 0.54 0.08 0.05 95.51