---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2094 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 776 5300 4 2153 7165 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:a8:7b:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85054sec preferred_lft 85054sec inet6 fe80::f816:3eff:fea8:7b83/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2094) 04/11/26 _x86_64_ (2 CPU) 23:28:43 LINUX RESTART (2 CPU) 23:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:40:20 12.19 1.55 9.30 1.35 120.89 1676.57 449.89 23:50:01 2.97 0.06 2.35 0.55 1.74 99.29 2210.65 Average: 7.66 0.82 5.89 0.96 62.38 902.14 1314.41 23:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:40:20 5299716 7380368 391904 4.82 84600 2160608 670500 7.30 612168 1930016 192 23:50:01 5357876 7302984 478444 5.88 86048 2031932 723288 7.88 706740 1802604 56672 Average: 5328796 7341676 435174 5.35 85324 2096270 696894 7.59 659454 1866310 28432 23:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:40:20 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 23:40:20 ens3 74.38 54.78 52.20 12.32 0.00 0.00 0.00 0.00 23:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 23:50:01 ens3 18.46 15.71 15.26 3.83 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 46.93 35.60 34.06 8.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2094) 04/11/26 _x86_64_ (2 CPU) 23:28:43 LINUX RESTART (2 CPU) 23:30:18 CPU %user %nice %system %iowait %steal %idle 23:40:20 all 8.82 0.00 1.25 0.56 0.06 89.31 23:40:20 0 11.71 0.00 1.38 0.88 0.05 85.98 23:40:20 1 5.94 0.00 1.13 0.23 0.07 92.63 23:50:01 all 4.38 0.00 0.52 0.04 0.08 94.98 23:50:01 0 3.86 0.00 0.51 0.01 0.08 95.53 23:50:01 1 4.89 0.00 0.54 0.07 0.08 94.42 Average: all 6.63 0.00 0.89 0.30 0.07 92.10 Average: 0 7.84 0.00 0.95 0.45 0.07 90.69 Average: 1 5.42 0.00 0.84 0.15 0.07 93.51