---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10276 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 751 5147 4 2332 7190 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:4d:fa:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85013sec preferred_lft 85013sec inet6 fe80::f816:3eff:fe4d:fa2e/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-10276) 05/02/26 _x86_64_ (2 CPU) 03:07:42 LINUX RESTART (2 CPU) 03:10:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 10.70 1.34 8.05 1.31 115.98 1158.56 463.26 03:30:02 3.90 0.07 3.04 0.79 2.56 732.35 2436.86 Average: 7.21 0.69 5.48 1.04 57.83 940.04 1475.11 03:10:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5382388 7469380 302804 3.72 84016 2167292 565936 6.16 534168 1936824 2348 03:30:02 5337236 7421976 355596 4.37 85644 2170624 614772 6.70 582240 1941472 28288 Average: 5359812 7445678 329200 4.05 84830 2168958 590354 6.43 558204 1939148 15318 03:10:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 lo 1.18 1.18 0.08 0.08 0.00 0.00 0.00 0.00 03:20:01 ens3 27.95 20.52 41.19 5.37 0.00 0.00 0.00 0.00 03:30:02 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 03:30:02 ens3 36.85 32.37 120.41 16.97 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 32.51 26.59 81.81 11.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10276) 05/02/26 _x86_64_ (2 CPU) 03:07:42 LINUX RESTART (2 CPU) 03:10:29 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 6.06 0.00 0.91 0.19 0.03 92.81 03:20:01 0 8.46 0.00 1.09 0.24 0.04 90.18 03:20:01 1 3.66 0.00 0.72 0.14 0.03 95.45 03:30:02 all 9.34 0.00 0.68 0.05 0.05 89.88 03:30:02 0 9.39 0.00 0.66 0.04 0.06 89.86 03:30:02 1 9.28 0.00 0.70 0.07 0.05 89.91 Average: all 7.74 0.00 0.79 0.12 0.04 91.31 Average: 0 8.94 0.00 0.87 0.13 0.05 90.01 Average: 1 6.54 0.00 0.71 0.10 0.04 92.61