---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8184 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: 5600.00 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 789 5180 4 2261 7152 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:88:6e:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84654sec preferred_lft 84654sec inet6 fe80::f816:3eff:fe88:6e7d/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-8184) 03/23/26 _x86_64_ (2 CPU) 01:51:46 LINUX RESTART (2 CPU) 02:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 2.01 0.33 1.66 0.02 39.79 115.60 0.96 02:20:17 18.87 0.08 4.34 14.45 5.78 469.57 106692.22 Average: 10.59 0.20 3.02 7.36 22.49 295.71 54287.43 02:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5273912 7394024 377680 4.64 84276 2200644 839592 9.14 606928 1959080 900 02:20:17 5355888 7372132 408460 5.02 86944 2101928 829056 9.03 636576 1861532 13560 Average: 5314900 7383078 393070 4.83 85610 2151286 834324 9.09 621752 1910306 7230 02:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 38.77 34.00 11.38 4.45 0.00 0.00 0.00 0.00 02:20:17 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 02:20:17 ens3 48.77 44.84 27.56 19.10 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 43.86 39.51 19.61 11.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8184) 03/23/26 _x86_64_ (2 CPU) 01:51:46 LINUX RESTART (2 CPU) 02:00:07 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 6.53 0.00 0.59 0.03 0.06 92.79 02:10:01 0 9.00 0.00 0.73 0.02 0.06 90.19 02:10:01 1 4.10 0.00 0.45 0.03 0.06 95.35 02:20:17 all 11.03 0.00 0.84 0.12 0.07 87.94 02:20:17 0 9.46 0.00 0.84 0.16 0.07 89.46 02:20:17 1 12.59 0.00 0.83 0.08 0.07 86.43 Average: all 8.83 0.00 0.72 0.07 0.07 90.31 Average: 0 9.24 0.00 0.79 0.09 0.07 89.82 Average: 1 8.42 0.00 0.65 0.05 0.07 90.81