---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35635 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 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 735 5221 4 2277 7206 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:72:4a:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84129sec preferred_lft 84129sec inet6 fe80::f816:3eff:fe72:4a81/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35635) 07/14/26 _x86_64_ (2 CPU) 02:06:55 LINUX RESTART (2 CPU) 02:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:13 9.77 1.19 7.57 1.01 102.76 1166.78 483.72 02:30:13 2.18 0.26 1.86 0.05 32.08 79.55 1.88 02:40:08 1.51 0.02 1.48 0.02 0.61 16.79 1.13 Average: 4.51 0.49 3.65 0.36 45.43 424.22 163.58 02:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:13 5239264 7423836 343268 4.22 86296 2258200 630696 6.87 574012 2029900 128 02:30:13 5192396 7404208 362460 4.46 86640 2285020 630760 6.87 583348 2047976 176 02:40:08 5183044 7395552 371132 4.56 86804 2285556 630792 6.87 583500 2048560 172 Average: 5204901 7407865 358953 4.41 86580 2276259 630749 6.87 580287 2042145 159 02:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:13 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:20:13 ens3 27.39 20.43 38.53 4.77 0.00 0.00 0.00 0.00 02:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 1.21 0.63 3.27 0.06 0.00 0.00 0.00 0.00 02:40:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.70 0.30 0.85 0.06 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.84 7.18 14.32 1.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35635) 07/14/26 _x86_64_ (2 CPU) 02:06:55 LINUX RESTART (2 CPU) 02:10:08 CPU %user %nice %system %iowait %steal %idle 02:20:13 all 4.42 0.00 0.75 0.16 0.07 94.61 02:20:13 0 2.62 0.00 0.65 0.14 0.07 96.51 02:20:13 1 6.21 0.00 0.84 0.17 0.07 92.70 02:30:13 all 0.50 0.00 0.26 0.02 0.05 99.16 02:30:13 0 0.49 0.00 0.23 0.03 0.05 99.20 02:30:13 1 0.52 0.00 0.28 0.02 0.06 99.12 02:40:08 all 0.40 0.00 0.13 0.01 0.06 99.40 02:40:08 0 0.52 0.00 0.10 0.01 0.05 99.33 02:40:08 1 0.29 0.00 0.16 0.01 0.08 99.47 Average: all 1.79 0.00 0.38 0.06 0.06 97.71 Average: 0 1.21 0.00 0.33 0.06 0.06 98.34 Average: 1 2.36 0.00 0.43 0.07 0.07 97.08