---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1923 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 7.8G 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 745 5339 4 2145 7196 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:d2:f7:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84135sec preferred_lft 84135sec inet6 fe80::f816:3eff:fed2:f71b/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-1923) 04/11/26 _x86_64_ (2 CPU) 02:56:56 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:20 9.35 1.20 7.25 0.91 102.49 1039.97 287.77 03:20:10 1.37 0.01 1.35 0.02 0.07 16.61 1.22 03:30:01 1.42 0.00 1.39 0.03 0.00 17.48 1.66 Average: 4.13 0.41 3.39 0.33 35.23 368.45 99.81 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:20 5342536 7421512 350900 4.31 83972 2159584 625152 6.81 581080 1928400 164 03:20:10 5342536 7422064 349992 4.30 84172 2159948 625152 6.81 581188 1928952 192 03:30:01 5332152 7412192 359764 4.42 84332 2160284 626436 6.82 581384 1929460 272 Average: 5339075 7418589 353552 4.35 84159 2159939 625580 6.81 581217 1928937 209 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:20 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:20 ens3 25.73 18.38 37.66 4.73 0.00 0.00 0.00 0.00 03:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:10 ens3 0.83 0.17 0.10 0.03 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.60 0.19 0.14 0.07 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.31 6.43 13.02 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1923) 04/11/26 _x86_64_ (2 CPU) 02:56:56 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:20 all 4.36 0.00 0.80 0.19 0.05 94.60 03:10:20 0 4.78 0.00 0.83 0.17 0.05 94.16 03:10:20 1 3.95 0.00 0.77 0.20 0.05 95.04 03:20:10 all 0.42 0.00 0.15 0.01 0.05 99.38 03:20:10 0 0.49 0.00 0.09 0.01 0.03 99.38 03:20:10 1 0.34 0.00 0.21 0.01 0.06 99.38 03:30:01 all 0.41 0.00 0.23 0.01 0.05 99.30 03:30:01 0 0.46 0.00 0.18 0.01 0.03 99.33 03:30:01 1 0.35 0.00 0.28 0.02 0.07 99.28 Average: all 1.77 0.00 0.40 0.07 0.05 97.71 Average: 0 1.95 0.00 0.37 0.07 0.04 97.57 Average: 1 1.59 0.00 0.42 0.08 0.06 97.85