---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9523 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 751 5328 4 2149 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:55:37:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84145sec preferred_lft 84145sec inet6 fe80::f816:3eff:fe55:37f5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9523) 04/29/26 _x86_64_ (2 CPU) 02:56:44 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:03 9.24 1.21 7.06 0.98 103.70 1073.43 419.66 03:20:03 1.27 0.01 1.24 0.02 0.07 15.24 1.20 03:30:01 1.37 0.00 1.33 0.03 0.00 16.84 1.49 Average: 3.97 0.41 3.22 0.34 34.73 369.95 141.36 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:03 5323708 7410920 361080 4.44 83936 2167844 627408 6.83 578064 1936948 240 03:20:03 5326652 7414408 357376 4.39 84136 2168196 627608 6.84 578328 1937500 232 03:30:01 5322564 7410796 360888 4.44 84296 2168548 627608 6.84 578440 1937976 172 Average: 5324308 7412041 359781 4.42 84123 2168196 627541 6.84 578277 1937475 215 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:03 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:03 ens3 26.35 18.71 38.61 4.85 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 1.13 0.19 0.13 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 1.24 0.20 2.33 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 9.61 6.39 13.74 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9523) 04/29/26 _x86_64_ (2 CPU) 02:56:44 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:03 all 4.47 0.00 0.79 0.25 0.06 94.42 03:10:03 0 2.85 0.00 0.65 0.14 0.06 96.29 03:10:03 1 6.09 0.00 0.94 0.36 0.06 92.55 03:20:03 all 0.37 0.00 0.15 0.01 0.06 99.41 03:20:03 0 0.44 0.00 0.11 0.01 0.05 99.40 03:20:03 1 0.31 0.00 0.19 0.01 0.08 99.42 03:30:01 all 0.39 0.00 0.22 0.02 0.07 99.30 03:30:01 0 0.35 0.00 0.21 0.02 0.06 99.37 03:30:01 1 0.44 0.00 0.22 0.03 0.07 99.24 Average: all 1.75 0.00 0.39 0.09 0.06 97.71 Average: 0 1.22 0.00 0.32 0.06 0.06 98.35 Average: 1 2.28 0.00 0.45 0.13 0.07 97.06