---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1439 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 773 5176 4 2285 7168 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:24:6f:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84156sec preferred_lft 84156sec inet6 fe80::f816:3eff:fe24:6f2b/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-1439) 08/02/26 _x86_64_ (2 CPU) 05:13:55 LINUX RESTART (2 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:29 0.94 0.01 0.91 0.02 0.05 13.70 0.56 05:40:39 0.87 0.00 0.85 0.02 0.00 12.08 1.18 05:50:19 17.32 0.31 2.34 14.67 34.40 161.51 112287.52 Average: 6.14 0.10 1.35 4.69 11.00 60.33 35838.70 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:29 5204768 7398852 367860 4.52 86596 2267264 683176 7.44 603432 2031612 84 05:40:39 5203256 7397812 368888 4.54 86720 2267624 683240 7.44 603596 2032088 84 05:50:19 5327376 7357884 417964 5.14 88228 2110216 700200 7.63 653736 1866932 26404 Average: 5245133 7384849 384904 4.73 87181 2215035 688872 7.50 620255 1976877 8857 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:29 ens3 1.00 0.21 0.15 0.05 0.00 0.00 0.00 0.00 05:40:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:39 ens3 0.67 0.23 0.13 0.06 0.00 0.00 0.00 0.00 05:50:19 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 05:50:19 ens3 6.41 4.69 11.54 2.36 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.61 1.65 3.78 0.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1439) 08/02/26 _x86_64_ (2 CPU) 05:13:55 LINUX RESTART (2 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:29 all 0.41 0.00 0.22 0.01 0.08 99.29 05:30:29 0 0.32 0.00 0.27 0.01 0.11 99.29 05:30:29 1 0.49 0.00 0.16 0.00 0.05 99.29 05:40:39 all 0.37 0.00 0.12 0.01 0.08 99.42 05:40:39 0 0.25 0.00 0.16 0.00 0.11 99.48 05:40:39 1 0.49 0.00 0.08 0.01 0.05 99.37 05:50:19 all 2.09 0.00 0.33 0.07 0.08 97.43 05:50:19 0 0.74 0.00 0.29 0.06 0.12 98.79 05:50:19 1 3.43 0.00 0.36 0.09 0.05 96.07 Average: all 0.93 0.00 0.22 0.03 0.08 98.74 Average: 0 0.43 0.00 0.24 0.02 0.11 99.19 Average: 1 1.43 0.00 0.20 0.03 0.05 98.29