---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2707 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: 5599.94 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 22% / 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 836 5082 4 2312 7105 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:8e:83:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84187sec preferred_lft 84187sec inet6 fe80::f816:3eff:fe8e:839e/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-2707) 04/14/26 _x86_64_ (2 CPU) 06:17:40 LINUX RESTART (2 CPU) 06:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:01 26.19 1.32 9.89 14.98 113.93 2911.34 109774.24 06:40:01 2.15 0.33 1.76 0.06 40.11 185.60 1.68 06:50:10 1.36 0.00 1.32 0.04 0.00 49.00 0.89 Average: 9.78 0.54 4.29 4.95 50.81 1035.03 36069.63 06:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:01 5299192 7397100 375388 4.62 83944 2178556 713332 7.77 605648 1946844 932 06:40:01 5217868 7377196 394216 4.85 84300 2239080 714028 7.78 618104 1996292 304 06:50:10 5212660 7382432 388928 4.78 84492 2249128 673240 7.33 618164 2006588 188 Average: 5243240 7385576 386177 4.75 84245 2222255 700200 7.63 613972 1983241 475 06:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 06:30:01 ens3 75.65 54.80 55.97 12.02 0.00 0.00 0.00 0.00 06:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:40:01 ens3 52.57 51.76 29.66 5.26 0.00 0.00 0.00 0.00 06:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:50:10 ens3 28.78 26.06 14.09 3.04 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 52.11 44.07 33.04 6.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2707) 04/14/26 _x86_64_ (2 CPU) 06:17:40 LINUX RESTART (2 CPU) 06:20:10 CPU %user %nice %system %iowait %steal %idle 06:30:01 all 9.59 0.00 1.32 1.54 0.05 87.50 06:30:01 0 7.49 0.00 1.19 1.67 0.05 89.60 06:30:01 1 11.69 0.00 1.44 1.42 0.06 85.40 06:40:01 all 6.62 0.00 0.97 0.04 0.06 92.31 06:40:01 0 6.88 0.00 0.94 0.05 0.06 92.08 06:40:01 1 6.36 0.00 1.01 0.03 0.06 92.54 06:50:10 all 5.14 0.00 0.47 0.01 0.06 94.31 06:50:10 0 3.35 0.00 0.43 0.01 0.06 96.15 06:50:10 1 6.93 0.00 0.51 0.01 0.07 92.48 Average: all 7.10 0.00 0.92 0.53 0.06 91.40 Average: 0 5.89 0.00 0.85 0.57 0.05 92.64 Average: 1 8.31 0.00 0.98 0.48 0.06 90.17