---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16171 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 785 5214 4 2239 7156 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:19:99:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84159sec preferred_lft 84159sec inet6 fe80::f816:3eff:fe19:994e/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-16171) 05/18/26 _x86_64_ (2 CPU) 03:06:54 LINUX RESTART (2 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:34 8.27 1.15 6.26 0.86 98.74 1020.68 315.13 03:30:34 1.63 0.01 1.59 0.03 0.05 19.52 1.48 03:40:01 16.53 14.34 2.11 0.07 159.61 45.94 386.68 Average: 8.66 4.92 3.40 0.34 84.99 380.00 233.07 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:34 5325952 7414624 357612 4.40 84096 2169148 628992 6.85 576144 1938816 184 03:30:34 5305564 7394780 377232 4.64 84296 2169500 628992 6.85 576320 1939368 124 03:40:01 5239932 7385360 377812 4.65 87724 2214140 629144 6.85 577076 1986800 268 Average: 5290483 7398255 370885 4.56 85372 2184263 629043 6.85 576513 1954995 192 03:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:34 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 03:20:34 ens3 26.19 17.29 37.00 4.47 0.00 0.00 0.00 0.00 03:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:34 ens3 1.11 0.24 16.37 0.07 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.70 0.19 0.12 0.05 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 9.80 6.22 18.51 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16171) 05/18/26 _x86_64_ (2 CPU) 03:06:54 LINUX RESTART (2 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:34 all 4.53 0.00 0.78 0.14 0.05 94.49 03:20:34 0 4.42 0.00 0.72 0.12 0.03 94.71 03:20:34 1 4.65 0.00 0.85 0.17 0.06 94.27 03:30:34 all 0.41 0.00 0.23 0.01 0.04 99.31 03:30:34 0 0.46 0.00 0.20 0.01 0.03 99.31 03:30:34 1 0.36 0.00 0.26 0.01 0.05 99.32 03:40:01 all 0.38 0.19 0.20 0.14 0.04 99.05 03:40:01 0 0.52 0.01 0.09 0.01 0.02 99.36 03:40:01 1 0.24 0.37 0.32 0.27 0.06 98.73 Average: all 1.85 0.06 0.42 0.10 0.04 97.53 Average: 0 1.87 0.00 0.35 0.04 0.03 97.71 Average: 1 1.83 0.12 0.49 0.15 0.06 97.36