---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29871 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 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 743 5345 4 2142 7198 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:41:c5:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84171sec preferred_lft 84171sec inet6 fe80::f816:3eff:fe41:c53f/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-29871) 03/25/26 _x86_64_ (2 CPU) 00:38:55 LINUX RESTART (2 CPU) 00:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 17.04 1.74 13.51 1.79 134.29 2502.18 520.34 01:00:01 1.42 0.01 1.39 0.02 0.05 18.25 0.82 01:10:01 1.23 0.00 1.23 0.00 0.00 15.03 0.00 Average: 6.43 0.57 5.27 0.59 43.66 824.48 169.39 00:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 5332460 7407964 364472 4.48 83932 2156416 632224 6.89 576180 1925996 244 01:00:01 5330260 7406256 365856 4.50 84072 2156772 632288 6.89 576284 1926488 172 01:10:01 5330360 7406828 365292 4.49 84196 2157116 633488 6.90 576468 1926960 160 Average: 5331027 7407016 365207 4.49 84067 2156768 632667 6.89 576311 1926481 192 00:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.23 1.23 0.09 0.09 0.00 0.00 0.00 0.00 00:50:03 ens3 36.49 24.30 148.09 6.16 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.95 0.27 0.14 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.84 0.17 2.23 0.05 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 12.47 8.05 48.93 2.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29871) 03/25/26 _x86_64_ (2 CPU) 00:38:55 LINUX RESTART (2 CPU) 00:40:25 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 7.60 0.00 1.21 0.76 0.06 90.36 00:50:03 0 3.59 0.00 0.89 0.43 0.06 95.02 00:50:03 1 11.61 0.00 1.53 1.08 0.06 85.71 01:00:01 all 0.41 0.00 0.22 0.01 0.07 99.29 01:00:01 0 0.48 0.00 0.19 0.01 0.05 99.27 01:00:01 1 0.34 0.00 0.26 0.01 0.08 99.31 01:10:01 all 0.38 0.00 0.12 0.01 0.07 99.43 01:10:01 0 0.36 0.00 0.10 0.01 0.06 99.47 01:10:01 1 0.40 0.00 0.14 0.00 0.07 99.38 Average: all 2.74 0.00 0.51 0.25 0.07 96.44 Average: 0 1.45 0.00 0.39 0.15 0.06 97.96 Average: 1 4.02 0.00 0.63 0.36 0.07 94.91