---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20231 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 761 5150 4 2329 7180 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:bd:0a:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8791sec preferred_lft 8791sec inet6 fe80::f816:3eff:febd:a42/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20231) 05/27/26 _x86_64_ (2 CPU) 00:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.69 0.01 1.66 0.01 0.81 19.77 0.20 00:20:10 1.64 0.12 1.50 0.03 3.63 21.88 552.76 00:30:11 4.12 1.35 2.70 0.07 97.67 251.02 3.90 Average: 2.49 0.49 1.95 0.04 34.06 97.61 185.54 00:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6113196 7502232 307128 3.78 53512 1531972 540608 5.89 476496 1304452 184 00:20:10 6134396 7485456 323792 3.98 53632 1493812 538188 5.86 475240 1266076 260 00:30:11 5892860 7395828 405556 4.99 64896 1627840 654080 7.12 609864 1398400 64784 Average: 6046817 7461172 345492 4.25 57347 1551208 577625 6.29 520533 1322976 21743 00:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.29 0.07 0.09 0.04 0.00 0.00 0.00 0.00 00:20:10 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:10 ens3 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:11 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 18.21 11.78 89.61 4.88 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.22 3.97 29.93 1.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20231) 05/27/26 _x86_64_ (2 CPU) 00:00:10 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.22 0.00 0.10 0.01 0.02 99.65 00:10:10 0 0.10 0.00 0.12 0.02 0.03 99.74 00:10:10 1 0.35 0.00 0.07 0.01 0.01 99.56 00:20:10 all 0.65 0.00 0.21 0.01 0.02 99.10 00:20:10 0 0.52 0.00 0.22 0.02 0.03 99.22 00:20:10 1 0.79 0.00 0.19 0.01 0.01 98.99 00:30:11 all 1.62 0.00 0.38 0.08 0.02 97.89 00:30:11 0 1.03 0.00 0.35 0.08 0.02 98.52 00:30:11 1 2.22 0.00 0.42 0.09 0.02 97.26 Average: all 0.83 0.00 0.23 0.04 0.02 98.88 Average: 0 0.55 0.00 0.23 0.04 0.03 99.16 Average: 1 1.12 0.00 0.23 0.03 0.02 98.60