---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23904 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 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 779 5027 4 2436 7162 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:1a:d6:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 52313sec preferred_lft 52313sec inet6 fe80::f816:3eff:fe1a:d677/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23904) 06/06/26 _x86_64_ (2 CPU) 00:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.79 0.02 1.76 0.02 0.84 21.03 0.21 00:20:19 1.97 0.10 1.84 0.03 2.97 25.21 238.61 00:30:19 24.25 3.14 18.81 2.31 228.98 3449.00 644.56 Average: 9.34 1.09 7.47 0.78 77.61 1165.11 296.78 00:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6127308 7525976 283112 3.48 57020 1537572 545548 5.94 470800 1311656 356 00:20:19 6144440 7505108 303856 3.74 57160 1499380 542912 5.91 469544 1273380 236 00:30:19 5157908 7439224 317688 3.91 107684 2324992 582292 6.34 562812 2104076 2408 Average: 5809885 7490103 301552 3.71 73955 1787315 556917 6.07 501052 1563037 1000 00:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.31 0.06 0.09 0.04 0.00 0.00 0.00 0.00 00:20:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:19 ens3 0.25 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:19 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:30:19 ens3 62.88 44.16 316.72 11.91 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.15 14.77 105.62 3.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23904) 06/06/26 _x86_64_ (2 CPU) 00:00:19 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.10 0.01 0.03 99.64 00:10:01 0 0.36 0.00 0.07 0.01 0.02 99.55 00:10:01 1 0.08 0.00 0.14 0.01 0.04 99.74 00:20:19 all 0.65 0.00 0.20 0.01 0.03 99.11 00:20:19 0 0.46 0.00 0.19 0.01 0.04 99.30 00:20:19 1 0.85 0.00 0.20 0.01 0.02 98.92 00:30:19 all 11.53 0.00 1.73 0.45 0.05 86.24 00:30:19 0 10.89 0.00 1.75 0.32 0.05 86.98 00:30:19 1 12.17 0.00 1.71 0.57 0.05 85.50 Average: all 4.14 0.00 0.68 0.16 0.04 95.00 Average: 0 3.90 0.00 0.67 0.12 0.03 95.28 Average: 1 4.37 0.00 0.68 0.19 0.04 94.71