---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25773 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 784 5020 4 2438 7157 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:09:0e:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80694sec preferred_lft 80694sec inet6 fe80::f816:3eff:fe09:e1a/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-25773) 06/09/26 _x86_64_ (2 CPU) 00:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.78 0.02 1.75 0.02 0.82 20.64 435.64 00:20:08 1.84 0.11 1.71 0.02 3.02 23.45 765.72 00:30:08 25.62 3.14 20.22 2.27 228.71 3419.65 1082.93 Average: 9.75 1.09 7.89 0.77 77.49 1154.18 762.36 00:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6112164 7510820 297316 3.66 53964 1540780 599160 6.53 481400 1312612 340 00:20:08 6133224 7493896 314108 3.86 54124 1502576 597176 6.50 480060 1274348 264 00:30:08 5145688 7427916 328000 4.03 105352 2328368 623524 6.79 563856 2105924 2408 Average: 5797025 7477544 313141 3.85 71147 1790575 606620 6.61 508439 1564295 1004 00:00:05 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 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.17 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:08 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:30:08 ens3 60.72 44.79 315.88 11.70 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 20.37 14.96 105.29 3.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25773) 06/09/26 _x86_64_ (2 CPU) 00:00:05 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.02 0.02 99.61 00:10:01 0 0.13 0.00 0.12 0.02 0.03 99.69 00:10:01 1 0.34 0.00 0.08 0.02 0.02 99.53 00:20:08 all 0.62 0.00 0.20 0.02 0.02 99.13 00:20:08 0 0.71 0.00 0.16 0.01 0.01 99.11 00:20:08 1 0.53 0.00 0.25 0.04 0.03 99.15 00:30:08 all 11.42 0.00 1.72 0.90 0.04 85.92 00:30:08 0 13.14 0.00 1.93 0.74 0.04 84.16 00:30:08 1 9.70 0.00 1.51 1.06 0.05 87.68 Average: all 4.09 0.00 0.68 0.31 0.03 94.89 Average: 0 4.66 0.00 0.74 0.25 0.03 94.32 Average: 1 3.52 0.00 0.62 0.37 0.04 95.46