---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2714 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 792 5105 4 2342 7149 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:12:a0:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 20532sec preferred_lft 20532sec inet6 fe80::f816:3eff:fe12:a03d/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-2714) 04/15/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:11 1.67 0.02 1.64 0.01 0.82 20.00 0.26 00:20:01 1.75 0.11 1.62 0.03 3.11 22.34 544.90 00:30:16 22.47 3.07 17.24 2.15 224.17 3034.43 887.54 Average: 8.80 1.09 6.96 0.75 77.85 1050.29 481.72 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:11 6128712 7516780 291908 3.59 51128 1533192 750748 8.18 477228 1299292 376 00:20:01 6129208 7485176 323432 3.98 51272 1500896 748696 8.15 475984 1266924 240 00:30:16 5262216 7447792 313008 3.85 101744 2239280 775976 8.45 559596 2010196 2460 Average: 5840045 7483249 309449 3.81 68048 1757789 758473 8.26 504269 1525471 1025 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:11 ens3 0.19 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.13 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:16 lo 1.30 1.30 0.11 0.11 0.00 0.00 0.00 0.00 00:30:16 ens3 56.94 40.61 291.37 11.33 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 19.55 13.91 99.55 3.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2714) 04/15/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:11 all 0.20 0.00 0.11 0.01 0.02 99.66 00:10:11 0 0.35 0.00 0.09 0.01 0.01 99.53 00:10:11 1 0.05 0.00 0.12 0.01 0.02 99.80 00:20:01 all 0.63 0.00 0.22 0.02 0.02 99.11 00:20:01 0 0.79 0.00 0.18 0.02 0.01 99.00 00:20:01 1 0.48 0.00 0.25 0.02 0.02 99.22 00:30:16 all 10.56 0.00 1.67 0.51 0.04 87.21 00:30:16 0 11.90 0.00 1.67 0.71 0.04 85.69 00:30:16 1 9.23 0.00 1.67 0.31 0.04 88.74 Average: all 3.88 0.00 0.68 0.18 0.02 95.23 Average: 0 4.43 0.00 0.66 0.25 0.02 94.63 Average: 1 3.33 0.00 0.69 0.12 0.03 95.83