---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15695 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 823 5086 4 2322 7118 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:00:e0:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84210sec preferred_lft 84210sec inet6 fe80::f816:3eff:fe00:e0ad/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-15695) 05/16/26 _x86_64_ (2 CPU) 02:57:49 LINUX RESTART (2 CPU) 03:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 12.67 1.41 9.91 1.36 116.88 1751.30 361.02 03:20:08 1.92 0.26 1.64 0.02 30.68 191.35 0.55 03:30:08 1.55 0.01 1.49 0.06 1.05 47.20 0.79 Average: 5.35 0.55 4.32 0.47 49.28 658.45 119.66 03:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5281784 7393384 378312 4.65 84028 2192084 724812 7.89 606744 1961428 212 03:20:08 5183644 7357748 412932 5.08 84364 2253672 923144 10.05 625328 2014624 304 03:30:08 5186920 7370320 400296 4.92 84576 2262604 708776 7.72 617032 2023456 380 Average: 5217449 7373817 397180 4.88 84323 2236120 785577 8.56 616368 1999836 299 03:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 03:10:01 ens3 72.71 54.74 55.70 11.77 0.00 0.00 0.00 0.00 03:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 57.79 56.91 31.19 5.63 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 27.14 25.52 14.30 3.00 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 52.52 45.74 33.66 6.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15695) 05/16/26 _x86_64_ (2 CPU) 02:57:49 LINUX RESTART (2 CPU) 03:00:06 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 9.15 0.00 1.19 0.85 0.06 88.75 03:10:01 0 8.08 0.00 1.11 0.62 0.05 90.13 03:10:01 1 10.21 0.00 1.27 1.08 0.07 87.37 03:20:08 all 7.07 0.00 0.90 0.02 0.07 91.93 03:20:08 0 4.93 0.00 0.69 0.01 0.07 94.29 03:20:08 1 9.22 0.00 1.11 0.03 0.08 89.56 03:30:08 all 4.99 0.00 0.53 0.08 0.07 94.32 03:30:08 0 5.24 0.00 0.57 0.02 0.07 94.11 03:30:08 1 4.75 0.00 0.49 0.15 0.07 94.53 Average: all 7.07 0.00 0.87 0.32 0.07 91.68 Average: 0 6.07 0.00 0.79 0.22 0.06 92.86 Average: 1 8.06 0.00 0.96 0.42 0.07 90.50