---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22430 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 837 5032 4 2363 7104 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:4d:4c:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84629sec preferred_lft 84629sec inet6 fe80::f816:3eff:fe4d:4c71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22430) 06/02/26 _x86_64_ (2 CPU) 01:48:37 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 28.58 1.61 11.81 15.17 123.44 2409.31 107355.09 02:10:05 1.28 0.01 1.27 0.01 0.05 93.52 0.60 Average: 14.86 0.80 6.51 7.55 61.43 1245.52 53404.44 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 5205136 7389156 378900 4.66 85484 2259564 708296 7.71 605768 2030132 160 02:10:05 5175256 7383544 384224 4.72 85656 2283588 714156 7.78 611868 2054324 644 Average: 5190196 7386350 381562 4.69 85570 2271576 711226 7.75 608818 2042228 402 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:00:00 ens3 89.29 69.20 123.37 13.73 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 60.02 57.92 24.67 5.70 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 74.58 63.53 73.77 9.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22430) 06/02/26 _x86_64_ (2 CPU) 01:48:37 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 11.38 0.00 1.72 0.32 0.06 86.53 02:00:00 0 10.38 0.00 1.47 0.35 0.06 87.74 02:00:00 1 12.37 0.00 1.97 0.29 0.06 85.31 02:10:05 all 6.14 0.00 0.81 0.01 0.08 92.96 02:10:05 0 8.70 0.00 0.83 0.01 0.09 90.37 02:10:05 1 3.59 0.00 0.79 0.00 0.08 95.54 Average: all 8.75 0.00 1.27 0.16 0.07 89.75 Average: 0 9.54 0.00 1.15 0.18 0.07 89.06 Average: 1 7.96 0.00 1.38 0.15 0.07 90.44