---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39288 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 802 5066 4 2374 7139 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:0e:25:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50469sec preferred_lft 50469sec inet6 fe80::f816:3eff:fe0e:25ca/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-39288) 07/28/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.78 0.02 1.75 0.02 0.81 21.15 0.23 00:20:08 1.82 0.11 1.69 0.03 3.05 23.80 482.03 00:30:01 1.70 0.00 1.69 0.01 0.00 18.99 0.23 00:40:08 24.69 2.80 19.62 2.27 221.07 3428.45 456.22 00:50:08 1.56 0.00 1.55 0.01 0.00 23.65 0.17 Average: 6.37 0.59 5.30 0.47 45.53 711.65 188.91 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6113444 7514740 294156 3.62 54264 1542924 549128 5.98 482204 1314252 388 00:20:08 6127968 7490880 317940 3.91 54420 1504324 546296 5.95 480748 1275592 268 00:30:01 6133628 7497032 311748 3.83 54572 1504648 546296 5.95 480748 1276072 168 00:40:08 5070260 7368572 387396 4.76 105828 2343116 668044 7.28 632484 2120676 300 00:50:08 5005848 7306100 449664 5.53 105916 2344992 746816 8.13 652496 2122636 432 Average: 5690230 7435465 352181 4.33 75000 1848001 611316 6.66 545736 1621846 311 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.26 0.08 0.09 0.05 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 0.11 0.04 0.03 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.48 0.13 0.18 0.09 0.00 0.00 0.00 0.00 00:40:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 70.68 47.93 321.66 12.66 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 12.59 9.92 72.22 1.03 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.00 11.74 79.63 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39288) 07/28/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.26 0.00 0.10 0.01 0.02 99.61 00:10:08 0 0.46 0.00 0.09 0.01 0.02 99.42 00:10:08 1 0.05 0.00 0.11 0.01 0.03 99.79 00:20:08 all 0.64 0.00 0.22 0.02 0.02 99.10 00:20:08 0 0.69 0.00 0.20 0.03 0.02 99.07 00:20:08 1 0.59 0.00 0.23 0.02 0.03 99.13 00:30:01 all 0.27 0.00 0.17 0.02 0.02 99.52 00:30:01 0 0.16 0.00 0.20 0.01 0.02 99.60 00:30:01 1 0.38 0.00 0.13 0.02 0.02 99.45 00:40:08 all 11.85 0.00 1.71 0.47 0.05 85.92 00:40:08 0 11.00 0.00 1.57 0.43 0.05 86.95 00:40:08 1 12.70 0.00 1.85 0.51 0.05 84.90 00:50:08 all 0.94 0.00 0.23 0.01 0.06 98.77 00:50:08 0 0.92 0.00 0.22 0.01 0.06 98.79 00:50:08 1 0.97 0.00 0.23 0.01 0.06 98.74 Average: all 2.82 0.00 0.49 0.11 0.03 96.55 Average: 0 2.67 0.00 0.46 0.10 0.03 96.74 Average: 1 2.97 0.00 0.51 0.12 0.04 96.37