---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31700 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 765 5123 4 2345 7176 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:22:97:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82791sec preferred_lft 82791sec inet6 fe80::f816:3eff:fe22:97cf/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-31700) 06/30/26 _x86_64_ (2 CPU) 00:34:53 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 14.95 0.01 1.48 13.46 0.20 29.24 106567.38 01:00:07 1.45 0.00 1.42 0.03 0.00 23.08 1.55 01:10:07 2.02 0.26 1.73 0.04 32.03 192.93 397.21 01:20:07 1.34 0.00 1.32 0.03 0.01 34.21 0.85 01:30:07 1.70 0.00 1.66 0.04 0.00 26.16 1.03 Average: 4.29 0.05 1.52 2.72 6.45 61.13 21393.60 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 5190184 7362552 404820 4.98 85832 2247296 638000 6.95 579680 2018744 228 01:00:07 5185216 7359576 407732 5.01 86012 2249108 657920 7.17 599856 2020732 244 01:10:07 5108788 7345040 421820 5.19 86352 2310256 661360 7.20 610272 2073148 136 01:20:07 5117252 7359288 407504 5.01 86536 2315780 650564 7.09 599184 2078856 272 01:30:07 5074312 7318648 448076 5.51 86732 2317828 682484 7.43 631072 2080972 64 Average: 5135150 7349021 417990 5.14 86293 2288054 658066 7.17 604013 2054490 189 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 20.73 19.27 223.74 1.78 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 8.49 8.11 61.29 0.89 0.00 0.00 0.00 0.00 01:10:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 13.62 12.25 159.82 1.20 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 17.17 16.62 142.07 1.97 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 13.40 13.04 140.10 1.16 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.68 13.86 145.40 1.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31700) 06/30/26 _x86_64_ (2 CPU) 00:34:53 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 1.11 0.00 0.29 0.03 0.06 98.51 00:50:07 0 1.05 0.00 0.25 0.05 0.06 98.60 00:50:07 1 1.18 0.00 0.33 0.01 0.06 98.42 01:00:07 all 3.00 0.00 0.43 0.01 0.06 96.50 01:00:07 0 4.25 0.00 0.55 0.02 0.06 95.12 01:00:07 1 1.77 0.00 0.31 0.01 0.06 97.85 01:10:07 all 4.85 0.00 0.54 0.02 0.07 94.52 01:10:07 0 4.69 0.00 0.55 0.02 0.07 94.68 01:10:07 1 5.02 0.00 0.53 0.02 0.07 94.36 01:20:07 all 1.98 0.00 0.29 0.01 0.07 97.65 01:20:07 0 2.18 0.00 0.25 0.01 0.06 97.51 01:20:07 1 1.78 0.00 0.33 0.01 0.08 97.80 01:30:07 all 0.90 0.00 0.31 0.01 0.07 98.71 01:30:07 0 1.00 0.00 0.27 0.01 0.07 98.65 01:30:07 1 0.80 0.00 0.34 0.01 0.07 98.78 Average: all 2.36 0.00 0.37 0.02 0.07 97.19 Average: 0 2.62 0.00 0.37 0.02 0.06 96.93 Average: 1 2.10 0.00 0.37 0.01 0.07 97.46