---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29405 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: 5599.94 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 8.1G 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 5013 4 2463 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:4c:29:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83646sec preferred_lft 83646sec inet6 fe80::f816:3eff:fe4c:2952/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29405) 06/22/26 _x86_64_ (2 CPU) 02:57:36 LINUX RESTART (2 CPU) 03:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:23 23.92 1.24 8.24 14.45 108.47 1122.24 107438.87 03:20:19 1.34 0.01 1.33 0.01 0.07 19.31 0.36 03:30:23 1.37 0.00 1.36 0.01 0.00 19.79 0.49 03:40:23 1.92 0.25 1.66 0.01 30.94 77.45 0.17 Average: 7.15 0.37 3.15 3.63 34.91 310.12 26901.12 03:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:23 5218484 7390520 376892 4.63 85920 2246724 607428 6.62 585456 2017892 240 03:20:19 5215244 7388600 378592 4.66 86080 2247892 608516 6.63 586912 2019212 224 03:30:23 5204936 7379456 387648 4.77 86216 2248904 609676 6.64 587404 2020376 188 03:40:23 5179876 7381300 385580 4.74 86488 2275468 815388 8.88 601740 2038448 132 Average: 5204635 7384969 382178 4.70 86176 2254747 660252 7.19 590378 2023982 196 03:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:23 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:23 ens3 6.60 5.24 35.44 1.52 0.00 0.00 0.00 0.00 03:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:19 ens3 0.46 0.20 0.09 0.05 0.00 0.00 0.00 0.00 03:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:23 ens3 0.75 0.39 0.19 0.13 0.00 0.00 0.00 0.00 03:40:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:23 ens3 1.09 0.65 3.25 0.10 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.23 1.62 9.76 0.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29405) 06/22/26 _x86_64_ (2 CPU) 02:57:36 LINUX RESTART (2 CPU) 03:00:21 CPU %user %nice %system %iowait %steal %idle 03:10:23 all 6.44 0.00 0.89 0.24 0.04 92.39 03:10:23 0 9.54 0.00 1.02 0.27 0.05 89.12 03:10:23 1 3.34 0.00 0.77 0.21 0.03 95.65 03:20:19 all 1.00 0.00 0.14 0.01 0.04 98.80 03:20:19 0 1.27 0.00 0.16 0.01 0.05 98.51 03:20:19 1 0.73 0.00 0.12 0.01 0.03 99.10 03:30:23 all 0.97 0.00 0.21 0.01 0.05 98.77 03:30:23 0 1.19 0.00 0.21 0.00 0.06 98.54 03:30:23 1 0.75 0.00 0.21 0.01 0.04 98.99 03:40:23 all 1.01 0.00 0.16 0.03 0.03 98.77 03:40:23 0 1.36 0.00 0.19 0.01 0.05 98.39 03:40:23 1 0.66 0.00 0.13 0.04 0.02 99.15 Average: all 2.36 0.00 0.35 0.07 0.04 97.18 Average: 0 3.34 0.00 0.40 0.07 0.05 96.14 Average: 1 1.37 0.00 0.31 0.07 0.03 98.22