---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9489 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 7.9G 30G 21% / 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 777 5271 4 2181 7164 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:09:d0:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82382sec preferred_lft 82382sec inet6 fe80::f816:3eff:fe09:d05c/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-9489) 04/29/26 _x86_64_ (2 CPU) 00:40:30 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.49 0.01 1.47 0.01 0.05 17.63 436.06 01:10:19 1.40 0.00 1.39 0.02 0.00 16.26 1.16 01:20:20 1.91 0.25 1.63 0.03 30.94 74.12 1.49 01:30:01 1.63 0.00 1.60 0.03 0.00 19.00 675.62 01:40:00 1.84 0.40 1.42 0.02 15.85 48.07 1.20 Average: 1.65 0.13 1.50 0.02 9.37 35.01 218.92 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6279056 7530368 290152 3.57 30904 1425996 539056 5.87 442380 1187836 164 01:10:19 6279056 7530912 289568 3.56 31124 1426316 539004 5.87 442484 1188376 136 01:20:20 6251264 7529760 290280 3.57 31508 1452224 733020 7.98 457440 1205892 228 01:30:01 6250104 7529184 290528 3.57 31712 1452552 733156 7.99 457252 1206436 280 01:40:00 6221232 7515560 303964 3.74 32052 1467272 751668 8.19 485500 1219964 276 Average: 6256142 7527157 292898 3.60 31460 1444872 659181 7.18 457011 1201701 217 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.55 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:19 ens3 0.43 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.75 0.25 3.20 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 9.26 4.58 20.00 3.15 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 2.25 1.00 4.68 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9489) 04/29/26 _x86_64_ (2 CPU) 00:40:30 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.16 0.01 0.03 99.54 01:00:01 0 0.32 0.00 0.17 0.02 0.03 99.47 01:00:01 1 0.19 0.00 0.16 0.00 0.03 99.61 01:10:19 all 0.23 0.00 0.08 0.01 0.03 99.66 01:10:19 0 0.40 0.00 0.06 0.00 0.02 99.52 01:10:19 1 0.06 0.00 0.10 0.01 0.04 99.79 01:20:20 all 0.38 0.00 0.10 0.02 0.03 99.47 01:20:20 0 0.12 0.00 0.08 0.01 0.03 99.77 01:20:20 1 0.65 0.00 0.12 0.03 0.04 99.16 01:30:01 all 0.28 0.00 0.17 0.01 0.03 99.52 01:30:01 0 0.37 0.00 0.16 0.01 0.03 99.43 01:30:01 1 0.18 0.00 0.18 0.00 0.03 99.61 01:40:00 all 0.50 0.00 0.09 0.01 0.03 99.37 01:40:00 0 0.63 0.00 0.10 0.02 0.02 99.24 01:40:00 1 0.37 0.00 0.09 0.01 0.03 99.50 Average: all 0.33 0.00 0.12 0.01 0.03 99.51 Average: 0 0.36 0.00 0.11 0.01 0.03 99.49 Average: 1 0.29 0.00 0.13 0.01 0.03 99.54