---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23537 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 765 5205 4 2262 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:b8:90:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82426sec preferred_lft 82426sec inet6 fe80::f816:3eff:feb8:90b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23537) 06/04/26 _x86_64_ (2 CPU) 00:42:27 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.43 0.01 1.39 0.03 0.05 17.75 428.09 01:10:14 1.12 0.00 1.10 0.01 0.00 13.85 0.97 01:20:01 14.05 0.01 1.21 12.83 0.16 15.18 111557.66 01:30:15 1.28 0.00 1.26 0.03 0.00 16.14 427.27 01:40:15 1.19 0.00 1.18 0.02 0.00 14.83 1.20 Average: 3.75 0.00 1.23 2.52 0.04 15.56 21898.50 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6257544 7530564 289220 3.56 30884 1447424 719112 7.83 465672 1200616 176 01:10:14 6272720 7546264 273576 3.36 31068 1447752 719268 7.83 465768 1201136 184 01:20:01 6273332 7547464 272292 3.35 31264 1448132 719268 7.83 466100 1201684 152 01:30:15 6258996 7533672 286028 3.52 31464 1448456 719352 7.84 466132 1202208 192 01:40:15 6265828 7541168 278524 3.42 31672 1448912 719396 7.84 466460 1202740 184 Average: 6265684 7539826 279928 3.44 31270 1448135 719279 7.83 466026 1201677 178 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.76 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.70 0.05 7.24 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.67 0.09 0.58 0.06 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.46 0.11 0.14 0.08 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 0.58 0.07 1.62 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23537) 06/04/26 _x86_64_ (2 CPU) 00:42:27 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.24 0.00 0.16 0.01 0.04 99.55 01:00:13 0 0.25 0.00 0.16 0.01 0.04 99.54 01:00:13 1 0.22 0.00 0.16 0.01 0.04 99.56 01:10:14 all 0.21 0.00 0.07 0.01 0.04 99.67 01:10:14 0 0.06 0.00 0.10 0.01 0.06 99.77 01:10:14 1 0.35 0.00 0.05 0.01 0.03 99.57 01:20:01 all 0.26 0.00 0.09 0.03 0.04 99.57 01:20:01 0 0.41 0.00 0.10 0.06 0.04 99.39 01:20:01 1 0.12 0.00 0.08 0.01 0.04 99.75 01:30:15 all 0.26 0.00 0.16 0.01 0.04 99.53 01:30:15 0 0.38 0.00 0.15 0.00 0.03 99.43 01:30:15 1 0.13 0.00 0.16 0.02 0.04 99.64 01:40:15 all 0.24 0.00 0.07 0.01 0.04 99.64 01:40:15 0 0.33 0.00 0.05 0.00 0.03 99.58 01:40:15 1 0.14 0.00 0.08 0.02 0.05 99.71 Average: all 0.24 0.00 0.11 0.02 0.04 99.59 Average: 0 0.29 0.00 0.11 0.02 0.04 99.54 Average: 1 0.19 0.00 0.11 0.01 0.04 99.64