---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22117 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: 5599.86 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 848 4997 4 2388 7093 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:57:0b:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83439sec preferred_lft 83439sec inet6 fe80::f816:3eff:fe57:ba5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22117) 06/01/26 _x86_64_ (2 CPU) 02:57:49 LINUX RESTART (2 CPU) 03:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:14 10.76 1.27 8.12 1.37 110.88 1328.70 422.27 03:20:14 2.03 0.26 1.73 0.04 31.04 168.71 1.88 03:30:00 1.57 0.01 1.48 0.07 1.28 79.25 2.96 03:40:14 1.30 0.00 1.27 0.03 0.00 28.77 1.77 Average: 3.91 0.39 3.15 0.38 35.79 401.07 107.21 03:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:14 5209764 7389732 378468 4.65 85468 2255592 688384 7.50 607192 2025760 1084 03:20:14 5091276 7326356 441028 5.42 85812 2309976 920664 10.03 656928 2071684 1684 03:30:00 5080028 7332476 434764 5.35 86004 2326844 700356 7.63 652844 2088484 232 03:40:14 5084872 7341628 425552 5.23 86220 2330884 700356 7.63 652860 2092736 236 Average: 5116485 7347548 419953 5.16 85876 2305824 752440 8.20 642456 2069666 809 03:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:14 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:10:14 ens3 97.26 76.83 56.21 13.27 0.00 0.00 0.00 0.00 03:20:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 14.29 14.41 16.19 1.18 0.00 0.00 0.00 0.00 03:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:00 ens3 13.91 13.56 9.96 1.21 0.00 0.00 0.00 0.00 03:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:14 ens3 24.16 23.98 4.79 1.68 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 37.46 32.25 21.76 4.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22117) 06/01/26 _x86_64_ (2 CPU) 02:57:49 LINUX RESTART (2 CPU) 03:00:14 CPU %user %nice %system %iowait %steal %idle 03:10:14 all 8.65 0.00 1.35 0.97 0.07 88.96 03:10:14 0 7.31 0.00 1.32 0.13 0.07 91.17 03:10:14 1 9.99 0.00 1.38 1.82 0.07 86.74 03:20:14 all 4.17 0.00 0.54 0.02 0.09 95.18 03:20:14 0 5.61 0.00 0.62 0.01 0.10 93.66 03:20:14 1 2.73 0.00 0.46 0.03 0.08 96.71 03:30:00 all 3.53 0.00 0.55 0.01 0.08 95.84 03:30:00 0 2.42 0.00 0.38 0.01 0.06 97.12 03:30:00 1 4.64 0.00 0.72 0.00 0.09 94.55 03:40:14 all 1.53 0.00 0.34 0.01 0.08 98.04 03:40:14 0 1.48 0.00 0.33 0.01 0.07 98.11 03:40:14 1 1.58 0.00 0.36 0.00 0.09 97.97 Average: all 4.46 0.00 0.69 0.25 0.08 94.52 Average: 0 4.20 0.00 0.66 0.04 0.07 95.02 Average: 1 4.72 0.00 0.72 0.46 0.08 94.01