---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7312 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 802 5119 4 2308 7139 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:ec:3f:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83441sec preferred_lft 83441sec inet6 fe80::f816:3eff:feec:3f4c/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-7312) 04/24/26 _x86_64_ (2 CPU) 03:16:37 LINUX RESTART (2 CPU) 03:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:01 9.03 1.22 6.89 0.92 105.11 1093.86 498.03 03:40:08 2.01 0.32 1.67 0.03 38.62 167.64 1.11 03:50:01 1.32 0.01 1.27 0.04 1.27 60.42 1.86 04:00:01 1.63 0.00 1.58 0.05 0.00 32.55 2.11 Average: 3.50 0.39 2.85 0.26 36.37 339.04 125.83 03:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 5300532 7399920 372412 4.58 84024 2179888 681492 7.42 599628 1949388 264 03:40:08 5185268 7342300 428824 5.27 84344 2236720 911296 9.93 644648 1995476 684 03:50:01 5185016 7355664 415700 5.11 84560 2249892 685164 7.46 639380 2008600 204 04:00:01 5188372 7363364 407940 5.02 84776 2253948 685164 7.46 639388 2012872 260 Average: 5214797 7365312 406219 4.99 84426 2230112 740779 8.07 630761 1991584 353 03:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:30:01 ens3 83.60 70.46 54.80 11.35 0.00 0.00 0.00 0.00 03:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:08 ens3 14.33 14.39 16.14 1.20 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 13.53 13.40 6.83 1.13 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 25.05 24.79 5.23 1.74 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 34.14 30.77 20.78 3.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7312) 04/24/26 _x86_64_ (2 CPU) 03:16:37 LINUX RESTART (2 CPU) 03:20:01 CPU %user %nice %system %iowait %steal %idle 03:30:01 all 7.11 0.00 1.29 0.17 0.07 91.36 03:30:01 0 6.34 0.00 1.27 0.23 0.07 92.10 03:30:01 1 7.89 0.00 1.31 0.11 0.07 90.63 03:40:08 all 4.14 0.00 0.60 0.02 0.08 95.15 03:40:08 0 4.08 0.00 0.52 0.03 0.08 95.29 03:40:08 1 4.20 0.00 0.68 0.01 0.08 95.02 03:50:01 all 3.06 0.00 0.43 0.01 0.09 96.41 03:50:01 0 3.53 0.00 0.51 0.01 0.10 95.86 03:50:01 1 2.59 0.00 0.36 0.01 0.08 96.95 04:00:01 all 1.55 0.00 0.41 0.01 0.09 97.93 04:00:01 0 1.68 0.00 0.41 0.00 0.10 97.81 04:00:01 1 1.42 0.00 0.41 0.03 0.08 98.06 Average: all 3.97 0.00 0.69 0.05 0.08 95.21 Average: 0 3.91 0.00 0.68 0.07 0.09 95.26 Average: 1 4.03 0.00 0.69 0.04 0.08 95.16