---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15919 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 805 5191 4 2241 7136 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:8a:d3:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83057sec preferred_lft 83057sec inet6 fe80::f816:3eff:fe8a:d3d4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15919) 05/17/26 _x86_64_ (2 CPU) 00:16:52 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:16 1.47 0.05 1.41 0.01 3.31 18.15 425.74 00:40:33 22.18 3.17 16.84 2.16 249.95 3129.83 602.30 00:50:01 1.26 0.01 1.25 0.00 0.51 18.30 0.25 01:00:34 14.97 12.82 2.06 0.09 142.77 44.99 7.30 01:10:16 1.40 0.00 1.38 0.02 0.00 16.28 1.11 Average: 8.49 3.35 4.67 0.47 81.92 660.39 211.87 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:16 6281720 7529400 291320 3.58 30580 1422976 529012 5.76 443144 1183276 124 00:40:33 5300072 7415980 355612 4.37 84436 2195616 789724 8.60 587964 1955892 124 00:50:01 5255380 7372060 399584 4.91 84576 2196300 858632 9.35 630012 1956716 168 01:00:34 5164936 7337912 424796 5.22 88048 2240948 858632 9.35 630708 2004228 124 01:10:16 5164684 7338336 424368 5.22 88240 2241432 858632 9.35 631132 2004776 200 Average: 5433358 7398738 379136 4.66 75176 2059454 778926 8.48 584592 1820978 148 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:16 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 1.13 0.14 0.17 0.06 0.00 0.00 0.00 0.00 00:40:33 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 00:40:33 ens3 66.53 44.27 297.54 11.25 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.29 0.86 0.58 0.16 0.00 0.00 0.00 0.00 01:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:34 ens3 0.60 0.24 0.12 0.05 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 0.76 0.33 0.16 0.06 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.55 9.37 61.10 2.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15919) 05/17/26 _x86_64_ (2 CPU) 00:16:52 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:16 all 0.31 0.00 0.16 0.01 0.03 99.49 00:30:16 0 0.19 0.00 0.17 0.00 0.03 99.61 00:30:16 1 0.43 0.00 0.15 0.02 0.02 99.38 00:40:33 all 10.58 0.00 1.60 0.46 0.04 87.31 00:40:33 0 11.45 0.00 1.66 0.27 0.05 86.56 00:40:33 1 9.71 0.00 1.55 0.65 0.04 88.06 00:50:01 all 0.49 0.00 0.15 0.01 0.05 99.30 00:50:01 0 0.47 0.00 0.10 0.00 0.03 99.40 00:50:01 1 0.52 0.00 0.20 0.01 0.07 99.20 01:00:34 all 0.41 0.17 0.28 0.13 0.05 98.95 01:00:34 0 0.46 0.01 0.20 0.02 0.04 99.27 01:00:34 1 0.36 0.34 0.36 0.25 0.07 98.63 01:10:16 all 0.38 0.00 0.13 0.01 0.04 99.44 01:10:16 0 0.27 0.00 0.17 0.01 0.06 99.49 01:10:16 1 0.50 0.00 0.09 0.00 0.03 99.39 Average: all 2.48 0.04 0.47 0.13 0.04 96.84 Average: 0 2.62 0.00 0.47 0.06 0.04 96.81 Average: 1 2.34 0.07 0.48 0.19 0.05 96.87