---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7270 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 738 5236 4 2255 7203 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:63:0e:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82726sec preferred_lft 82726sec inet6 fe80::f816:3eff:fe63:ecd/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-7270) 04/24/26 _x86_64_ (2 CPU) 02:00:20 LINUX RESTART (2 CPU) 02:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 1.31 0.01 1.29 0.01 0.07 21.46 0.66 02:30:07 14.86 0.00 1.54 13.32 0.15 22.56 105742.78 02:40:07 1.33 0.00 1.31 0.02 0.00 137.17 399.17 02:50:01 1.41 0.00 1.38 0.03 0.00 32.52 3.85 03:00:01 2.07 0.32 1.68 0.06 40.45 81.96 5.36 Average: 4.23 0.07 1.44 2.72 8.15 59.24 21525.12 02:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 5220664 7303300 468596 5.76 84068 2163052 636452 6.93 579444 1932484 420 02:30:07 5310924 7394780 376940 4.63 84216 2164112 655264 7.14 598808 1933680 176 02:40:07 5279580 7400072 371588 4.57 84408 2200492 644140 7.02 586808 1970248 252 02:50:01 5220592 7345948 425624 5.23 84612 2205108 679732 7.40 622812 1975048 168 03:00:01 5512248 7483260 296712 3.65 84920 2057976 550508 6.00 540396 1816640 3804 Average: 5308802 7385472 387892 4.77 84445 2158148 633219 6.90 585654 1925620 964 02:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 11.57 11.07 170.61 1.03 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 3.12 2.74 5.02 0.47 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 12.56 11.54 157.07 1.42 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 17.17 16.52 255.28 1.78 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 9.44 8.34 60.76 1.09 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 10.74 10.01 129.11 1.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7270) 04/24/26 _x86_64_ (2 CPU) 02:00:20 LINUX RESTART (2 CPU) 02:10:11 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 0.89 0.00 0.24 0.01 0.05 98.81 02:20:01 0 0.67 0.00 0.20 0.01 0.04 99.08 02:20:01 1 1.12 0.00 0.27 0.01 0.05 98.54 02:30:07 all 6.17 0.00 0.89 0.04 0.07 92.83 02:30:07 0 10.88 0.00 1.40 0.02 0.08 87.62 02:30:07 1 1.74 0.00 0.41 0.05 0.05 97.76 02:40:07 all 2.45 0.00 0.35 0.01 0.05 97.15 02:40:07 0 2.32 0.00 0.32 0.01 0.06 97.29 02:40:07 1 2.58 0.00 0.38 0.01 0.04 97.00 02:50:01 all 1.89 0.00 0.38 0.01 0.04 97.68 02:50:01 0 2.10 0.00 0.32 0.02 0.05 97.52 02:50:01 1 1.68 0.00 0.44 0.00 0.04 97.84 03:00:01 all 1.55 0.00 0.39 0.02 0.04 98.00 03:00:01 0 1.26 0.00 0.46 0.02 0.04 98.21 03:00:01 1 1.83 0.00 0.31 0.02 0.04 97.79 Average: all 2.58 0.00 0.45 0.02 0.05 96.91 Average: 0 3.38 0.00 0.53 0.02 0.05 96.02 Average: 1 1.79 0.00 0.36 0.02 0.04 97.79