---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29015 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 755 5213 4 2265 7186 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:15:35:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83651sec preferred_lft 83651sec inet6 fe80::f816:3eff:fe15:3582/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29015) 06/21/26 _x86_64_ (2 CPU) 00:16:31 LINUX RESTART (2 CPU) 00:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.46 0.03 1.42 0.01 1.24 17.76 655.99 00:40:02 24.86 3.01 19.51 2.34 226.93 3534.98 1367.62 00:50:02 1.25 0.00 1.24 0.01 0.00 16.28 0.96 01:00:01 1.92 0.25 1.64 0.03 31.04 77.04 0.68 Average: 7.39 0.82 5.97 0.60 64.99 914.52 507.11 00:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6287880 7539840 280668 3.45 30660 1427136 520388 5.67 441196 1187408 160 00:40:02 5238676 7411832 355744 4.37 86104 2247728 614220 6.69 580432 2017884 908 00:50:02 5238096 7411688 355916 4.38 86244 2248076 614224 6.69 580552 2018368 244 01:00:01 5171072 7371268 396056 4.87 86524 2274328 812740 8.85 595160 2036140 308 Average: 5483931 7433657 347096 4.27 72383 2049317 640393 6.98 549335 1814950 405 00:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.12 0.13 0.18 0.08 0.00 0.00 0.00 0.00 00:40:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 65.72 45.56 314.38 11.61 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 2.54 0.33 0.34 0.11 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.24 0.62 3.26 0.08 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.71 11.70 79.81 2.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29015) 06/21/26 _x86_64_ (2 CPU) 00:16:31 LINUX RESTART (2 CPU) 00:20:02 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.29 0.00 0.17 0.03 0.03 99.48 00:30:01 0 0.23 0.00 0.19 0.04 0.03 99.52 00:30:01 1 0.35 0.00 0.16 0.03 0.03 99.43 00:40:02 all 11.65 0.00 1.72 3.65 0.05 82.93 00:40:02 0 15.83 0.00 2.11 2.55 0.05 79.46 00:40:02 1 7.47 0.00 1.33 4.74 0.05 86.41 00:50:02 all 0.35 0.00 0.12 0.03 0.05 99.45 00:50:02 0 0.26 0.00 0.17 0.05 0.07 99.46 00:50:02 1 0.44 0.00 0.08 0.01 0.04 99.43 01:00:01 all 0.53 0.00 0.24 0.05 0.05 99.13 01:00:01 0 0.61 0.00 0.26 0.07 0.05 99.01 01:00:01 1 0.46 0.00 0.22 0.03 0.06 99.24 Average: all 3.21 0.00 0.57 0.94 0.05 95.23 Average: 0 4.24 0.00 0.68 0.68 0.05 94.35 Average: 1 2.18 0.00 0.45 1.21 0.04 96.12