---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30964 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 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 760 5198 4 2274 7181 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:1c:9a:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82435sec preferred_lft 82435sec inet6 fe80::f816:3eff:fe1c:9ae8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30964) 06/27/26 _x86_64_ (2 CPU) 00:42:47 LINUX RESTART (2 CPU) 00:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 14.04 0.01 1.48 12.55 0.20 18.16 109835.09 01:10:01 1.18 0.00 1.17 0.02 0.00 14.28 1.23 01:20:15 1.25 0.00 1.23 0.02 0.01 15.41 1.29 01:30:15 1.91 0.25 1.62 0.04 30.97 76.89 654.99 01:40:01 1.25 0.01 1.23 0.02 1.08 15.25 1.16 Average: 3.94 0.05 1.35 2.54 6.48 28.07 22203.70 00:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 6302908 7550656 269760 3.32 30676 1422752 527832 5.75 442352 1183632 212 01:10:01 6309236 7557524 262892 3.23 30876 1423076 527952 5.75 442544 1184164 156 01:20:15 6308760 7557612 262800 3.23 31100 1423408 528020 5.75 442776 1184720 184 01:30:15 6250840 7526788 293028 3.60 31488 1449752 726208 7.91 457456 1202680 144 01:40:01 6250840 7527760 292060 3.59 31688 1450508 528176 5.75 452860 1203204 240 Average: 6284517 7544068 276108 3.40 31166 1433899 567638 6.18 447598 1191680 187 00:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.84 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.37 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.98 0.12 1.07 0.10 0.00 0.00 0.00 0.00 01:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.59 0.27 3.22 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.61 0.21 0.18 0.65 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 0.68 0.15 0.94 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30964) 06/27/26 _x86_64_ (2 CPU) 00:42:47 LINUX RESTART (2 CPU) 00:50:15 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 0.29 0.00 0.17 0.04 0.03 99.46 01:00:15 0 0.36 0.00 0.16 0.01 0.03 99.44 01:00:15 1 0.23 0.00 0.19 0.06 0.04 99.49 01:10:01 all 0.26 0.00 0.08 0.01 0.03 99.62 01:10:01 0 0.32 0.00 0.07 0.01 0.02 99.59 01:10:01 1 0.20 0.00 0.09 0.02 0.04 99.65 01:20:15 all 0.27 0.00 0.07 0.08 0.04 99.55 01:20:15 0 0.06 0.00 0.08 0.02 0.04 99.80 01:20:15 1 0.48 0.00 0.06 0.13 0.03 99.30 01:30:15 all 0.40 0.00 0.19 0.03 0.03 99.35 01:30:15 0 0.37 0.00 0.19 0.02 0.03 99.39 01:30:15 1 0.43 0.00 0.19 0.04 0.04 99.31 01:40:01 all 0.25 0.00 0.08 0.01 0.03 99.63 01:40:01 0 0.23 0.00 0.07 0.01 0.03 99.67 01:40:01 1 0.26 0.00 0.09 0.02 0.03 99.60 Average: all 0.29 0.00 0.12 0.03 0.03 99.52 Average: 0 0.27 0.00 0.11 0.01 0.03 99.58 Average: 1 0.32 0.00 0.12 0.05 0.04 99.47