---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66301 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 8.2G 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 879 4952 4 2409 7062 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:4d:ca:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84039sec preferred_lft 84039sec inet6 fe80::f816:3eff:fe4d:ca5f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66301) 10/22/26 _x86_64_ (2 CPU) 23:05:23 LINUX RESTART (2 CPU) 23:10:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:24 5.25 0.03 5.02 0.20 2.19 764.21 12.88 23:30:34 1.71 0.01 1.69 0.02 0.05 52.41 0.43 23:40:34 1.63 0.00 1.63 0.00 0.00 64.04 0.00 Average: 2.85 0.01 2.77 0.07 0.74 290.88 4.39 23:10:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:24 5033712 7315568 443416 5.45 114424 2321272 795260 8.66 681952 2110260 212 23:30:34 5023972 7315376 443328 5.45 114580 2330680 803452 8.75 681924 2119812 140 23:40:34 5010336 7315408 443288 5.45 114712 2344212 803628 8.75 682224 2133456 636 Average: 5022673 7315451 443344 5.45 114572 2332055 800780 8.72 682033 2121176 329 23:10:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:24 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 23:20:24 ens3 29.50 24.27 6.39 5.11 0.00 0.00 0.00 0.00 23:30:34 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 23:30:34 ens3 16.69 14.94 3.04 1.95 0.00 0.00 0.00 0.00 23:40:34 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 23:40:34 ens3 33.34 32.07 7.18 4.70 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 26.45 23.71 5.52 3.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66301) 10/22/26 _x86_64_ (2 CPU) 23:05:23 LINUX RESTART (2 CPU) 23:10:29 CPU %user %nice %system %iowait %steal %idle 23:20:24 all 3.72 0.00 0.52 0.03 0.01 95.72 23:20:24 0 4.43 0.00 0.53 0.04 0.01 94.99 23:20:24 1 3.02 0.00 0.51 0.02 0.01 96.45 23:30:34 all 2.85 0.00 0.42 0.01 0.01 96.71 23:30:34 0 3.90 0.00 0.44 0.01 0.01 95.63 23:30:34 1 1.80 0.00 0.39 0.01 0.00 97.78 23:40:34 all 3.38 0.00 0.52 0.01 0.01 96.08 23:40:34 0 5.24 0.00 0.54 0.01 0.02 94.19 23:40:34 1 1.54 0.00 0.50 0.02 0.01 97.93 Average: all 3.31 0.00 0.49 0.02 0.01 96.17 Average: 0 4.52 0.00 0.50 0.02 0.01 94.95 Average: 1 2.12 0.00 0.47 0.02 0.01 97.39