---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47316 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 791 4965 4 2487 7150 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:f9:cf:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83619sec preferred_lft 83619sec inet6 fe80::f816:3eff:fef9:cfad/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47316) 09/04/26 _x86_64_ (2 CPU) 02:24:02 LINUX RESTART (2 CPU) 02:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:41 9.35 1.15 7.30 0.91 101.07 1056.24 537.99 02:50:21 1.84 0.33 1.50 0.01 44.57 115.75 0.18 03:00:01 1.49 0.00 1.46 0.02 0.00 20.90 0.23 Average: 4.40 0.52 3.55 0.33 50.31 419.63 191.44 02:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:41 5199072 7377320 389504 4.79 87272 2252312 633936 6.90 598660 2024900 160 02:50:21 5135212 7354936 411276 5.06 87712 2293288 830512 9.05 620116 2056204 312 03:00:01 5139312 7359952 406168 4.99 87840 2294032 830512 9.05 620240 2057100 240 Average: 5157865 7364069 402316 4.95 87608 2279877 764987 8.33 613005 2046068 237 02:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:41 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 02:40:41 ens3 14.96 9.10 37.13 7.03 0.00 0.00 0.00 0.00 02:50:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:21 ens3 1.31 0.61 3.60 0.18 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.80 0.35 0.15 0.11 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.00 3.55 14.41 2.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47316) 09/04/26 _x86_64_ (2 CPU) 02:24:02 LINUX RESTART (2 CPU) 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:41 all 5.66 0.00 0.91 0.54 0.01 92.87 02:40:41 0 4.86 0.00 0.84 0.21 0.01 94.08 02:40:41 1 6.47 0.00 0.98 0.87 0.01 91.67 02:50:21 all 1.63 0.00 0.20 0.02 0.01 98.13 02:50:21 0 0.68 0.00 0.16 0.00 0.01 99.15 02:50:21 1 2.58 0.00 0.25 0.04 0.01 97.12 03:00:01 all 1.04 0.00 0.25 0.01 0.01 98.70 03:00:01 0 0.83 0.00 0.27 0.01 0.01 98.89 03:00:01 1 1.24 0.00 0.23 0.01 0.01 98.51 Average: all 2.87 0.00 0.47 0.20 0.01 96.44 Average: 0 2.21 0.00 0.44 0.08 0.01 97.26 Average: 1 3.53 0.00 0.50 0.33 0.01 95.63