---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-59146 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 8.1G 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 803 5055 4 2376 7138 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:74:42:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82892sec preferred_lft 82892sec inet6 fe80::f816:3eff:fe74:427b/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-59146) 09/27/26 _x86_64_ (2 CPU) 00:01:23 LINUX RESTART (2 CPU) 00:10:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:24 1.54 0.01 1.51 0.02 0.07 17.99 243.08 00:30:01 1.52 0.00 1.51 0.01 0.00 17.92 443.19 00:40:04 26.02 2.81 20.94 2.28 222.34 3507.88 829.94 00:50:24 1.44 0.00 1.44 0.00 0.00 54.16 0.03 Average: 7.67 0.71 6.38 0.58 55.92 904.77 376.06 00:10:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:24 6232936 7520228 299160 3.68 31188 1462456 725832 7.91 460584 1213428 132 00:30:01 6227764 7515588 303640 3.73 31364 1462784 726216 7.91 466968 1213932 124 00:40:04 5127444 7363964 401668 4.94 86992 2310116 864296 9.41 640616 2071524 180 00:50:24 5110392 7358944 406632 5.00 87132 2322032 875672 9.54 645176 2083428 788 Average: 5674634 7439681 352775 4.34 59169 1889347 798004 8.69 553336 1645578 306 00:10:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:24 ens3 0.54 0.06 0.09 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.58 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:40:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 84.85 64.56 325.94 13.44 0.00 0.00 0.00 0.00 00:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:24 ens3 35.43 30.61 8.17 4.28 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 30.75 24.17 84.11 4.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-59146) 09/27/26 _x86_64_ (2 CPU) 00:01:23 LINUX RESTART (2 CPU) 00:10:24 CPU %user %nice %system %iowait %steal %idle 00:20:24 all 0.24 0.00 0.12 0.02 0.00 99.62 00:20:24 0 0.42 0.00 0.10 0.02 0.00 99.46 00:20:24 1 0.06 0.00 0.14 0.01 0.00 99.79 00:30:01 all 0.32 0.00 0.16 0.01 0.00 99.50 00:30:01 0 0.50 0.00 0.15 0.02 0.00 99.33 00:30:01 1 0.14 0.00 0.18 0.01 0.00 99.67 00:40:04 all 12.38 0.00 2.05 0.64 0.01 84.91 00:40:04 0 13.13 0.00 2.07 0.90 0.01 83.89 00:40:04 1 11.65 0.00 2.03 0.39 0.01 85.92 00:50:24 all 2.93 0.00 0.43 0.01 0.01 96.61 00:50:24 0 3.49 0.00 0.44 0.01 0.01 96.04 00:50:24 1 2.38 0.00 0.43 0.01 0.01 97.16 Average: all 3.99 0.00 0.70 0.17 0.01 95.13 Average: 0 4.39 0.00 0.69 0.24 0.01 94.67 Average: 1 3.60 0.00 0.70 0.11 0.01 95.59