---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8816 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 8.0G 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 779 5133 4 2322 7162 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:e9:ea:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83573sec preferred_lft 83573sec inet6 fe80::f816:3eff:fee9:eadf/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-8816) 09/17/26 _x86_64_ (2 CPU) 02:38:30 LINUX RESTART (2 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:11 19.91 1.49 16.51 1.92 124.89 2839.49 825.19 03:00:01 1.48 0.01 1.46 0.02 0.05 27.58 1.83 03:10:01 1.27 0.00 1.25 0.02 0.20 26.59 3.67 03:20:11 15.91 0.32 1.60 13.99 42.49 118.74 104505.56 Average: 9.75 0.46 5.25 4.04 42.44 762.18 26684.72 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:11 5217408 7408788 357996 4.40 87300 2265104 672752 7.33 587336 2036844 208 03:00:01 5202876 7397368 369176 4.54 87468 2268024 673768 7.34 587548 2039956 232 03:10:01 5203412 7401540 364976 4.49 87616 2271520 652444 7.11 590972 2043592 260 03:20:11 5130928 7372844 393008 4.83 88144 2314556 844388 9.20 608132 2076924 148 Average: 5188656 7395135 371289 4.57 87632 2279801 710838 7.74 593497 2049329 212 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:11 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 02:50:11 ens3 106.69 81.19 169.62 13.73 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 10.31 10.00 2.48 0.75 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 12.14 11.84 2.85 0.95 0.00 0.00 0.00 0.00 03:20:11 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:20:11 ens3 24.03 23.96 8.10 1.67 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 38.64 32.01 46.30 4.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8816) 09/17/26 _x86_64_ (2 CPU) 02:38:30 LINUX RESTART (2 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:11 all 9.75 0.00 1.88 0.47 0.02 87.88 02:50:11 0 10.20 0.00 1.91 0.63 0.02 87.24 02:50:11 1 9.31 0.00 1.85 0.31 0.02 88.51 03:00:01 all 1.21 0.00 0.47 0.01 0.01 98.29 03:00:01 0 0.99 0.00 0.45 0.00 0.01 98.55 03:00:01 1 1.44 0.00 0.49 0.02 0.02 98.03 03:10:01 all 1.42 0.00 0.35 0.01 0.02 98.20 03:10:01 0 0.88 0.00 0.28 0.01 0.01 98.83 03:10:01 1 1.97 0.00 0.42 0.01 0.02 97.57 03:20:11 all 1.36 0.00 0.46 0.06 0.01 98.11 03:20:11 0 1.51 0.00 0.46 0.04 0.01 97.96 03:20:11 1 1.21 0.00 0.45 0.07 0.01 98.26 Average: all 3.47 0.00 0.79 0.14 0.02 95.58 Average: 0 3.42 0.00 0.78 0.17 0.01 95.61 Average: 1 3.51 0.00 0.81 0.10 0.02 95.55