---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65825 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 8.3G 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 890 4789 4 2569 7050 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:6f:d0:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84459sec preferred_lft 84459sec inet6 fe80::f816:3eff:fe6f:d0ae/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-65825) 10/19/26 _x86_64_ (2 CPU) 21:08:42 LINUX RESTART (2 CPU) 21:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:05 20.56 1.83 16.72 2.01 169.58 2966.42 326.03 21:30:05 15.78 13.44 2.27 0.08 149.75 132.21 408.09 21:40:04 3.88 0.05 3.11 0.72 1.98 461.38 1699.79 Average: 13.41 5.11 7.37 0.94 107.15 1186.99 810.92 21:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:05 4987792 7306424 452988 5.57 113660 2359784 1015648 11.06 692296 2137572 1952 21:30:05 4882044 7284628 468892 5.77 117016 2427952 1037604 11.30 698576 2208460 760 21:40:04 4997972 7302220 455980 5.61 118452 2339464 938632 10.22 693304 2120924 20844 Average: 4955936 7297757 459287 5.65 116376 2375733 997295 10.86 694725 2155652 7852 21:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:05 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 21:20:05 ens3 84.51 66.39 200.21 13.85 0.00 0.00 0.00 0.00 21:30:05 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:30:05 ens3 51.84 47.49 20.09 5.06 0.00 0.00 0.00 0.00 21:40:04 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 21:40:04 ens3 69.95 55.66 50.19 20.52 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 68.77 56.51 90.18 13.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-65825) 10/19/26 _x86_64_ (2 CPU) 21:08:42 LINUX RESTART (2 CPU) 21:10:05 CPU %user %nice %system %iowait %steal %idle 21:20:05 all 12.02 0.00 2.01 0.35 0.01 85.60 21:20:05 0 11.85 0.00 1.84 0.37 0.01 85.92 21:20:05 1 12.19 0.00 2.18 0.33 0.01 85.29 21:30:05 all 5.51 0.16 1.14 0.17 0.01 93.02 21:30:05 0 6.57 0.25 1.25 0.27 0.01 91.65 21:30:05 1 4.46 0.06 1.04 0.06 0.01 94.37 21:40:04 all 7.87 0.00 1.26 0.07 0.01 90.79 21:40:04 0 6.01 0.00 1.18 0.08 0.01 92.72 21:40:04 1 9.76 0.00 1.35 0.05 0.01 88.83 Average: all 8.48 0.05 1.47 0.20 0.01 89.79 Average: 0 8.16 0.08 1.42 0.24 0.01 90.08 Average: 1 8.80 0.02 1.53 0.15 0.01 89.49