---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9105 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: 5600.00 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 736 5246 4 2251 7205 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:38:11:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84153sec preferred_lft 84153sec inet6 fe80::f816:3eff:fe38:11d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9105) 09/18/26 _x86_64_ (2 CPU) 00:18:57 LINUX RESTART (2 CPU) 00:20:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:10 20.50 1.74 16.87 1.89 137.16 2857.38 1083.06 00:40:01 1.26 0.01 1.25 0.01 0.05 15.15 0.24 00:50:30 1.35 0.00 1.35 0.00 0.00 15.83 0.00 Average: 7.49 0.56 6.32 0.61 44.21 931.20 349.06 00:20:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:10 5212924 7401136 365832 4.50 88436 2260776 627484 6.83 571960 2033520 120 00:40:01 5212420 7401160 365592 4.50 88608 2261128 627484 6.83 572012 2034048 160 00:50:30 5211496 7400732 366012 4.50 88760 2261472 627636 6.84 572096 2034544 124 Average: 5212280 7401009 365812 4.50 88601 2261125 627535 6.84 572023 2034037 135 00:20:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:10 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 00:30:10 ens3 46.69 31.45 158.29 6.83 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 0.80 0.22 0.15 0.08 0.00 0.00 0.00 0.00 00:50:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:30 ens3 0.99 0.22 2.46 0.07 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 15.65 10.28 51.91 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9105) 09/18/26 _x86_64_ (2 CPU) 00:18:57 LINUX RESTART (2 CPU) 00:20:30 CPU %user %nice %system %iowait %steal %idle 00:30:10 all 8.56 0.00 1.61 0.47 0.05 89.31 00:30:10 0 13.41 0.00 1.83 0.76 0.04 83.96 00:30:10 1 3.71 0.00 1.39 0.19 0.05 94.66 00:40:01 all 0.41 0.00 0.16 0.01 0.04 99.38 00:40:01 0 0.55 0.00 0.10 0.01 0.02 99.32 00:40:01 1 0.27 0.00 0.23 0.01 0.06 99.43 00:50:30 all 0.41 0.00 0.16 0.01 0.03 99.39 00:50:30 0 0.54 0.00 0.07 0.01 0.02 99.37 00:50:30 1 0.28 0.00 0.24 0.01 0.04 99.42 Average: all 3.04 0.00 0.63 0.16 0.04 96.14 Average: 0 4.68 0.00 0.65 0.25 0.03 94.39 Average: 1 1.39 0.00 0.61 0.07 0.05 97.88