---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60768 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 757 5105 4 2381 7184 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:6b:b5:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5743sec preferred_lft 5743sec inet6 fe80::f816:3eff:fe6b:b512/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60768) 10/01/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.77 0.02 1.74 0.01 0.83 20.94 423.13 00:20:08 1.91 0.11 1.77 0.03 3.05 24.87 536.84 00:30:01 1.92 0.00 1.90 0.02 0.00 21.33 643.12 00:40:08 19.95 1.64 16.64 1.68 119.03 2554.60 763.39 Average: 6.43 0.44 5.55 0.44 31.02 661.73 591.51 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6106732 7517964 290060 3.57 54364 1553624 744016 8.10 474512 1322916 452 00:20:08 6130252 7501896 306096 3.76 54516 1513860 741804 8.08 473324 1283092 208 00:30:01 6135120 7507204 300708 3.70 54632 1514184 741804 8.08 473168 1283532 124 00:40:08 5236880 7377156 384528 4.73 100012 2197276 825144 8.99 576912 1993848 85612 Average: 5902246 7476055 320348 3.94 65881 1694736 763192 8.31 499479 1470847 21599 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.52 0.08 0.13 0.07 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.47 0.23 0.08 1.29 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 0.63 0.13 0.15 0.08 0.00 0.00 0.00 0.00 00:40:08 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 00:40:08 ens3 46.58 31.15 293.24 7.05 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 12.16 7.97 74.13 2.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60768) 10/01/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.24 0.00 0.12 0.01 0.00 99.62 00:10:08 0 0.42 0.00 0.11 0.01 0.00 99.46 00:10:08 1 0.06 0.00 0.13 0.01 0.00 99.79 00:20:08 all 0.63 0.00 0.24 0.01 0.00 99.12 00:20:08 0 0.23 0.00 0.24 0.00 0.00 99.52 00:20:08 1 1.02 0.00 0.23 0.03 0.00 98.72 00:30:01 all 0.29 0.00 0.17 0.01 0.01 99.52 00:30:01 0 0.15 0.00 0.18 0.01 0.01 99.64 00:30:01 1 0.42 0.00 0.16 0.02 0.01 99.40 00:40:08 all 9.03 0.00 1.45 0.44 0.01 89.07 00:40:08 0 5.39 0.00 1.26 0.09 0.00 93.26 00:40:08 1 12.69 0.00 1.64 0.79 0.01 84.87 Average: all 2.57 0.00 0.50 0.12 0.01 96.81 Average: 0 1.57 0.00 0.45 0.03 0.00 97.95 Average: 1 3.57 0.00 0.54 0.21 0.01 95.66