---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61009 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 8.2G 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 4984 4 2502 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:c6:45:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83794sec preferred_lft 83794sec inet6 fe80::f816:3eff:fec6:45ce/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-61009) 10/01/26 _x86_64_ (2 CPU) 01:11:16 LINUX RESTART (2 CPU) 01:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:10 1.49 0.01 1.45 0.03 0.16 22.15 0.40 01:40:01 1.10 0.00 1.10 0.00 0.00 16.73 0.00 01:50:00 1.90 0.32 1.57 0.01 43.16 107.89 0.17 Average: 1.50 0.11 1.37 0.01 14.63 49.30 0.19 01:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:10 5199428 7395924 370784 4.56 87548 2269848 605328 6.59 573204 2042736 332 01:40:01 5205516 7403072 363644 4.47 87652 2270796 605352 6.59 573552 2043796 284 01:50:00 5134324 7371764 394576 4.85 88080 2310160 800028 8.71 591768 2073512 124 Average: 5179756 7390253 376335 4.63 87760 2283601 670236 7.30 579508 2053348 247 01:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 1.53 0.26 0.36 0.11 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.24 0.32 0.30 0.17 0.00 0.00 0.00 0.00 01:50:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 1.78 0.62 3.47 0.11 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.52 0.40 1.39 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61009) 10/01/26 _x86_64_ (2 CPU) 01:11:16 LINUX RESTART (2 CPU) 01:20:27 CPU %user %nice %system %iowait %steal %idle 01:30:10 all 0.82 0.00 0.25 0.01 0.01 98.91 01:30:10 0 0.98 0.00 0.27 0.01 0.01 98.73 01:30:10 1 0.66 0.00 0.23 0.02 0.01 99.08 01:40:01 all 0.70 0.00 0.14 0.01 0.00 99.15 01:40:01 0 0.84 0.00 0.14 0.00 0.01 99.02 01:40:01 1 0.56 0.00 0.14 0.02 0.00 99.28 01:50:00 all 0.76 0.00 0.18 0.02 0.01 99.03 01:50:00 0 0.68 0.00 0.14 0.02 0.00 99.15 01:50:00 1 0.84 0.00 0.22 0.03 0.01 98.91 Average: all 0.76 0.00 0.19 0.02 0.01 99.03 Average: 0 0.84 0.00 0.18 0.01 0.01 98.97 Average: 1 0.69 0.00 0.19 0.02 0.01 99.09