---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57205 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 792 4949 4 2502 7149 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:68:da:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83702sec preferred_lft 83702sec inet6 fe80::f816:3eff:fe68:daf0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57205) 09/22/26 _x86_64_ (2 CPU) 14:11:20 LINUX RESTART (2 CPU) 14:20:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:32 1.52 0.01 1.49 0.03 0.05 26.56 2.08 14:40:34 1.19 0.00 1.19 0.00 0.00 21.21 0.00 14:50:02 1.17 0.00 1.17 0.00 0.00 16.23 0.00 Average: 1.30 0.00 1.29 0.01 0.02 21.42 0.70 14:20:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:32 5137772 7368696 396836 4.88 87060 2304532 835728 9.10 622072 2067160 312 14:40:34 5137520 7370704 394816 4.85 87168 2306684 836144 9.11 622900 2069420 176 14:50:02 5137016 7371104 394420 4.85 87292 2307468 836144 9.11 622804 2070324 240 Average: 5137436 7370168 395357 4.86 87173 2306228 836005 9.11 622592 2068968 243 14:20:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:30:32 ens3 3.36 0.32 0.56 0.19 0.00 0.00 0.00 0.00 14:40:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:40:34 ens3 0.86 0.32 0.23 0.16 0.00 0.00 0.00 0.00 14:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:50:02 ens3 0.75 0.39 0.16 0.13 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.67 0.34 0.32 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57205) 09/22/26 _x86_64_ (2 CPU) 14:11:20 LINUX RESTART (2 CPU) 14:20:34 CPU %user %nice %system %iowait %steal %idle 14:30:32 all 1.14 0.00 0.24 0.05 0.01 98.56 14:30:32 0 1.54 0.00 0.28 0.04 0.01 98.14 14:30:32 1 0.74 0.00 0.20 0.06 0.01 98.98 14:40:34 all 1.02 0.00 0.15 0.01 0.01 98.82 14:40:34 0 0.57 0.00 0.12 0.01 0.00 99.29 14:40:34 1 1.47 0.00 0.17 0.01 0.01 98.34 14:50:02 all 0.66 0.00 0.13 0.01 0.00 99.19 14:50:02 0 0.81 0.00 0.18 0.00 0.01 99.01 14:50:02 1 0.52 0.00 0.09 0.02 0.00 99.37 Average: all 0.95 0.00 0.17 0.02 0.01 98.85 Average: 0 0.97 0.00 0.19 0.02 0.01 98.81 Average: 1 0.92 0.00 0.16 0.03 0.01 98.89