---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60280 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 783 5126 4 2325 7158 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:42:c8:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83990sec preferred_lft 83990sec inet6 fe80::f816:3eff:fe42:c8d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60280) 09/28/26 _x86_64_ (2 CPU) 00:37:44 LINUX RESTART (2 CPU) 00:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 11.40 1.25 8.90 1.25 109.88 1175.87 621.30 01:00:04 1.65 0.01 1.59 0.06 0.05 43.46 4.10 01:10:11 1.35 0.00 1.31 0.03 0.00 41.34 0.28 Average: 4.80 0.42 3.93 0.45 36.64 420.21 208.54 00:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 5203288 7403672 362904 4.46 87488 2273996 649696 7.08 590656 2046340 632 01:00:04 5185540 7392780 373456 4.59 87704 2280628 658052 7.17 592072 2053188 184 01:10:11 5185936 7401164 365076 4.49 87868 2288476 651444 7.10 592856 2061176 504 Average: 5191588 7399205 367145 4.51 87687 2281033 653064 7.11 591861 2053568 440 00:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:50:11 ens3 47.90 36.67 47.21 7.70 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 19.94 18.23 3.65 2.32 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 26.78 24.23 5.47 3.59 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 31.57 26.40 18.78 4.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60280) 09/28/26 _x86_64_ (2 CPU) 00:37:44 LINUX RESTART (2 CPU) 00:40:11 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 7.32 0.00 1.26 0.27 0.01 91.15 00:50:11 0 6.38 0.00 1.24 0.20 0.01 92.18 00:50:11 1 8.26 0.00 1.27 0.33 0.01 90.12 01:00:04 all 2.12 0.00 0.39 0.05 0.01 97.43 01:00:04 0 2.24 0.00 0.38 0.08 0.01 97.30 01:00:04 1 2.01 0.00 0.40 0.03 0.01 97.56 01:10:11 all 1.90 0.00 0.41 0.01 0.01 97.67 01:10:11 0 1.85 0.00 0.39 0.02 0.01 97.73 01:10:11 1 1.95 0.00 0.43 0.00 0.01 97.61 Average: all 3.78 0.00 0.68 0.11 0.01 95.42 Average: 0 3.48 0.00 0.67 0.10 0.01 95.74 Average: 1 4.07 0.00 0.70 0.12 0.01 95.10