---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8458 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 743 5204 4 2287 7198 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:3e:d2:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84122sec preferred_lft 84122sec inet6 fe80::f816:3eff:fe3e:d251/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8458) 09/16/26 _x86_64_ (2 CPU) 00:38:46 LINUX RESTART (2 CPU) 00:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:22 35.12 1.51 17.69 15.92 126.76 3037.59 107676.17 01:00:22 1.51 0.01 1.48 0.02 0.05 18.33 4.36 01:10:22 1.81 0.32 1.48 0.01 43.08 104.27 0.17 Average: 12.85 0.62 6.90 5.34 56.75 1056.67 36012.01 00:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:22 5237740 7423452 343648 4.23 87176 2259508 619784 6.75 565424 2031956 212 01:00:22 5227928 7414160 352640 4.34 87340 2259864 619984 6.75 565668 2032476 124 01:10:22 5153224 7378796 387656 4.77 87760 2298716 821796 8.95 583960 2061664 240 Average: 5206297 7405469 361315 4.44 87425 2272696 687188 7.48 571684 2042032 192 00:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:22 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 00:50:22 ens3 45.51 29.78 186.87 6.38 0.00 0.00 0.00 0.00 01:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:22 ens3 1.33 0.19 0.22 0.06 0.00 0.00 0.00 0.00 01:10:22 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 3.33 0.52 3.78 0.18 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.77 10.20 63.83 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8458) 09/16/26 _x86_64_ (2 CPU) 00:38:46 LINUX RESTART (2 CPU) 00:40:19 CPU %user %nice %system %iowait %steal %idle 00:50:22 all 9.45 0.00 1.57 0.42 0.02 88.53 00:50:22 0 7.25 0.00 1.42 0.48 0.02 90.83 00:50:22 1 11.66 0.00 1.73 0.36 0.03 86.22 01:00:22 all 0.43 0.00 0.26 0.02 0.05 99.24 01:00:22 0 0.35 0.00 0.32 0.01 0.06 99.26 01:00:22 1 0.52 0.00 0.20 0.03 0.04 99.22 01:10:22 all 0.58 0.00 0.19 0.02 0.04 99.17 01:10:22 0 0.30 0.00 0.20 0.01 0.04 99.45 01:10:22 1 0.87 0.00 0.17 0.04 0.03 98.89 Average: all 3.50 0.00 0.68 0.16 0.04 95.63 Average: 0 2.65 0.00 0.65 0.17 0.04 96.50 Average: 1 4.36 0.00 0.70 0.14 0.03 94.77