---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-899 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 756 5192 4 2286 7185 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:55:4f:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83568sec preferred_lft 83568sec inet6 fe80::f816:3eff:fe55:4f25/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-899) 09/07/26 _x86_64_ (2 CPU) 00:48:46 LINUX RESTART (2 CPU) 00:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 8.44 1.39 6.62 0.42 100.78 780.18 192.00 01:10:17 18.48 1.48 15.20 1.80 124.39 2692.14 1460.13 01:20:17 1.14 0.00 1.12 0.02 0.01 14.29 0.13 01:30:17 2.04 0.32 1.69 0.03 43.08 107.75 6.63 Average: 7.55 0.80 6.18 0.57 67.13 903.95 418.28 00:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 5716880 7382052 412396 5.07 60372 1789252 630592 6.87 577244 1565604 208324 01:10:17 5228388 7410380 356600 4.38 87332 2255776 623652 6.79 579868 2027216 216 01:20:17 5227632 7410116 356844 4.39 87480 2256120 623652 6.79 579916 2027708 216 01:30:17 5158068 7379748 386556 4.75 87904 2294836 815772 8.89 598072 2056764 176 Average: 5332742 7395574 378099 4.65 80772 2148996 673417 7.33 583775 1919323 52233 00:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:00:10 ens3 30.90 21.15 172.26 5.57 0.00 0.00 0.00 0.00 01:10:17 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 01:10:17 ens3 39.61 30.93 146.19 6.47 0.00 0.00 0.00 0.00 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 1.61 0.23 0.14 0.03 0.00 0.00 0.00 0.00 01:30:17 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 1.06 0.47 3.44 0.11 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 18.32 13.23 80.43 3.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-899) 09/07/26 _x86_64_ (2 CPU) 00:48:46 LINUX RESTART (2 CPU) 00:50:17 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 3.90 0.00 0.78 0.32 0.01 94.98 01:00:10 0 2.12 0.00 0.71 0.28 0.01 96.88 01:00:10 1 5.68 0.00 0.85 0.37 0.01 93.08 01:10:17 all 8.26 0.00 1.54 0.31 0.02 89.87 01:10:17 0 5.97 0.00 1.39 0.37 0.03 92.24 01:10:17 1 10.55 0.00 1.69 0.25 0.01 87.50 01:20:17 all 0.41 0.00 0.16 0.01 0.02 99.41 01:20:17 0 0.29 0.00 0.23 0.00 0.03 99.45 01:20:17 1 0.53 0.00 0.09 0.01 0.01 99.37 01:30:17 all 0.55 0.00 0.28 0.02 0.01 99.14 01:30:17 0 0.49 0.00 0.33 0.02 0.02 99.14 01:30:17 1 0.60 0.00 0.23 0.02 0.01 99.14 Average: all 3.29 0.00 0.69 0.16 0.02 95.83 Average: 0 2.23 0.00 0.67 0.17 0.02 96.91 Average: 1 4.35 0.00 0.72 0.16 0.01 94.76