---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8210 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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: 5599.99 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 nrip_save 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 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 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 7.9G 30G 21% / 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 773 5282 4 2174 7168 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:d9:96:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82099sec preferred_lft 82099sec inet6 fe80::f816:3eff:fed9:962c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8210) 03/23/26 _x86_64_ (2 CPU) 01:52:33 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 1.39 0.01 1.36 0.02 0.05 16.13 1.09 02:20:01 13.98 0.01 1.41 12.57 0.16 16.50 109324.06 02:30:01 1.54 0.00 1.51 0.03 0.00 18.42 654.84 02:40:02 1.33 0.00 1.32 0.02 0.00 15.92 1.09 02:50:02 1.94 0.32 1.60 0.03 39.04 72.74 1.40 03:00:01 16.60 1.83 13.11 1.65 125.46 2228.82 465.55 Average: 6.12 0.36 3.38 2.38 27.42 394.23 18386.42 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 6290136 7541804 278772 3.43 30760 1426516 520300 5.67 446504 1187504 268 02:20:01 6289888 7542144 278316 3.42 30972 1426884 520436 5.67 446540 1188060 152 02:30:01 6279584 7532384 288028 3.54 31168 1427216 520456 5.67 446668 1188588 276 02:40:02 6287172 7540516 279884 3.44 31384 1427540 520456 5.67 446600 1189128 176 02:50:02 6244160 7526264 293492 3.61 31760 1455540 717660 7.82 463976 1206312 156 03:00:01 5404332 7363708 413508 5.08 77440 2050492 653416 7.12 603832 1828332 95604 Average: 6132545 7507803 305333 3.75 38914 1535698 575454 6.27 475687 1297987 16105 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.88 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.36 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.29 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.42 0.21 3.04 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 38.07 25.06 271.56 6.68 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.72 4.23 45.75 1.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8210) 03/23/26 _x86_64_ (2 CPU) 01:52:33 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 0.28 0.00 0.08 0.01 0.03 99.60 02:10:02 0 0.49 0.00 0.05 0.01 0.02 99.43 02:10:02 1 0.08 0.00 0.10 0.01 0.04 99.77 02:20:01 all 0.25 0.00 0.10 0.03 0.03 99.59 02:20:01 0 0.43 0.00 0.07 0.01 0.03 99.46 02:20:01 1 0.07 0.00 0.13 0.06 0.04 99.71 02:30:01 all 0.24 0.00 0.17 0.01 0.02 99.56 02:30:01 0 0.28 0.00 0.15 0.01 0.02 99.55 02:30:01 1 0.21 0.00 0.19 0.02 0.02 99.56 02:40:02 all 0.26 0.00 0.07 0.03 0.02 99.61 02:40:02 0 0.47 0.00 0.06 0.05 0.02 99.41 02:40:02 1 0.06 0.00 0.09 0.02 0.02 99.81 02:50:02 all 0.38 0.00 0.12 0.04 0.02 99.44 02:50:02 0 0.50 0.00 0.10 0.04 0.02 99.34 02:50:02 1 0.25 0.00 0.13 0.05 0.02 99.55 03:00:01 all 8.89 0.00 1.39 0.50 0.04 89.18 03:00:01 0 11.25 0.00 1.68 0.67 0.05 86.35 03:00:01 1 6.52 0.00 1.09 0.33 0.04 92.02 Average: all 1.71 0.00 0.32 0.11 0.03 97.83 Average: 0 2.23 0.00 0.35 0.13 0.02 97.26 Average: 1 1.20 0.00 0.29 0.08 0.03 98.40