---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6567 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: 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 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 7.8G 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 766 5368 4 2092 7175 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:94:ba:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81515sec preferred_lft 81515sec inet6 fe80::f816:3eff:fe94:ba59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6567) 03/21/26 _x86_64_ (2 CPU) 01:53:35 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.31 0.01 1.30 0.00 0.05 15.95 0.24 02:20:18 1.36 0.00 1.36 0.00 0.01 16.40 0.00 02:30:18 1.61 0.00 1.59 0.02 0.00 19.53 654.00 02:40:00 1.30 0.00 1.30 0.00 0.00 15.50 0.00 02:50:18 2.04 0.31 1.72 0.01 38.94 72.41 0.25 03:00:12 13.83 1.77 11.05 1.00 118.54 2056.84 648.00 03:10:01 1.11 0.00 1.09 0.02 0.00 13.79 0.99 Average: 3.21 0.30 2.76 0.15 22.52 313.48 185.42 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6287212 7533568 286684 3.53 30664 1421568 534876 5.83 451464 1183316 124 02:20:18 6286456 7533336 286856 3.53 30852 1421908 534884 5.83 451492 1183836 152 02:30:18 6271356 7518768 301452 3.71 31036 1422232 534960 5.83 453452 1184352 136 02:40:00 6276688 7524592 295616 3.63 31196 1422552 534960 5.83 453528 1184832 148 02:50:18 6231348 7508312 311364 3.83 31564 1450868 535264 5.83 465448 1202012 132 03:00:12 5519652 7359400 425468 5.23 69388 1946192 668296 7.28 626996 1718736 132 03:10:01 5518836 7359064 425852 5.24 69560 1946516 669220 7.29 627912 1719232 172 Average: 6055935 7476720 333327 4.10 42037 1575977 573209 6.24 504327 1339474 142 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.51 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 0.38 0.04 0.21 0.01 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 0.36 0.07 0.09 0.04 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.38 0.08 0.11 0.05 0.00 0.00 0.00 0.00 02:50:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:18 ens3 0.50 0.33 2.98 0.51 0.00 0.00 0.00 0.00 03:00:12 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:00:12 ens3 36.85 22.37 258.95 5.83 0.00 0.00 0.00 0.00 03:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 3.28 0.55 0.84 0.30 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.98 3.33 37.29 0.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6567) 03/21/26 _x86_64_ (2 CPU) 01:53:35 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.21 0.00 0.07 0.01 0.04 99.66 02:10:01 0 0.04 0.00 0.08 0.02 0.05 99.81 02:10:01 1 0.38 0.00 0.06 0.00 0.03 99.52 02:20:18 all 0.25 0.00 0.08 0.03 0.04 99.60 02:20:18 0 0.06 0.00 0.09 0.02 0.04 99.79 02:20:18 1 0.44 0.00 0.07 0.03 0.03 99.42 02:30:18 all 0.27 0.00 0.16 0.02 0.04 99.51 02:30:18 0 0.42 0.00 0.16 0.01 0.03 99.38 02:30:18 1 0.13 0.00 0.16 0.03 0.04 99.64 02:40:00 all 0.25 0.00 0.08 0.12 0.03 99.52 02:40:00 0 0.19 0.00 0.08 0.02 0.03 99.68 02:40:00 1 0.31 0.00 0.07 0.22 0.03 99.37 02:50:18 all 0.35 0.00 0.11 0.03 0.02 99.48 02:50:18 0 0.27 0.00 0.14 0.03 0.03 99.53 02:50:18 1 0.44 0.00 0.08 0.03 0.02 99.44 03:00:12 all 5.83 0.00 1.02 0.50 0.04 92.62 03:00:12 0 4.92 0.00 0.96 0.51 0.04 93.57 03:00:12 1 6.73 0.00 1.08 0.49 0.03 91.67 03:10:01 all 0.39 0.00 0.10 0.02 0.02 99.47 03:10:01 0 0.23 0.00 0.11 0.01 0.02 99.63 03:10:01 1 0.54 0.00 0.10 0.02 0.02 99.32 Average: all 1.07 0.00 0.23 0.10 0.03 98.56 Average: 0 0.87 0.00 0.23 0.09 0.03 98.78 Average: 1 1.27 0.00 0.23 0.12 0.03 98.35