---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30626 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 778 5134 4 2330 7163 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:f3:0a:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81061sec preferred_lft 81061sec inet6 fe80::f816:3eff:fef3:a21/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30626) 06/26/26 _x86_64_ (2 CPU) 01:49:38 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 6.09 3.21 2.81 0.06 383.59 746.68 872.18 02:10:00 1.92 0.26 1.64 0.02 31.06 75.69 0.89 02:20:04 1.41 0.01 1.39 0.02 1.06 15.89 1.24 02:30:00 1.56 0.00 1.54 0.03 0.00 18.12 1.36 02:40:00 15.53 13.54 1.93 0.07 151.12 43.80 7.57 02:50:04 14.08 0.00 1.55 12.53 0.15 18.22 108388.34 03:00:00 1.56 0.00 1.54 0.02 0.00 18.22 218.19 03:10:04 1.30 0.00 1.30 0.00 0.00 15.36 0.00 Average: 5.44 2.13 1.71 1.60 70.88 119.04 13765.11 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6296936 7543392 277220 3.41 30512 1421608 528324 5.75 439364 1183156 240 02:10:00 6261188 7534696 285444 3.51 30892 1447932 726252 7.91 453868 1201096 132 02:20:04 6275916 7550276 269860 3.32 31092 1448572 528308 5.75 448660 1201624 180 02:30:00 6271144 7546076 273972 3.37 31300 1448900 528332 5.75 449452 1202160 172 02:40:00 6201536 7533724 277264 3.41 35476 1493648 528548 5.76 450300 1250348 132 02:50:04 6199912 7532708 278200 3.42 35712 1494028 531428 5.79 451448 1250920 220 03:00:00 6193116 7526444 284440 3.50 35876 1494348 531556 5.79 451640 1251420 172 03:10:04 6192864 7526700 284168 3.49 36052 1494672 531580 5.79 451956 1251920 280 Average: 6236576 7536752 278821 3.43 33364 1467964 554291 6.04 449586 1224080 191 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 12.00 6.22 35.39 1.74 0.00 0.00 0.00 0.00 02:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.66 0.22 3.19 0.03 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.50 0.02 1.76 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.28 0.04 0.06 0.01 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 0.42 0.09 0.11 0.05 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.57 0.17 0.21 0.13 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.43 0.26 0.12 0.64 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.21 0.06 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.88 0.88 5.11 0.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30626) 06/26/26 _x86_64_ (2 CPU) 01:49:38 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.81 0.00 0.49 0.27 0.02 98.41 02:00:01 0 1.04 0.00 0.51 0.24 0.03 98.19 02:00:01 1 0.58 0.00 0.46 0.29 0.02 98.64 02:10:00 all 0.38 0.00 0.12 0.04 0.03 99.44 02:10:00 0 0.35 0.00 0.14 0.07 0.02 99.42 02:10:00 1 0.41 0.00 0.10 0.01 0.03 99.45 02:20:04 all 0.25 0.00 0.08 0.04 0.01 99.61 02:20:04 0 0.26 0.00 0.08 0.02 0.01 99.64 02:20:04 1 0.25 0.00 0.09 0.07 0.01 99.57 02:30:00 all 0.26 0.00 0.18 0.07 0.01 99.48 02:30:00 0 0.21 0.00 0.18 0.11 0.01 99.49 02:30:00 1 0.31 0.00 0.18 0.03 0.01 99.47 02:40:00 all 0.27 0.19 0.15 0.16 0.01 99.21 02:40:00 0 0.06 0.35 0.22 0.29 0.01 99.07 02:40:00 1 0.49 0.03 0.09 0.03 0.01 99.36 02:50:04 all 0.28 0.00 0.10 0.03 0.01 99.58 02:50:04 0 0.34 0.00 0.10 0.02 0.01 99.53 02:50:04 1 0.23 0.00 0.09 0.04 0.01 99.62 03:00:00 all 0.30 0.00 0.18 0.05 0.01 99.47 03:00:00 0 0.48 0.00 0.17 0.00 0.01 99.33 03:00:00 1 0.12 0.00 0.18 0.09 0.01 99.60 03:10:04 all 0.24 0.00 0.08 0.04 0.01 99.63 03:10:04 0 0.05 0.00 0.07 0.07 0.01 99.79 03:10:04 1 0.43 0.00 0.08 0.02 0.01 99.46 Average: all 0.35 0.02 0.17 0.09 0.01 99.35 Average: 0 0.35 0.04 0.18 0.10 0.01 99.31 Average: 1 0.35 0.00 0.16 0.07 0.01 99.40