---> uname -a: Linux prd-centos8-robot-2c-8g-12110.novalocal 4.18.0-553.5.1.el8.x86_64 #1 SMP Tue May 21 05:46:01 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0,1 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 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 3.8G 0 3.8G 0% /dev tmpfs 3.8G 0 3.8G 0% /dev/shm tmpfs 3.8G 17M 3.8G 1% /run tmpfs 3.8G 0 3.8G 0% /sys/fs/cgroup /dev/vda1 40G 8.4G 32G 21% / tmpfs 770M 0 770M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7697 596 4887 19 2213 6802 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 valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:31:97:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.54/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85936sec preferred_lft 85936sec inet6 fe80::f816:3eff:fe31:977b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-553.5.1.el8.x86_64 (centos-stream-8-robot-7d7a37eb-bc14-4dd6-9530-dc22c5eae738.noval) 11/20/2025 _x86_64_ (2 CPU) 04:10:22 LINUX RESTART (2 CPU) 04:11:01 AM tps rtps wtps bread/s bwrtn/s 04:12:01 AM 95.25 17.86 77.39 5647.05 16278.32 04:13:01 AM 83.62 0.72 82.91 52.92 10249.67 04:14:01 AM 40.21 0.42 39.79 64.79 3210.26 04:15:01 AM 75.92 6.97 68.96 1292.98 8363.81 04:16:01 AM 6.80 0.00 6.80 0.00 529.52 04:17:01 AM 14.58 0.53 14.05 48.66 1062.52 04:18:01 AM 31.94 0.52 31.43 63.86 2061.71 Average: 49.76 3.86 45.90 1024.38 5965.33 04:11:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:12:01 AM 5356356 7071264 2526076 32.05 2688 1897032 658732 7.38 187232 2016952 178940 04:13:01 AM 5148404 6995312 2734028 34.69 2688 2022908 717264 8.03 199380 2184568 42008 04:14:01 AM 5070988 7012888 2811444 35.67 2688 2112596 694432 7.78 229896 2216756 79248 04:15:01 AM 4939540 7042052 2942892 37.33 2688 2268904 657064 7.36 261212 2296964 10832 04:16:01 AM 4938852 7041352 2943580 37.34 2688 2268904 657064 7.36 261216 2296992 4 04:17:01 AM 4939148 6932668 2943284 37.34 2688 2165936 759252 8.50 311840 2269512 71400 04:18:01 AM 5044876 7003256 2837556 36.00 2688 2131664 690708 7.73 478068 2002744 25088 Average: 5062595 7014113 2819837 35.77 2688 2123992 690645 7.73 275549 2183498 58217 04:11:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 AM eth0 316.08 202.92 1775.98 61.09 0.00 0.00 0.00 0.00 04:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 AM eth0 76.37 53.03 735.25 8.50 0.00 0.00 0.00 0.00 04:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 AM eth0 27.23 24.06 133.48 7.12 0.00 0.00 0.00 0.00 04:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 AM eth0 192.42 145.64 247.45 41.34 0.00 0.00 0.00 0.00 04:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 AM eth0 1.67 1.57 0.28 0.27 0.00 0.00 0.00 0.00 04:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 AM eth0 119.08 85.49 434.77 54.41 0.00 0.00 0.00 0.00 04:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 AM eth0 17.81 16.13 14.48 8.05 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 107.24 75.55 477.41 25.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-553.5.1.el8.x86_64 (centos-stream-8-robot-7d7a37eb-bc14-4dd6-9530-dc22c5eae738.noval) 11/20/2025 _x86_64_ (2 CPU) 04:10:22 LINUX RESTART (2 CPU) 04:11:01 AM CPU %user %nice %system %iowait %steal %idle 04:12:01 AM all 45.77 0.00 7.18 2.15 0.12 44.78 04:12:01 AM 0 52.11 0.00 6.71 2.00 0.12 39.07 04:12:01 AM 1 39.41 0.00 7.65 2.31 0.12 50.52 04:13:01 AM all 23.88 0.00 3.47 11.15 0.15 61.36 04:13:01 AM 0 33.91 0.00 4.33 9.71 0.13 51.92 04:13:01 AM 1 13.88 0.00 2.61 12.59 0.17 70.75 04:14:01 AM all 25.68 0.00 3.72 0.94 0.09 69.57 04:14:01 AM 0 21.15 0.00 3.40 1.00 0.08 74.37 04:14:01 AM 1 30.21 0.00 4.03 0.88 0.10 64.77 04:15:01 AM all 24.12 0.00 5.00 2.13 0.08 68.66 04:15:01 AM 0 26.19 0.00 5.14 1.67 0.08 66.92 04:15:01 AM 1 22.06 0.00 4.87 2.60 0.08 70.39 04:16:01 AM all 0.07 0.00 0.09 0.12 0.77 98.95 04:16:01 AM 0 0.07 0.00 0.12 0.24 0.79 98.78 04:16:01 AM 1 0.07 0.00 0.05 0.00 0.75 99.12 04:17:01 AM all 17.71 0.00 1.99 0.09 0.08 80.12 04:17:01 AM 0 21.70 0.00 2.16 0.08 0.08 75.98 04:17:01 AM 1 13.65 0.00 1.82 0.10 0.09 84.34 04:18:01 AM all 32.11 0.00 4.27 0.37 0.10 63.14 04:18:01 AM 0 37.90 0.00 4.45 0.55 0.10 57.00 04:18:01 AM 1 26.34 0.00 4.10 0.20 0.10 69.27 Average: all 24.27 0.00 3.69 2.43 0.20 69.41 Average: 0 27.63 0.00 3.76 2.18 0.20 66.23 Average: 1 20.90 0.00 3.61 2.69 0.20 72.60