---> uname -a: Linux prd-centos8-builder-4c-4g-48749.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 9.2G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 748 12226 19 2787 14666 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:b8:99:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.208/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:feb8:99d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 09/24/2025 _x86_64_ (4 CPU) 15:50:20 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 425.90 78.64 347.26 3712.85 13862.66 03:53:01 PM 192.96 4.11 188.84 1283.12 11921.84 03:54:01 PM 75.05 0.80 74.25 97.45 8951.79 Average: 231.29 27.84 203.45 1697.69 11578.86 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12754784 14734896 3386748 20.98 2688 2176320 1145560 6.66 211084 2763504 203816 03:53:01 PM 10723772 13148040 5417760 33.56 2688 2613016 2932904 17.06 334180 4630404 291860 03:54:01 PM 12451708 14956848 3689824 22.86 2688 2692764 941156 5.47 687628 2553764 163832 Average: 11976755 14279928 4164777 25.80 2688 2494033 1673207 9.73 410964 3315891 219836 03:51:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:52:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 PM eth0 228.60 187.97 2847.80 35.51 0.00 0.00 0.00 0.00 03:53:01 PM lo 105.53 105.53 100.63 100.63 0.00 0.00 0.00 0.00 03:53:01 PM eth0 321.21 244.74 4794.47 33.99 0.00 0.00 0.00 0.00 03:54:01 PM lo 793.25 793.25 803.66 803.66 0.00 0.00 0.00 0.00 03:54:01 PM eth0 111.88 109.90 314.06 644.81 0.00 0.00 0.00 0.00 Average: lo 299.54 299.54 301.37 301.37 0.00 0.00 0.00 0.00 Average: eth0 220.59 180.89 2652.70 238.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 09/24/2025 _x86_64_ (4 CPU) 15:50:20 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 29.16 0.59 12.56 2.19 0.11 55.39 03:52:01 PM 0 31.57 0.55 12.80 3.20 0.10 51.78 03:52:01 PM 1 22.78 0.47 11.16 1.12 0.13 64.34 03:52:01 PM 2 25.59 0.69 12.96 1.51 0.10 59.16 03:52:01 PM 3 36.73 0.65 13.33 2.93 0.10 46.26 03:53:01 PM all 68.73 0.00 2.31 0.93 0.10 27.94 03:53:01 PM 0 69.64 0.00 1.99 1.17 0.10 27.10 03:53:01 PM 1 61.60 0.00 2.52 1.34 0.08 34.45 03:53:01 PM 2 75.54 0.00 2.67 0.75 0.10 20.94 03:53:01 PM 3 68.14 0.00 2.05 0.45 0.10 29.26 03:54:01 PM all 47.04 0.00 2.57 0.39 0.10 49.91 03:54:01 PM 0 53.14 0.00 2.90 0.59 0.12 43.25 03:54:01 PM 1 43.23 0.00 2.90 0.50 0.10 53.27 03:54:01 PM 2 46.68 0.00 1.56 0.10 0.08 51.58 03:54:01 PM 3 45.09 0.00 2.92 0.37 0.08 51.54 Average: all 48.33 0.20 5.81 1.17 0.10 44.40 Average: 0 51.48 0.18 5.89 1.65 0.11 40.69 Average: 1 42.53 0.16 5.53 0.99 0.11 50.69 Average: 2 49.29 0.23 5.73 0.79 0.09 43.87 Average: 3 50.00 0.22 6.10 1.25 0.09 42.34