---> uname -a: Linux prd-centos8-builder-4c-4g-47521.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 9.3G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 762 12080 19 2919 14651 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:f6:bd:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.142/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fef6:bd7b/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) 09/20/2025 _x86_64_ (4 CPU) 06:02:21 LINUX RESTART (4 CPU) 06:03:01 AM tps rtps wtps bread/s bwrtn/s 06:04:01 AM 272.95 77.70 195.25 3490.35 12321.06 06:05:01 AM 348.43 6.33 342.10 1276.64 13194.29 06:06:01 AM 66.46 1.85 64.61 1790.44 8325.00 Average: 229.23 28.62 200.62 2185.63 11279.24 06:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:04:01 AM 12939596 14860316 3201936 19.84 2688 2118636 1089408 6.34 201912 2591748 154844 06:05:01 AM 11346380 13675280 4795152 29.71 2688 2519068 2256716 13.13 314056 4034720 212500 06:06:01 AM 11483660 14094436 4657872 28.86 2688 2798696 1739532 10.12 515944 3691624 221184 Average: 11923212 14210011 4218320 26.13 2688 2478800 1695219 9.86 343971 3439364 196176 06:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 AM eth0 164.51 135.03 2048.85 26.29 0.00 0.00 0.00 0.00 06:05:01 AM lo 0.15 0.15 0.03 0.03 0.00 0.00 0.00 0.00 06:05:01 AM eth0 423.44 326.17 5592.97 43.39 0.00 0.00 0.00 0.00 06:06:01 AM lo 801.10 801.10 809.93 809.93 0.00 0.00 0.00 0.00 06:06:01 AM eth0 134.39 106.23 2223.92 10.62 0.00 0.00 0.00 0.00 Average: lo 267.25 267.25 270.15 270.15 0.00 0.00 0.00 0.00 Average: eth0 240.76 189.12 3288.35 26.76 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) 09/20/2025 _x86_64_ (4 CPU) 06:02:21 LINUX RESTART (4 CPU) 06:03:01 AM CPU %user %nice %system %iowait %steal %idle 06:04:01 AM all 22.12 0.58 9.70 1.73 0.09 65.78 06:04:01 AM 0 32.00 0.67 10.23 2.19 0.08 54.84 06:04:01 AM 1 20.07 0.60 10.08 0.95 0.12 68.18 06:04:01 AM 2 12.41 0.60 9.85 2.01 0.08 75.04 06:04:01 AM 3 23.95 0.45 8.65 1.77 0.08 65.09 06:05:01 AM all 60.87 0.00 2.21 1.61 0.10 35.21 06:05:01 AM 0 66.84 0.00 1.86 1.75 0.10 29.45 06:05:01 AM 1 63.18 0.00 2.22 1.20 0.10 33.29 06:05:01 AM 2 51.05 0.00 3.06 2.64 0.10 43.14 06:05:01 AM 3 62.39 0.00 1.69 0.84 0.12 34.97 06:06:01 AM all 62.42 0.00 2.09 0.35 0.10 35.05 06:06:01 AM 0 60.58 0.00 2.84 0.17 0.10 36.31 06:06:01 AM 1 67.96 0.00 2.37 0.77 0.10 28.80 06:06:01 AM 2 65.69 0.00 1.60 0.18 0.08 32.44 06:06:01 AM 3 55.46 0.00 1.52 0.28 0.10 42.63 Average: all 48.47 0.19 4.66 1.23 0.10 45.34 Average: 0 53.14 0.22 4.97 1.37 0.09 40.20 Average: 1 50.40 0.20 4.89 0.98 0.11 43.42 Average: 2 43.07 0.20 4.84 1.61 0.09 50.19 Average: 3 47.27 0.15 3.95 0.96 0.10 47.56