---> uname -a: Linux prd-centos8-builder-4c-4g-29669.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: 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): 0-3 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 745 12232 19 2785 14669 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:b5:59:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:feb5:5999/64 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) 07/21/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 470.57 75.79 394.78 3627.53 14033.08 03:53:01 PM 196.25 6.16 190.09 1365.41 11866.74 03:54:01 PM 81.99 0.98 81.00 135.84 9307.92 Average: 249.60 27.64 221.96 1709.58 11735.92 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12763020 14738764 3378512 20.93 2688 2171972 1154460 6.72 208796 2756176 203988 03:53:01 PM 10652412 13086292 5489120 34.01 2688 2622524 2945388 17.13 336192 4699804 308160 03:54:01 PM 12551544 15046156 3589988 22.24 2688 2682268 866152 5.04 686964 2457260 149852 Average: 11988992 14290404 4152540 25.73 2688 2492255 1655333 9.63 410651 3304413 220667 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 297.13 225.28 2833.51 37.10 0.00 0.00 0.00 0.00 03:53:01 PM lo 174.49 174.49 166.44 166.44 0.00 0.00 0.00 0.00 03:53:01 PM eth0 313.36 231.59 4796.48 32.32 0.00 0.00 0.00 0.00 03:54:01 PM lo 673.34 673.34 688.80 688.80 0.00 0.00 0.00 0.00 03:54:01 PM eth0 115.86 109.57 317.04 646.75 0.00 0.00 0.00 0.00 Average: lo 282.60 282.60 285.07 285.07 0.00 0.00 0.00 0.00 Average: eth0 242.12 188.81 2649.13 238.72 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) 07/21/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 27.50 0.59 11.13 2.27 0.12 58.38 03:52:01 PM 0 34.47 0.40 8.67 1.39 0.13 54.94 03:52:01 PM 1 25.54 0.74 13.48 3.32 0.12 56.81 03:52:01 PM 2 29.87 0.62 11.37 2.06 0.12 55.96 03:52:01 PM 3 20.12 0.62 11.00 2.31 0.12 65.83 03:53:01 PM all 69.12 0.00 2.29 0.82 0.15 27.62 03:53:01 PM 0 66.40 0.00 3.61 0.74 0.17 29.09 03:53:01 PM 1 73.55 0.00 1.44 0.62 0.15 24.24 03:53:01 PM 2 69.72 0.00 1.81 0.79 0.15 27.54 03:53:01 PM 3 66.80 0.00 2.31 1.14 0.15 29.60 03:54:01 PM all 44.42 0.00 2.60 0.28 0.11 52.58 03:54:01 PM 0 45.50 0.00 2.90 0.25 0.13 51.21 03:54:01 PM 1 41.60 0.00 2.29 0.23 0.10 55.77 03:54:01 PM 2 36.63 0.00 2.70 0.25 0.10 60.32 03:54:01 PM 3 53.93 0.00 2.51 0.40 0.12 43.05 Average: all 47.03 0.20 5.33 1.12 0.13 46.18 Average: 0 48.80 0.13 5.06 0.79 0.14 45.07 Average: 1 46.93 0.25 5.72 1.39 0.12 45.59 Average: 2 45.42 0.21 5.29 1.03 0.12 47.93 Average: 3 46.97 0.21 5.27 1.28 0.13 46.15