---> uname -a: Linux prd-centos8-builder-4c-4g-46036.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 759 12216 19 2787 14656 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:50:32:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.171/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe50:329a/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) 09/15/2025 _x86_64_ (4 CPU) 15:50:20 LINUX RESTART (4 CPU) 03:51:02 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 476.59 75.96 400.63 3847.40 14296.71 03:53:01 PM 196.65 3.68 192.97 1234.97 11921.32 03:54:01 PM 86.00 0.73 85.27 79.99 11064.46 Average: 251.85 26.52 225.33 1709.04 12417.15 03:51:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12780952 14763672 3360580 20.82 2688 2179000 1175876 6.84 210600 2738792 203816 03:53:01 PM 10745724 13183368 5395808 33.43 2688 2626212 2681548 15.60 343536 4599468 308132 03:54:01 PM 12477052 14973360 3664480 22.70 2688 2683732 927160 5.39 687932 2531152 98072 Average: 12001243 14306800 4140289 25.65 2688 2496315 1594861 9.28 414023 3289804 203340 03:51:02 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 251.99 202.74 2890.62 35.81 0.00 0.00 0.00 0.00 03:53:01 PM lo 487.63 487.63 465.99 465.99 0.00 0.00 0.00 0.00 03:53:01 PM eth0 350.92 247.13 4803.02 34.23 0.00 0.00 0.00 0.00 03:54:01 PM lo 433.64 433.64 454.88 454.88 0.00 0.00 0.00 0.00 03:54:01 PM eth0 142.01 115.45 312.96 637.77 0.00 0.00 0.00 0.00 Average: lo 308.81 308.81 308.67 308.67 0.00 0.00 0.00 0.00 Average: eth0 248.31 188.37 2668.13 236.99 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) 09/15/2025 _x86_64_ (4 CPU) 15:50:20 LINUX RESTART (4 CPU) 03:51:02 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 28.08 0.52 11.17 2.15 0.11 57.97 03:52:01 PM 0 24.53 0.46 11.63 3.60 0.12 59.66 03:52:01 PM 1 37.34 0.54 11.48 1.38 0.10 49.16 03:52:01 PM 2 21.36 0.49 8.81 1.86 0.10 67.38 03:52:01 PM 3 29.05 0.60 12.74 1.77 0.12 55.72 03:53:01 PM all 69.93 0.00 2.29 0.77 0.14 26.87 03:53:01 PM 0 64.57 0.00 3.19 1.42 0.13 30.68 03:53:01 PM 1 78.03 0.00 1.92 0.13 0.15 19.77 03:53:01 PM 2 71.66 0.00 1.71 0.74 0.13 25.76 03:53:01 PM 3 65.42 0.00 2.36 0.79 0.13 31.30 03:54:01 PM all 43.28 0.00 2.43 0.33 0.10 53.86 03:54:01 PM 0 40.61 0.00 1.72 0.32 0.08 57.27 03:54:01 PM 1 56.46 0.00 2.66 0.57 0.10 40.21 03:54:01 PM 2 42.84 0.00 3.06 0.33 0.12 53.65 03:54:01 PM 3 33.20 0.00 2.26 0.12 0.08 64.33 Average: all 47.22 0.17 5.26 1.08 0.11 46.16 Average: 0 43.36 0.15 5.48 1.77 0.11 49.13 Average: 1 57.41 0.18 5.31 0.69 0.12 36.29 Average: 2 45.44 0.16 4.50 0.97 0.12 48.81 Average: 3 42.64 0.20 5.75 0.89 0.11 50.41