---> uname -a: Linux prd-centos8-builder-4c-4g-2723.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 749 12221 19 2791 14665 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:47:19:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.138/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe47:191d/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) 10/14/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 323.44 65.87 257.57 3617.66 12914.84 03:53:01 PM 242.91 5.98 236.93 1359.51 11754.01 03:54:01 PM 119.86 0.52 119.34 79.44 9684.67 Average: 228.74 24.13 204.62 1685.66 11451.24 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12795792 14752988 3345740 20.73 2688 2154032 1136876 6.61 207544 2727716 181764 03:53:01 PM 11750576 13897188 4390956 27.20 2688 2338584 1881220 10.94 318852 3635180 41488 03:54:01 PM 12521496 15003392 3620036 22.43 2688 2669972 903072 5.25 511592 2662952 133272 Average: 12355955 14551189 3785577 23.45 2688 2387529 1307056 7.60 345996 3008616 118841 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 220.02 175.80 2500.08 33.61 0.00 0.00 0.00 0.00 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 172.82 147.48 1840.91 22.75 0.00 0.00 0.00 0.00 03:54:01 PM lo 1123.58 1123.58 1117.66 1117.66 0.00 0.00 0.00 0.00 03:54:01 PM eth0 222.64 156.25 3425.46 20.28 0.00 0.00 0.00 0.00 Average: lo 374.53 374.53 372.55 372.55 0.00 0.00 0.00 0.00 Average: eth0 205.16 159.84 2588.85 25.55 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) 10/14/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 26.70 0.46 7.96 1.98 0.10 62.79 03:52:01 PM 0 20.56 0.32 5.86 1.57 0.12 71.58 03:52:01 PM 1 27.89 0.62 9.07 1.52 0.10 60.80 03:52:01 PM 2 35.47 0.30 8.53 2.90 0.10 52.70 03:52:01 PM 3 22.91 0.62 8.38 1.94 0.10 66.05 03:53:01 PM all 61.45 0.00 1.82 1.17 0.13 35.44 03:53:01 PM 0 51.01 0.00 1.92 1.12 0.13 45.81 03:53:01 PM 1 67.64 0.00 1.47 0.37 0.12 30.40 03:53:01 PM 2 58.06 0.00 2.85 2.39 0.13 36.57 03:53:01 PM 3 69.07 0.00 1.03 0.78 0.12 28.99 03:54:01 PM all 50.04 0.00 2.50 0.68 0.13 46.65 03:54:01 PM 0 45.94 0.00 1.96 0.64 0.12 51.35 03:54:01 PM 1 48.67 0.00 3.13 0.55 0.13 47.51 03:54:01 PM 2 50.95 0.00 2.34 1.05 0.12 45.54 03:54:01 PM 3 54.60 0.00 2.57 0.48 0.13 42.20 Average: all 46.07 0.15 4.09 1.28 0.12 48.29 Average: 0 39.16 0.11 3.25 1.11 0.12 56.26 Average: 1 48.07 0.21 4.56 0.81 0.12 46.24 Average: 2 48.17 0.10 4.57 2.11 0.12 44.93 Average: 3 48.89 0.21 3.99 1.07 0.12 45.73