---> uname -a: Linux prd-centos8-builder-4c-4g-47654.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 766 12209 19 2787 14649 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:aa:78:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.150/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86164sec preferred_lft 86164sec inet6 fe80::f816:3eff:feaa:7830/64 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) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 402.10 63.65 338.45 4363.48 13437.44 03:53:01 PM 197.09 2.95 194.14 558.56 12172.68 03:54:01 PM 80.20 0.75 79.45 80.13 12856.15 Average: 226.47 22.45 204.03 1667.44 12822.01 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12530152 14549412 3611380 22.37 2688 2215060 1239172 7.21 216448 2978236 218844 03:53:01 PM 8851208 11309012 7290324 45.17 2688 2645928 4499680 26.18 350620 6479492 322776 03:54:01 PM 12557564 15056044 3583968 22.20 2688 2685940 914452 5.32 687436 2448104 35212 Average: 11312975 13638156 4828557 29.91 2688 2515643 2217768 12.90 418168 3968611 192277 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 249.73 203.28 3079.92 38.56 0.00 0.00 0.00 0.00 03:53:01 PM lo 893.14 893.14 892.45 892.45 0.00 0.00 0.00 0.00 03:53:01 PM eth0 296.20 207.16 4566.88 29.33 0.00 0.00 0.00 0.00 03:54:01 PM lo 1.32 1.32 2.33 2.33 0.00 0.00 0.00 0.00 03:54:01 PM eth0 121.80 107.55 310.19 645.49 0.00 0.00 0.00 0.00 Average: lo 298.25 298.25 298.36 298.36 0.00 0.00 0.00 0.00 Average: eth0 222.60 172.68 2652.81 237.73 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) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 32.31 0.42 7.57 2.15 0.11 57.44 03:52:01 PM 0 30.63 0.54 9.66 2.88 0.13 56.16 03:52:01 PM 1 27.09 0.34 6.30 1.73 0.12 64.44 03:52:01 PM 2 34.45 0.42 7.55 2.03 0.10 55.46 03:52:01 PM 3 37.05 0.38 6.78 1.97 0.10 53.72 03:53:01 PM all 72.15 0.00 2.62 0.86 0.13 24.25 03:53:01 PM 0 70.65 0.00 2.44 0.85 0.12 25.94 03:53:01 PM 1 67.99 0.00 2.56 1.39 0.13 27.94 03:53:01 PM 2 70.70 0.00 3.98 0.97 0.13 24.21 03:53:01 PM 3 79.25 0.00 1.50 0.22 0.13 18.90 03:54:01 PM all 38.59 0.00 2.22 0.54 0.10 58.56 03:54:01 PM 0 39.93 0.00 2.09 0.20 0.10 57.68 03:54:01 PM 1 32.31 0.00 1.98 0.72 0.10 64.90 03:54:01 PM 2 46.73 0.00 2.02 0.08 0.08 51.08 03:54:01 PM 3 35.38 0.00 2.78 1.14 0.10 60.60 Average: all 47.69 0.14 4.14 1.18 0.11 46.74 Average: 0 47.08 0.18 4.73 1.31 0.12 46.59 Average: 1 42.48 0.11 3.61 1.28 0.12 52.40 Average: 2 50.63 0.14 4.52 1.03 0.11 43.58 Average: 3 50.57 0.13 3.69 1.11 0.11 44.39