---> uname -a: Linux prd-centos8-builder-4c-4g-14303.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 757 12211 19 2793 14657 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:21:1c:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.142/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe21:1cf4/64 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) 11/21/2025 _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 441.74 85.54 356.20 3832.72 13890.29 03:53:01 PM 202.65 4.80 197.85 1348.79 12120.76 03:54:01 PM 84.67 0.77 83.91 80.51 13030.46 Average: 243.02 30.37 212.65 1753.98 13013.78 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12629628 14614452 3511904 21.76 2688 2180900 1178892 6.86 209248 2888576 204816 03:53:01 PM 10576640 13032960 5564892 34.48 2688 2644540 2698844 15.70 344620 4763844 316336 03:54:01 PM 12467148 14969356 3674384 22.76 2688 2689604 911272 5.30 687880 2539964 33888 Average: 11891139 14205589 4250393 26.33 2688 2505015 1596336 9.29 413916 3397461 185013 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 251.48 197.53 2861.45 36.75 0.00 0.00 0.00 0.00 03:53:01 PM lo 576.05 576.05 550.35 550.35 0.00 0.00 0.00 0.00 03:53:01 PM eth0 339.53 252.04 4803.35 33.56 0.00 0.00 0.00 0.00 03:54:01 PM lo 153.35 153.35 189.35 189.35 0.00 0.00 0.00 0.00 03:54:01 PM eth0 171.98 132.57 316.96 646.03 0.00 0.00 0.00 0.00 Average: lo 243.15 243.15 246.58 246.58 0.00 0.00 0.00 0.00 Average: eth0 254.33 194.05 2660.71 238.77 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) 11/21/2025 _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 26.67 0.56 10.05 2.26 0.08 60.38 03:52:01 PM 0 25.57 1.09 15.70 2.77 0.08 54.79 03:52:01 PM 1 28.35 0.27 7.26 2.04 0.07 62.01 03:52:01 PM 2 21.39 0.39 9.16 3.25 0.08 65.72 03:52:01 PM 3 31.35 0.52 8.06 0.99 0.07 59.02 03:53:01 PM all 71.31 0.00 2.20 0.82 0.10 25.56 03:53:01 PM 0 71.64 0.00 2.91 0.70 0.10 24.65 03:53:01 PM 1 68.45 0.00 2.69 1.45 0.10 27.31 03:53:01 PM 2 69.59 0.00 2.14 0.90 0.10 27.27 03:53:01 PM 3 75.58 0.00 1.08 0.22 0.10 23.02 03:54:01 PM all 42.11 0.00 2.31 0.38 0.08 55.13 03:54:01 PM 0 55.19 0.00 2.72 0.65 0.08 41.35 03:54:01 PM 1 42.13 0.00 2.63 0.30 0.08 54.86 03:54:01 PM 2 32.71 0.00 1.93 0.39 0.08 64.89 03:54:01 PM 3 38.37 0.00 1.96 0.17 0.07 59.44 Average: all 46.71 0.19 4.85 1.15 0.08 47.01 Average: 0 50.80 0.36 7.11 1.38 0.09 40.27 Average: 1 46.32 0.09 4.19 1.27 0.08 48.05 Average: 2 41.26 0.13 4.41 1.51 0.09 52.61 Average: 3 48.46 0.17 3.70 0.46 0.08 47.13