---> uname -a: Linux prd-centos8-builder-4c-4g-27834.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 760 12216 19 2785 14654 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:65:97:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe65:9748/64 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) 07/13/2025 _x86_64_ (4 CPU) 15:50:20 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 239.95 77.73 162.22 3637.38 11829.99 03:53:01 PM 353.86 6.48 347.38 1368.84 12083.15 03:54:01 PM 137.00 0.93 136.07 98.90 10683.31 Average: 243.60 28.38 215.21 1701.83 11532.13 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13071688 14936124 3069844 19.02 2688 2063596 1079784 6.28 195776 2469480 98660 03:53:01 PM 11618312 13758000 4523220 28.02 2688 2331880 2056392 11.96 318384 3768560 61052 03:54:01 PM 12588396 15075852 3553136 22.01 2688 2675496 818664 4.76 512464 2593132 153812 Average: 12426132 14589992 3715400 23.02 2688 2356991 1318280 7.67 342208 2943724 104508 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 154.59 112.94 1119.25 21.97 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 291.97 238.91 3177.52 35.29 0.00 0.00 0.00 0.00 03:54:01 PM lo 770.86 770.86 778.41 778.41 0.00 0.00 0.00 0.00 03:54:01 PM eth0 288.27 208.43 3537.86 641.65 0.00 0.00 0.00 0.00 Average: lo 256.95 256.95 259.47 259.47 0.00 0.00 0.00 0.00 Average: eth0 244.94 186.75 2611.43 232.97 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) 07/13/2025 _x86_64_ (4 CPU) 15:50:20 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 19.64 0.63 11.98 1.39 0.09 66.27 03:52:01 PM 0 27.08 0.32 7.97 0.80 0.10 63.73 03:52:01 PM 1 17.27 0.62 12.36 1.87 0.10 67.78 03:52:01 PM 2 23.27 0.82 14.76 1.94 0.08 59.13 03:52:01 PM 3 10.95 0.75 12.85 0.93 0.08 74.43 03:53:01 PM all 68.73 0.00 2.29 1.57 0.09 27.32 03:53:01 PM 0 56.92 0.00 2.25 1.47 0.08 39.28 03:53:01 PM 1 79.05 0.00 1.71 0.95 0.10 18.19 03:53:01 PM 2 69.45 0.00 2.04 1.27 0.10 27.15 03:53:01 PM 3 69.46 0.00 3.17 2.60 0.08 24.69 03:54:01 PM all 52.01 0.00 2.76 0.53 0.10 44.60 03:54:01 PM 0 58.46 0.00 2.38 0.15 0.10 38.91 03:54:01 PM 1 47.69 0.00 3.61 1.43 0.10 47.17 03:54:01 PM 2 55.07 0.00 1.69 0.13 0.08 43.02 03:54:01 PM 3 46.78 0.00 3.38 0.40 0.12 49.31 Average: all 46.78 0.21 5.68 1.16 0.09 46.07 Average: 0 47.47 0.11 4.20 0.81 0.09 47.32 Average: 1 48.01 0.21 5.89 1.42 0.10 44.37 Average: 2 49.28 0.27 6.15 1.11 0.09 43.09 Average: 3 42.36 0.25 6.48 1.31 0.09 49.51