---> uname -a: Linux prd-centos8-builder-4c-4g-2927.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 714 12256 19 2792 14700 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:3c:a8:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe3c:a8ab/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) 10/15/2025 _x86_64_ (4 CPU) 15:50:27 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 231.08 103.62 127.46 4104.25 9118.60 03:53:01 PM 362.45 5.85 356.60 1306.50 15120.26 03:54:01 PM 141.64 0.55 141.09 41.33 10748.99 Average: 245.06 36.67 208.39 1817.33 11662.81 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13196644 15066628 2944888 18.24 2688 2069664 942888 5.49 196292 2353792 180804 03:53:01 PM 11679116 13825184 4462416 27.65 2688 2338012 1955376 11.38 318884 3706096 60560 03:54:01 PM 12538684 15021388 3602848 22.32 2688 2670128 865124 5.03 512900 2642232 133120 Average: 12471481 14637733 3670051 22.74 2688 2359268 1254463 7.30 342692 2900707 124828 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 103.37 74.74 1321.87 18.40 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 293.39 245.80 3203.20 39.92 0.00 0.00 0.00 0.00 03:54:01 PM lo 1196.97 1196.97 1186.37 1186.37 0.00 0.00 0.00 0.00 03:54:01 PM eth0 240.64 163.46 3438.13 23.15 0.00 0.00 0.00 0.00 Average: lo 398.97 398.97 395.44 395.44 0.00 0.00 0.00 0.00 Average: eth0 212.47 161.34 2654.43 27.16 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) 10/15/2025 _x86_64_ (4 CPU) 15:50:27 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 22.50 0.80 10.47 2.74 0.11 63.38 03:52:01 PM 0 40.10 0.79 11.53 2.96 0.12 44.50 03:52:01 PM 1 15.39 0.77 10.82 2.65 0.12 70.27 03:52:01 PM 2 13.77 0.86 9.68 2.47 0.10 73.13 03:52:01 PM 3 20.70 0.79 9.87 2.90 0.10 65.63 03:53:01 PM all 67.55 0.00 2.47 2.55 0.17 27.26 03:53:01 PM 0 64.04 0.00 4.23 5.02 0.17 26.54 03:53:01 PM 1 73.35 0.00 1.64 1.24 0.17 23.61 03:53:01 PM 2 68.55 0.00 1.84 1.71 0.17 27.74 03:53:01 PM 3 64.25 0.00 2.17 2.22 0.18 31.16 03:54:01 PM all 53.57 0.00 2.72 3.39 0.15 40.17 03:54:01 PM 0 57.95 0.00 2.16 0.74 0.13 39.02 03:54:01 PM 1 46.62 0.00 2.36 3.27 0.17 47.58 03:54:01 PM 2 58.98 0.00 3.72 2.43 0.15 34.73 03:54:01 PM 3 50.73 0.00 2.63 7.14 0.13 39.37 Average: all 47.89 0.27 5.22 2.89 0.14 43.59 Average: 0 54.03 0.26 5.98 2.91 0.14 36.69 Average: 1 45.14 0.26 4.94 2.38 0.15 47.13 Average: 2 47.13 0.28 5.07 2.20 0.14 45.18 Average: 3 45.24 0.26 4.89 4.09 0.14 45.38