---> uname -a: Linux prd-centos8-builder-4c-4g-39833.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 742 12235 19 2785 14673 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:3b:93:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.59/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe3b:935d/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) 08/21/2025 _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 262.46 60.26 202.20 3497.25 11609.89 03:53:01 PM 299.95 6.27 293.68 1365.51 13558.82 03:54:01 PM 98.67 0.98 97.68 103.57 9109.55 Average: 220.37 22.52 197.85 1655.97 11426.02 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12881704 14824324 3259828 20.20 2688 2139808 1149648 6.69 205548 2643532 190744 03:53:01 PM 11369184 13614496 4772348 29.57 2688 2435640 2196892 12.78 320876 4005924 121664 03:54:01 PM 12570528 15064100 3571004 22.12 2688 2681160 862008 5.01 683720 2441660 159072 Average: 12273805 14500973 3867727 23.96 2688 2418869 1402849 8.16 403381 3030372 157160 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 266.12 205.84 2378.87 34.97 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 296.68 239.39 3628.09 34.56 0.00 0.00 0.00 0.00 03:54:01 PM lo 890.74 890.74 891.34 891.34 0.00 0.00 0.00 0.00 03:54:01 PM eth0 176.94 139.82 1992.02 644.48 0.00 0.00 0.00 0.00 Average: lo 296.85 296.85 297.05 297.05 0.00 0.00 0.00 0.00 Average: eth0 246.59 195.02 2666.19 237.96 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) 08/21/2025 _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 24.85 0.38 6.48 2.46 0.10 65.72 03:52:01 PM 0 24.52 0.33 6.86 3.15 0.12 65.02 03:52:01 PM 1 31.50 0.32 6.39 1.67 0.10 60.02 03:52:01 PM 2 23.55 0.52 7.57 2.52 0.10 65.73 03:52:01 PM 3 19.82 0.35 5.12 2.51 0.10 72.11 03:53:01 PM all 65.46 0.00 2.38 2.55 0.11 29.50 03:53:01 PM 0 57.30 0.00 3.70 4.31 0.13 34.56 03:53:01 PM 1 64.54 0.00 1.81 2.73 0.10 30.83 03:53:01 PM 2 71.66 0.00 2.41 2.46 0.10 23.37 03:53:01 PM 3 68.30 0.00 1.63 0.70 0.12 29.25 03:54:01 PM all 51.57 0.00 2.80 0.59 0.10 44.93 03:54:01 PM 0 54.49 0.00 2.52 0.35 0.10 42.54 03:54:01 PM 1 53.60 0.00 3.05 0.59 0.10 42.66 03:54:01 PM 2 43.81 0.00 2.62 0.97 0.12 52.48 03:54:01 PM 3 54.36 0.00 3.00 0.47 0.10 42.07 Average: all 47.27 0.13 3.89 1.87 0.11 46.74 Average: 0 45.40 0.11 4.36 2.60 0.12 47.41 Average: 1 49.87 0.11 3.75 1.66 0.10 44.51 Average: 2 46.34 0.17 4.20 1.99 0.11 47.19 Average: 3 47.46 0.12 3.25 1.23 0.11 47.83