---> uname -a: Linux prd-centos8-builder-4c-4g-34328.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 751 12226 19 2785 14663 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:97:78:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.53/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fe97:784a/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) 08/10/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 420.78 69.51 351.27 3578.27 13708.51 03:53:01 PM 203.93 6.38 197.55 1420.73 12123.36 03:54:01 PM 82.04 0.77 81.27 80.52 10805.38 Average: 235.59 25.55 210.04 1693.26 12212.50 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12807584 14782772 3333940 20.65 2688 2171592 1146436 6.67 209016 2711040 203988 03:53:01 PM 10756912 13205780 5384612 33.36 2688 2637432 2626048 15.28 344940 4584224 316284 03:54:01 PM 12522380 15016532 3619144 22.42 2688 2681888 878420 5.11 686964 2486196 98056 Average: 12028959 14335028 4112565 25.48 2688 2496971 1550301 9.02 413640 3260487 206109 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 290.90 225.24 2841.24 38.73 0.00 0.00 0.00 0.00 03:53:01 PM lo 531.32 531.32 507.78 507.78 0.00 0.00 0.00 0.00 03:53:01 PM eth0 343.42 243.34 4805.23 33.51 0.00 0.00 0.00 0.00 03:54:01 PM lo 241.38 241.38 269.86 269.86 0.00 0.00 0.00 0.00 03:54:01 PM eth0 161.51 128.05 314.43 645.36 0.00 0.00 0.00 0.00 Average: lo 257.57 257.57 259.21 259.21 0.00 0.00 0.00 0.00 Average: eth0 265.28 198.88 2653.76 239.18 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) 08/10/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 27.13 0.47 8.42 2.42 0.09 61.47 03:52:01 PM 0 23.36 0.42 7.95 2.71 0.08 65.48 03:52:01 PM 1 35.46 0.54 10.16 2.65 0.10 51.10 03:52:01 PM 2 27.75 0.42 8.26 2.60 0.10 60.87 03:52:01 PM 3 21.97 0.50 7.30 1.74 0.08 68.40 03:53:01 PM all 70.08 0.00 2.32 1.17 0.13 26.30 03:53:01 PM 0 80.93 0.00 1.59 0.45 0.13 16.89 03:53:01 PM 1 65.60 0.00 3.45 1.96 0.12 28.88 03:53:01 PM 2 72.38 0.00 1.79 0.95 0.12 24.76 03:53:01 PM 3 61.37 0.00 2.46 1.32 0.13 34.71 03:54:01 PM all 42.32 0.00 2.47 0.44 0.08 54.70 03:54:01 PM 0 44.34 0.00 2.06 0.40 0.08 53.11 03:54:01 PM 1 31.05 0.00 2.77 0.87 0.08 65.23 03:54:01 PM 2 43.65 0.00 2.49 0.30 0.08 53.47 03:54:01 PM 3 50.22 0.00 2.54 0.17 0.08 46.99 Average: all 46.53 0.16 4.40 1.34 0.10 47.48 Average: 0 49.57 0.14 3.86 1.19 0.10 45.14 Average: 1 44.05 0.18 5.45 1.83 0.10 48.39 Average: 2 47.95 0.14 4.18 1.28 0.10 46.35 Average: 3 44.52 0.17 4.10 1.08 0.10 50.03