---> uname -a: Linux prd-centos8-builder-4c-4g-6555.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 766 12203 19 2793 14648 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:e7:f2:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.86/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fee7:f27d/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) 10/26/2025 _x86_64_ (4 CPU) 15:50:25 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 276.61 95.82 180.79 3965.61 11164.53 03:53:01 PM 395.95 5.73 390.22 1305.30 14278.81 03:54:01 PM 85.99 0.80 85.19 58.79 9788.04 Average: 252.86 34.12 218.74 1776.66 11743.90 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12896668 14828572 3244856 20.10 2688 2130316 1088180 6.33 202888 2635992 186504 03:53:01 PM 11578080 13931844 4563444 28.27 2688 2543920 1829984 10.65 325708 3792824 241128 03:54:01 PM 12484908 14985944 3656616 22.65 2688 2688584 922872 5.37 685072 2522136 156744 Average: 12319885 14582120 3821639 23.68 2688 2454273 1280345 7.45 404556 2983651 194792 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 177.66 137.74 2097.48 27.50 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 428.37 334.07 5595.83 44.26 0.00 0.00 0.00 0.00 03:54:01 PM lo 1254.71 1254.71 1242.80 1242.80 0.00 0.00 0.00 0.00 03:54:01 PM eth0 127.16 116.08 330.21 644.12 0.00 0.00 0.00 0.00 Average: lo 418.19 418.19 414.22 414.22 0.00 0.00 0.00 0.00 Average: eth0 244.40 195.97 2674.64 238.60 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) 10/26/2025 _x86_64_ (4 CPU) 15:50:25 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 24.85 0.87 16.73 1.96 0.13 55.47 03:52:01 PM 0 30.46 0.89 17.57 2.28 0.13 48.68 03:52:01 PM 1 27.38 0.92 16.35 1.39 0.12 53.84 03:52:01 PM 2 19.80 0.94 17.62 1.79 0.12 59.73 03:52:01 PM 3 21.74 0.75 15.36 2.38 0.13 59.64 03:53:01 PM all 67.24 0.00 2.50 1.68 0.13 28.46 03:53:01 PM 0 68.88 0.00 2.17 0.92 0.12 27.91 03:53:01 PM 1 67.12 0.00 3.59 3.44 0.13 25.71 03:53:01 PM 2 74.16 0.00 2.09 1.35 0.13 22.26 03:53:01 PM 3 58.80 0.00 2.14 0.99 0.12 37.96 03:54:01 PM all 50.64 0.00 2.70 0.36 0.11 46.20 03:54:01 PM 0 54.21 0.00 2.76 0.49 0.12 42.43 03:54:01 PM 1 47.50 0.00 1.92 0.27 0.10 50.21 03:54:01 PM 2 51.08 0.00 3.13 0.08 0.12 45.59 03:54:01 PM 3 49.76 0.00 2.97 0.59 0.10 46.59 Average: all 47.59 0.29 7.30 1.33 0.12 43.37 Average: 0 51.20 0.30 7.49 1.23 0.12 39.66 Average: 1 47.34 0.31 7.29 1.70 0.12 43.25 Average: 2 48.37 0.31 7.61 1.08 0.12 42.51 Average: 3 43.43 0.25 6.82 1.32 0.12 48.06