---> uname -a: Linux prd-centos8-builder-4c-4g-2520.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 717 12257 19 2788 14698 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:33:2a:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.60/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:fe33:2a6e/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) 10/13/2025 _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 295.02 110.68 184.34 1883.70 7497.42 03:53:01 PM 268.34 19.49 248.85 4373.21 12500.60 03:54:01 PM 88.04 0.48 87.55 123.18 6457.47 03:55:01 PM 118.51 0.52 117.99 40.79 8737.09 Average: 192.48 32.79 159.69 1605.27 8798.30 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13469344 15150088 2672188 16.55 2688 1885944 800276 4.66 181692 2117916 152256 03:53:01 PM 12470008 14559052 3671524 22.75 2688 2283816 1257860 7.32 267716 2982068 130496 03:54:01 PM 11005800 13150188 5135732 31.82 2688 2336356 2732972 15.90 318384 4381128 6812 03:55:01 PM 12524956 15003912 3616576 22.41 2688 2666828 880852 5.12 512288 2659352 133124 Average: 12367527 14465810 3774005 23.38 2688 2293236 1417990 8.25 320020 3035116 105672 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 88.00 61.07 1027.10 24.76 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 279.94 232.36 3157.74 39.17 0.00 0.00 0.00 0.00 03:54:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 PM eth0 48.41 47.19 390.36 9.82 0.00 0.00 0.00 0.00 03:55:01 PM lo 909.71 909.71 912.62 912.62 0.00 0.00 0.00 0.00 03:55:01 PM eth0 210.05 157.53 3426.35 20.79 0.00 0.00 0.00 0.00 Average: lo 227.45 227.45 228.17 228.17 0.00 0.00 0.00 0.00 Average: eth0 156.61 124.54 2000.49 23.64 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) 10/13/2025 _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 15.53 1.22 12.84 5.68 0.13 64.59 03:52:01 PM 0 14.98 0.89 10.31 5.48 0.13 68.21 03:52:01 PM 1 21.32 2.01 15.70 8.63 0.13 52.20 03:52:01 PM 2 14.04 1.07 13.33 6.06 0.10 65.40 03:52:01 PM 3 11.79 0.92 12.04 2.56 0.13 72.55 03:53:01 PM all 40.47 0.00 2.30 5.31 0.11 51.82 03:53:01 PM 0 40.71 0.00 1.94 3.33 0.12 53.89 03:53:01 PM 1 29.40 0.00 2.03 4.13 0.10 64.35 03:53:01 PM 2 46.44 0.00 2.68 8.09 0.12 42.67 03:53:01 PM 3 45.31 0.00 2.53 5.69 0.10 46.37 03:54:01 PM all 36.82 0.00 0.94 2.04 0.09 60.11 03:54:01 PM 0 41.19 0.00 0.45 2.36 0.08 55.92 03:54:01 PM 1 30.47 0.00 1.00 1.50 0.08 66.94 03:54:01 PM 2 42.82 0.00 0.45 0.99 0.08 55.66 03:54:01 PM 3 32.81 0.00 1.86 3.33 0.10 61.91 03:55:01 PM all 49.92 0.00 2.44 0.93 0.12 46.60 03:55:01 PM 0 48.77 0.00 2.15 1.61 0.12 47.36 03:55:01 PM 1 41.55 0.00 2.06 0.65 0.12 55.62 03:55:01 PM 2 54.52 0.00 2.32 0.49 0.12 42.56 03:55:01 PM 3 54.86 0.00 3.22 0.96 0.12 40.84 Average: all 35.69 0.31 4.63 3.49 0.11 55.78 Average: 0 36.41 0.22 3.71 3.20 0.11 56.34 Average: 1 30.69 0.50 5.19 3.72 0.11 59.78 Average: 2 39.46 0.27 4.69 3.90 0.10 51.57 Average: 3 36.18 0.23 4.92 3.13 0.11 55.43