---> uname -a: Linux prd-centos8-builder-4c-4g-47865.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 753 12221 19 2787 14661 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:de:50:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.141/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fede:503d/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) 09/21/2025 _x86_64_ (4 CPU) 15:51:01 LINUX RESTART (4 CPU) 03:52:03 PM tps rtps wtps bread/s bwrtn/s 03:53:01 PM 346.90 17.98 328.92 3921.13 13596.55 03:54:01 PM 159.06 3.58 155.48 660.27 8502.60 03:55:01 PM 81.22 0.77 80.46 80.51 9399.08 Average: 194.02 7.32 186.70 1527.19 10464.18 03:52:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 PM 12334320 14387128 3807212 23.59 2688 2247976 1632520 9.50 224848 3161184 160548 03:54:01 PM 10894056 13345172 5247476 32.51 2688 2639260 2426476 14.12 345768 4448540 316308 03:55:01 PM 12506652 15003436 3634880 22.52 2688 2684408 895932 5.21 687820 2502692 139576 Average: 11911676 14245245 4229856 26.20 2688 2523881 1651643 9.61 419479 3370805 205477 03:52:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 279.80 228.87 3090.03 40.65 0.00 0.00 0.00 0.00 03:54:01 PM lo 598.20 598.20 571.73 571.73 0.00 0.00 0.00 0.00 03:54:01 PM eth0 284.37 208.29 4029.09 28.06 0.00 0.00 0.00 0.00 03:55:01 PM lo 194.09 194.09 230.68 230.68 0.00 0.00 0.00 0.00 03:55:01 PM eth0 122.89 115.48 312.52 645.57 0.00 0.00 0.00 0.00 Average: lo 267.14 267.14 270.54 270.54 0.00 0.00 0.00 0.00 Average: eth0 228.46 183.72 2470.68 240.26 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) 09/21/2025 _x86_64_ (4 CPU) 15:51:01 LINUX RESTART (4 CPU) 03:52:03 PM CPU %user %nice %system %iowait %steal %idle 03:53:01 PM all 33.06 0.00 2.51 2.87 0.12 61.44 03:53:01 PM 0 38.71 0.00 3.20 2.72 0.10 55.27 03:53:01 PM 1 34.80 0.00 2.42 2.63 0.12 60.03 03:53:01 PM 2 26.05 0.00 1.35 2.11 0.16 70.34 03:53:01 PM 3 32.68 0.00 3.09 4.04 0.09 60.11 03:54:01 PM all 64.71 0.00 2.11 1.66 0.12 31.40 03:54:01 PM 0 64.57 0.00 1.79 1.70 0.12 31.82 03:54:01 PM 1 58.38 0.00 2.45 4.14 0.12 34.92 03:54:01 PM 2 68.14 0.00 1.59 0.20 0.12 29.95 03:54:01 PM 3 67.75 0.00 2.61 0.60 0.13 28.91 03:55:01 PM all 42.32 0.00 2.26 0.37 0.09 54.96 03:55:01 PM 0 41.73 0.00 2.49 0.23 0.10 55.44 03:55:01 PM 1 56.32 0.00 2.26 0.42 0.10 40.89 03:55:01 PM 2 29.39 0.00 2.08 0.28 0.07 68.19 03:55:01 PM 3 41.84 0.00 2.21 0.55 0.08 55.32 Average: all 46.86 0.00 2.29 1.62 0.11 49.12 Average: 0 48.45 0.00 2.49 1.54 0.11 47.42 Average: 1 49.99 0.00 2.38 2.39 0.11 45.13 Average: 2 41.38 0.00 1.68 0.85 0.11 55.98 Average: 3 47.60 0.00 2.63 1.70 0.10 47.96