---> uname -a: Linux prd-centos8-builder-4c-4g-12963.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 696 12273 19 2793 14718 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:12:ed:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.79/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe12:ed41/64 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) 11/15/2025 _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 361.70 74.04 287.65 3686.24 13266.79 03:53:01 PM 248.98 6.03 242.94 1362.97 11721.15 03:54:01 PM 102.27 0.98 101.28 103.57 9767.76 Average: 237.65 27.02 210.62 1717.61 11585.23 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12859808 14818472 3281716 20.33 2688 2155416 1107420 6.44 207316 2662624 182316 03:53:01 PM 11293480 13450416 4848044 30.03 2688 2347648 2349904 13.67 320484 4083888 47140 03:54:01 PM 12615412 15117512 3526112 21.84 2688 2689420 816064 4.75 619684 2460756 160968 Average: 12256233 14462133 3885291 24.07 2688 2397495 1424463 8.29 382495 3069089 130141 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 216.68 171.84 2513.69 33.18 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 177.52 158.06 1926.20 28.71 0.00 0.00 0.00 0.00 03:54:01 PM lo 1105.83 1105.83 1101.10 1101.10 0.00 0.00 0.00 0.00 03:54:01 PM eth0 351.02 242.50 3557.58 657.43 0.00 0.00 0.00 0.00 Average: lo 368.63 368.63 367.05 367.05 0.00 0.00 0.00 0.00 Average: eth0 248.41 190.80 2665.86 239.78 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) 11/15/2025 _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 26.90 0.54 9.90 2.43 0.11 60.12 03:52:01 PM 0 19.54 0.42 9.05 1.59 0.10 69.31 03:52:01 PM 1 20.92 0.42 7.80 2.08 0.12 68.66 03:52:01 PM 2 36.47 0.69 11.65 3.33 0.12 47.75 03:52:01 PM 3 30.66 0.62 11.09 2.74 0.12 54.77 03:53:01 PM all 58.33 0.00 1.92 1.40 0.12 38.23 03:53:01 PM 0 49.28 0.00 1.92 1.79 0.12 46.89 03:53:01 PM 1 61.34 0.00 2.46 1.35 0.12 34.73 03:53:01 PM 2 56.07 0.00 2.02 1.52 0.13 40.25 03:53:01 PM 3 66.64 0.00 1.27 0.95 0.12 31.01 03:54:01 PM all 53.07 0.00 2.93 0.44 0.12 43.44 03:54:01 PM 0 45.64 0.00 1.82 0.10 0.13 52.30 03:54:01 PM 1 50.85 0.00 3.75 0.64 0.13 44.63 03:54:01 PM 2 59.13 0.00 3.51 0.82 0.10 36.44 03:54:01 PM 3 56.65 0.00 2.65 0.22 0.10 40.39 Average: all 46.11 0.18 4.91 1.43 0.12 47.26 Average: 0 38.16 0.14 4.26 1.16 0.12 56.16 Average: 1 44.39 0.14 4.67 1.36 0.12 49.33 Average: 2 50.56 0.23 5.73 1.89 0.12 41.48 Average: 3 51.34 0.21 5.00 1.30 0.11 42.04