---> uname -a: Linux prd-centos8-builder-4c-4g-20105.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 744 12249 19 2769 14672 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:8f:5b:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.115/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe8f:5bd6/64 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) 06/10/2025 _x86_64_ (4 CPU) 20:05:15 LINUX RESTART (4 CPU) 08:06:02 PM tps rtps wtps bread/s bwrtn/s 08:07:01 PM 386.70 38.21 348.49 3390.72 13813.42 08:08:01 PM 122.14 3.97 118.18 1278.37 10356.06 08:09:01 PM 128.01 0.52 127.50 79.45 8904.22 Average: 211.32 14.10 197.22 1572.83 11009.11 08:06:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:07:01 PM 12723000 14686424 3418532 21.18 2688 2160608 1160352 6.75 210864 2795320 175920 08:08:01 PM 11738704 13861576 4402828 27.28 2688 2316484 1941972 11.30 318048 3652392 15308 08:09:01 PM 12532952 14993584 3608580 22.36 2688 2650136 935824 5.44 512056 2654548 133288 Average: 12331552 14513861 3809980 23.60 2688 2375743 1346049 7.83 346989 3034087 108172 08:06:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 PM eth0 348.20 256.22 2809.21 40.30 0.00 0.00 0.00 0.00 08:08:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 PM eth0 127.54 103.05 1449.23 16.37 0.00 0.00 0.00 0.00 08:09:01 PM lo 1061.46 1061.46 1055.58 1055.58 0.00 0.00 0.00 0.00 08:09:01 PM eth0 232.64 159.49 3446.05 22.32 0.00 0.00 0.00 0.00 Average: lo 355.76 355.76 353.79 353.79 0.00 0.00 0.00 0.00 Average: eth0 235.50 172.45 2566.77 26.25 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) 06/10/2025 _x86_64_ (4 CPU) 20:05:15 LINUX RESTART (4 CPU) 08:06:02 PM CPU %user %nice %system %iowait %steal %idle 08:07:01 PM all 27.73 0.24 5.37 2.19 0.10 64.37 08:07:01 PM 0 17.49 0.24 5.21 2.79 0.10 74.17 08:07:01 PM 1 29.32 0.31 6.68 2.22 0.12 61.35 08:07:01 PM 2 25.17 0.22 5.22 1.84 0.10 67.45 08:07:01 PM 3 38.95 0.19 4.37 1.90 0.09 54.51 08:08:01 PM all 53.28 0.00 1.43 0.77 0.10 44.42 08:08:01 PM 0 52.55 0.00 1.40 0.70 0.10 45.24 08:08:01 PM 1 50.10 0.00 1.95 1.00 0.08 46.86 08:08:01 PM 2 56.92 0.00 1.14 1.30 0.10 40.54 08:08:01 PM 3 53.53 0.00 1.24 0.08 0.10 45.05 08:09:01 PM all 48.72 0.00 2.53 0.55 0.10 48.09 08:09:01 PM 0 45.92 0.00 2.90 0.35 0.12 50.71 08:09:01 PM 1 54.73 0.00 2.03 0.85 0.12 42.27 08:09:01 PM 2 46.22 0.00 3.37 0.40 0.10 49.91 08:09:01 PM 3 48.02 0.00 1.84 0.59 0.08 49.47 Average: all 43.34 0.08 3.10 1.16 0.10 52.22 Average: 0 38.77 0.08 3.16 1.27 0.11 56.61 Average: 1 44.81 0.10 3.53 1.35 0.11 50.09 Average: 2 42.89 0.07 3.23 1.18 0.10 52.53 Average: 3 46.88 0.06 2.47 0.85 0.09 49.65