---> uname -a: Linux prd-centos8-builder-4c-4g-6212.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: 2799.996 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 9.3G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 744 12079 19 2939 14670 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:42:d2:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.188/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe42:d2e2/64 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) 10/25/2025 _x86_64_ (4 CPU) 06:02:24 LINUX RESTART (4 CPU) 06:03:03 AM tps rtps wtps bread/s bwrtn/s 06:04:01 AM 475.06 69.26 405.81 3660.04 14385.13 06:05:01 AM 204.08 4.23 199.85 1244.30 12181.05 06:06:01 AM 55.30 1.62 53.68 1735.64 9695.14 Average: 242.21 24.53 217.68 2196.95 12061.18 06:03:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:04:01 AM 12802812 14778432 3338720 20.68 2688 2171864 1119632 6.51 209168 2714840 205196 06:05:01 AM 9942876 12380492 6198656 38.40 2688 2626056 3482624 20.26 332356 5408536 312196 06:06:01 AM 11269648 13902128 4871884 30.18 2688 2820312 1882792 10.95 519256 3901016 186536 Average: 11338445 13687017 4803087 29.76 2688 2539411 2161683 12.58 353593 4008131 234643 06:03:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 AM eth0 247.49 200.45 2948.95 35.80 0.00 0.00 0.00 0.00 06:05:01 AM lo 969.66 969.66 969.31 969.31 0.00 0.00 0.00 0.00 06:05:01 AM eth0 344.13 259.87 4802.52 33.61 0.00 0.00 0.00 0.00 06:06:01 AM lo 1.57 1.57 2.48 2.48 0.00 0.00 0.00 0.00 06:06:01 AM eth0 154.45 112.76 2493.56 12.06 0.00 0.00 0.00 0.00 Average: lo 327.43 327.43 327.62 327.62 0.00 0.00 0.00 0.00 Average: eth0 248.71 190.92 3420.35 27.06 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) 10/25/2025 _x86_64_ (4 CPU) 06:02:24 LINUX RESTART (4 CPU) 06:03:03 AM CPU %user %nice %system %iowait %steal %idle 06:04:01 AM all 29.46 0.46 8.34 2.27 0.10 59.37 06:04:01 AM 0 27.54 0.17 6.31 3.17 0.10 62.71 06:04:01 AM 1 18.00 0.74 10.20 1.66 0.09 69.31 06:04:01 AM 2 26.90 0.54 7.91 2.44 0.10 62.11 06:04:01 AM 3 45.39 0.40 8.94 1.80 0.10 43.36 06:05:01 AM all 67.69 0.00 2.43 0.76 0.11 29.00 06:05:01 AM 0 67.23 0.00 1.46 0.25 0.10 30.96 06:05:01 AM 1 67.89 0.00 2.51 0.65 0.12 28.83 06:05:01 AM 2 64.37 0.00 3.26 0.99 0.12 31.26 06:05:01 AM 3 71.26 0.00 2.49 1.17 0.12 24.96 06:06:01 AM all 61.28 0.00 1.65 0.27 0.10 36.71 06:06:01 AM 0 62.09 0.00 1.84 0.23 0.10 35.73 06:06:01 AM 1 66.00 0.00 0.70 0.00 0.10 33.19 06:06:01 AM 2 60.41 0.00 1.72 0.37 0.10 37.39 06:06:01 AM 3 56.59 0.00 2.33 0.49 0.08 40.51 Average: all 53.08 0.15 4.09 1.09 0.10 41.49 Average: 0 52.57 0.06 3.17 1.19 0.10 42.91 Average: 1 51.02 0.24 4.40 0.76 0.10 43.47 Average: 2 50.83 0.17 4.26 1.25 0.11 43.38 Average: 3 57.90 0.13 4.53 1.14 0.10 36.19