---> uname -a: Linux prd-centos8-builder-4c-4g-182.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 697 12277 19 2788 14717 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:8e:b1:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.106/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe8e:b140/64 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) 09/25/2025 _x86_64_ (4 CPU) 15:50:28 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:02 PM 273.29 103.67 169.63 1797.93 7696.60 03:53:01 PM 408.61 20.16 388.44 4501.80 14770.43 03:54:01 PM 148.30 0.52 147.78 36.12 13039.24 Average: 276.00 41.57 234.43 2098.60 11819.03 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:02 PM 13351388 15119180 2790144 17.29 2688 1968760 858180 4.99 191336 2213844 230980 03:53:01 PM 10996360 13121384 5145172 31.88 2688 2318316 3360120 19.55 283244 4428488 123052 03:54:01 PM 10323540 12700344 5817992 36.04 2688 2564692 3062488 17.82 476384 4887224 24492 Average: 11557096 13646969 4584436 28.40 2688 2283923 2426929 14.12 316988 3843185 126175 03:51:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:52:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:02 PM eth0 77.77 56.98 1122.03 12.09 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 317.13 266.15 3436.69 45.85 0.00 0.00 0.00 0.00 03:54:01 PM lo 781.74 781.74 787.22 787.22 0.00 0.00 0.00 0.00 03:54:01 PM eth0 224.03 146.68 3449.93 20.36 0.00 0.00 0.00 0.00 Average: lo 262.04 262.04 263.87 263.87 0.00 0.00 0.00 0.00 Average: eth0 205.69 155.99 2665.27 25.99 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) 09/25/2025 _x86_64_ (4 CPU) 15:50:28 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:02 PM all 17.59 0.96 13.69 5.11 0.15 62.49 03:52:02 PM 0 18.67 1.06 14.33 6.95 0.13 58.86 03:52:02 PM 1 12.04 1.06 14.68 3.71 0.15 68.36 03:52:02 PM 2 28.45 0.70 11.24 5.39 0.13 54.09 03:52:02 PM 3 11.20 1.02 14.52 4.40 0.20 68.65 03:53:01 PM all 52.73 0.00 2.70 4.50 0.14 39.92 03:53:01 PM 0 58.50 0.00 1.60 1.16 0.14 38.61 03:53:01 PM 1 49.46 0.00 3.59 7.85 0.15 38.94 03:53:01 PM 2 49.44 0.00 3.47 5.86 0.14 41.09 03:53:01 PM 3 53.52 0.00 2.17 3.16 0.14 41.02 03:54:01 PM all 63.83 0.00 2.66 1.00 0.13 32.38 03:54:01 PM 0 66.66 0.00 3.18 0.52 0.13 29.51 03:54:01 PM 1 66.81 0.00 2.08 1.46 0.12 29.54 03:54:01 PM 2 59.47 0.00 3.19 1.33 0.13 35.88 03:54:01 PM 3 62.38 0.00 2.19 0.67 0.15 34.61 Average: all 44.65 0.32 6.38 3.53 0.14 44.97 Average: 0 47.86 0.35 6.40 2.89 0.13 42.36 Average: 1 42.73 0.35 6.80 4.32 0.14 45.65 Average: 2 45.74 0.24 5.99 4.19 0.14 43.71 Average: 3 42.28 0.34 6.32 2.74 0.16 48.15