---> uname -a: Linux prd-centos8-builder-4c-4g-23055.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 765 12228 19 2768 14651 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:2e:56:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.109/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe2e:5686/64 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) 06/22/2025 _x86_64_ (4 CPU) 20:05:10 LINUX RESTART (4 CPU) 08:06:01 PM tps rtps wtps bread/s bwrtn/s 08:07:01 PM 354.90 43.20 311.70 3967.61 13269.93 08:08:01 PM 182.46 4.05 178.41 761.09 10963.95 08:09:01 PM 83.66 0.77 82.89 80.24 9796.73 Average: 207.00 16.00 191.00 1602.93 11343.52 08:06:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:07:01 PM 12620812 14615764 3520720 21.81 2688 2191876 1206536 7.02 212848 2895640 190712 08:08:01 PM 10647580 13081060 5493952 34.04 2688 2622764 2719176 15.82 347148 4697084 316304 08:09:01 PM 12489612 14968412 3651920 22.62 2688 2667336 911112 5.30 687408 2523528 129732 Average: 11919335 14221745 4222197 26.16 2688 2493992 1612275 9.38 415801 3372084 212249 08:06:01 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 378.91 286.74 2996.95 42.71 0.00 0.00 0.00 0.00 08:08:01 PM lo 845.69 845.69 802.75 802.75 0.00 0.00 0.00 0.00 08:08:01 PM eth0 314.89 230.68 4566.59 30.78 0.00 0.00 0.00 0.00 08:09:01 PM lo 3.62 3.62 48.59 48.59 0.00 0.00 0.00 0.00 08:09:01 PM eth0 128.74 116.94 311.50 647.27 0.00 0.00 0.00 0.00 Average: lo 283.13 283.13 283.81 283.81 0.00 0.00 0.00 0.00 Average: eth0 274.18 211.46 2625.12 240.24 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) 06/22/2025 _x86_64_ (4 CPU) 20:05:10 LINUX RESTART (4 CPU) 08:06:01 PM CPU %user %nice %system %iowait %steal %idle 08:07:01 PM all 29.26 0.30 6.01 2.91 0.10 61.42 08:07:01 PM 0 26.24 0.28 4.96 1.92 0.08 66.52 08:07:01 PM 1 43.17 0.44 9.55 4.02 0.12 42.71 08:07:01 PM 2 29.03 0.25 5.20 3.65 0.10 61.77 08:07:01 PM 3 18.61 0.23 4.33 2.07 0.08 74.67 08:08:01 PM all 70.59 0.00 2.39 1.25 0.13 25.65 08:08:01 PM 0 77.91 0.00 1.70 0.72 0.13 19.54 08:08:01 PM 1 63.42 0.00 2.37 1.24 0.12 32.85 08:08:01 PM 2 69.40 0.00 3.28 1.47 0.12 25.73 08:08:01 PM 3 71.60 0.00 2.19 1.55 0.13 24.52 08:09:01 PM all 40.89 0.00 2.35 0.57 0.08 56.11 08:09:01 PM 0 48.83 0.00 2.22 1.05 0.08 47.81 08:09:01 PM 1 40.31 0.00 2.81 0.72 0.08 56.07 08:09:01 PM 2 39.96 0.00 2.36 0.25 0.08 57.35 08:09:01 PM 3 34.43 0.00 1.99 0.27 0.07 63.24 Average: all 46.92 0.10 3.58 1.58 0.10 47.72 Average: 0 51.00 0.09 2.96 1.23 0.10 44.61 Average: 1 48.97 0.15 4.91 1.99 0.11 43.87 Average: 2 46.13 0.08 3.62 1.79 0.10 48.28 Average: 3 41.57 0.08 2.84 1.30 0.09 54.12