---> uname -a: Linux prd-centos8-builder-4c-4g-30585.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: 2800.000 BogoMIPS: 5600.00 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 694 12282 19 2785 14720 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:21:cd:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe21:cd36/64 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) 07/25/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 417.66 66.08 351.58 3545.88 13092.90 03:53:01 PM 208.55 6.15 202.40 1416.36 12786.64 03:54:01 PM 81.10 0.77 80.34 80.52 12914.28 Average: 235.78 24.33 211.45 1681.00 12931.27 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12738808 14714396 3402724 21.08 2688 2171908 1140076 6.63 209208 2781140 223192 03:53:01 PM 10752240 13201784 5389292 33.39 2688 2637784 2531484 14.73 346288 4588976 316308 03:54:01 PM 12527784 15022724 3613748 22.39 2688 2682204 902964 5.25 687792 2479900 33356 Average: 12006277 14312968 4135255 25.62 2688 2497299 1524841 8.87 414429 3283339 190952 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 294.90 226.31 2834.77 38.01 0.00 0.00 0.00 0.00 03:53:01 PM lo 804.16 804.16 768.13 768.13 0.00 0.00 0.00 0.00 03:53:01 PM eth0 346.46 243.69 4811.15 33.54 0.00 0.00 0.00 0.00 03:54:01 PM lo 66.39 66.39 107.93 107.93 0.00 0.00 0.00 0.00 03:54:01 PM eth0 126.01 112.80 311.23 645.00 0.00 0.00 0.00 0.00 Average: lo 290.23 290.23 292.06 292.06 0.00 0.00 0.00 0.00 Average: eth0 255.80 194.27 2652.63 238.81 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) 07/25/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 27.35 0.44 7.91 2.12 0.10 62.09 03:52:01 PM 0 30.44 0.32 7.76 3.45 0.13 57.90 03:52:01 PM 1 30.51 0.57 10.62 1.62 0.08 56.60 03:52:01 PM 2 26.77 0.37 6.36 2.19 0.08 64.22 03:52:01 PM 3 21.66 0.50 6.91 1.20 0.08 69.65 03:53:01 PM all 70.94 0.00 2.33 0.82 0.11 25.80 03:53:01 PM 0 66.67 0.00 3.09 1.07 0.10 29.07 03:53:01 PM 1 77.27 0.00 2.20 0.65 0.12 19.76 03:53:01 PM 2 71.83 0.00 1.70 0.70 0.12 25.64 03:53:01 PM 3 67.97 0.00 2.32 0.87 0.12 28.72 03:54:01 PM all 41.88 0.00 2.19 0.40 0.11 55.41 03:54:01 PM 0 39.32 0.00 2.09 0.58 0.08 57.92 03:54:01 PM 1 58.37 0.00 3.07 0.45 0.13 37.97 03:54:01 PM 2 31.16 0.00 1.84 0.20 0.13 66.67 03:54:01 PM 3 38.67 0.00 1.77 0.37 0.08 59.11 Average: all 46.73 0.15 4.15 1.11 0.11 47.76 Average: 0 45.48 0.11 4.31 1.70 0.11 48.30 Average: 1 55.38 0.19 5.30 0.91 0.11 38.11 Average: 2 43.27 0.12 3.30 1.03 0.11 52.16 Average: 3 42.76 0.17 3.67 0.81 0.09 52.50