---> uname -a: Linux prd-centos8-builder-4c-4g-46273.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 716 12259 19 2787 14699 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:61:25:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.132/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe61:2567/64 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) 09/16/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 223.06 101.82 121.24 3085.50 8945.80 03:53:01 PM 365.78 17.66 348.13 2907.75 13387.04 03:54:01 PM 147.73 0.55 147.18 41.33 12240.18 Average: 245.53 40.01 205.53 2011.68 11524.40 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13329848 15144416 2811684 17.42 2688 2014772 781704 4.55 188788 2230612 180772 03:53:01 PM 11193768 13318692 4947764 30.65 2688 2318056 2650384 15.42 284240 4229604 99916 03:54:01 PM 12599132 15078992 3542400 21.95 2688 2667604 824240 4.79 510880 2583404 126776 Average: 12374249 14514033 3767283 23.34 2688 2333477 1418776 8.25 327969 3014540 135821 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 83.11 69.16 1277.42 16.31 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 282.66 241.35 3210.86 37.85 0.00 0.00 0.00 0.00 03:54:01 PM lo 795.38 795.38 803.69 803.69 0.00 0.00 0.00 0.00 03:54:01 PM eth0 243.78 172.19 3453.33 23.47 0.00 0.00 0.00 0.00 Average: lo 265.08 265.08 267.85 267.85 0.00 0.00 0.00 0.00 Average: eth0 203.18 160.90 2647.19 25.88 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) 09/16/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 19.16 0.85 12.73 5.18 0.10 61.97 03:52:01 PM 0 23.74 0.60 9.91 5.46 0.12 60.17 03:52:01 PM 1 9.03 1.22 16.19 5.53 0.12 67.92 03:52:01 PM 2 21.38 1.07 16.37 4.47 0.10 56.61 03:52:01 PM 3 22.51 0.50 8.44 5.27 0.08 63.19 03:53:01 PM all 54.84 0.00 2.22 6.49 0.11 36.34 03:53:01 PM 0 54.04 0.00 2.34 7.72 0.13 35.77 03:53:01 PM 1 67.96 0.00 1.09 4.46 0.10 26.39 03:53:01 PM 2 54.25 0.00 2.76 6.40 0.10 36.49 03:53:01 PM 3 43.03 0.00 2.68 7.40 0.12 46.77 03:54:01 PM all 60.77 0.00 2.61 1.65 0.10 34.86 03:54:01 PM 0 64.76 0.00 1.54 0.27 0.10 33.33 03:54:01 PM 1 56.30 0.00 3.26 2.93 0.10 37.40 03:54:01 PM 2 61.81 0.00 2.51 1.56 0.12 34.00 03:54:01 PM 3 60.22 0.00 3.13 1.86 0.10 34.69 Average: all 44.93 0.28 5.85 4.44 0.11 44.39 Average: 0 47.51 0.20 4.60 4.48 0.12 43.09 Average: 1 44.45 0.41 6.84 4.31 0.11 43.89 Average: 2 45.80 0.36 7.22 4.14 0.11 42.37 Average: 3 41.94 0.17 4.75 4.84 0.10 48.21