---> uname -a: Linux prd-centos8-builder-4c-4g-28014.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 746 12230 19 2785 14668 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:f2:96:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.2/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fef2:96a5/64 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) 07/14/2025 _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 368.99 73.19 295.80 3714.05 12297.03 03:53:01 PM 262.69 5.45 257.24 1299.52 13337.51 03:54:01 PM 83.29 0.98 82.30 97.18 9154.76 Average: 238.32 26.54 211.78 1703.58 11596.43 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12770972 14726992 3370560 20.88 2688 2152644 1166460 6.79 207796 2745328 190700 03:53:01 PM 10779904 13144868 5361628 33.22 2688 2554596 2752560 16.01 332356 4578976 239232 03:54:01 PM 12553832 15050204 3587700 22.23 2688 2683796 854900 4.97 687400 2452940 157344 Average: 12034903 14307355 4106629 25.44 2688 2463679 1591307 9.26 409184 3259081 195759 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 264.34 207.90 2473.52 36.34 0.00 0.00 0.00 0.00 03:53:01 PM lo 0.20 0.20 0.05 0.05 0.00 0.00 0.00 0.00 03:53:01 PM eth0 356.67 266.01 5167.83 36.00 0.00 0.00 0.00 0.00 03:54:01 PM lo 958.16 958.16 960.98 960.98 0.00 0.00 0.00 0.00 03:54:01 PM eth0 113.81 106.98 319.03 644.78 0.00 0.00 0.00 0.00 Average: lo 319.45 319.45 320.34 320.34 0.00 0.00 0.00 0.00 Average: eth0 244.94 193.63 2653.46 239.04 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) 07/14/2025 _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 27.05 0.55 8.97 2.61 0.10 60.71 03:52:01 PM 0 27.02 0.40 8.53 3.43 0.10 60.51 03:52:01 PM 1 21.08 0.77 9.80 2.33 0.12 65.91 03:52:01 PM 2 31.93 0.70 10.87 2.83 0.08 53.58 03:52:01 PM 3 28.18 0.33 6.69 1.86 0.10 62.83 03:53:01 PM all 67.89 0.00 2.20 2.08 0.15 27.68 03:53:01 PM 0 66.01 0.00 3.35 3.50 0.15 26.98 03:53:01 PM 1 68.00 0.00 1.64 1.37 0.13 28.85 03:53:01 PM 2 59.25 0.00 1.91 2.32 0.15 36.37 03:53:01 PM 3 78.30 0.00 1.91 1.14 0.15 18.51 03:54:01 PM all 46.49 0.00 2.56 0.47 0.08 50.40 03:54:01 PM 0 45.47 0.00 2.92 0.18 0.08 51.35 03:54:01 PM 1 48.20 0.00 1.89 0.27 0.08 49.56 03:54:01 PM 2 44.28 0.00 2.30 1.09 0.08 52.25 03:54:01 PM 3 47.99 0.00 3.13 0.33 0.08 48.46 Average: all 47.14 0.18 4.58 1.72 0.11 46.26 Average: 0 46.16 0.13 4.93 2.37 0.11 46.29 Average: 1 45.76 0.26 4.44 1.32 0.11 48.11 Average: 2 45.16 0.23 5.03 2.08 0.11 47.39 Average: 3 51.49 0.11 3.91 1.11 0.11 43.26