---> uname -a: Linux prd-centos8-builder-4c-4g-3541.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 754 12215 19 2793 14660 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:d2:ae:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fed2:ae82/64 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) 10/18/2025 _x86_64_ (4 CPU) 15:50:25 LINUX RESTART (4 CPU) 03:51:02 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 279.99 88.43 191.56 3959.61 11531.13 03:53:01 PM 378.16 5.76 372.40 1305.61 14156.77 03:54:01 PM 79.34 0.77 78.58 58.24 9701.83 Average: 245.64 31.33 214.31 1762.16 11798.07 03:51:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12901524 14833988 3240008 20.07 2688 2130392 1087324 6.33 202656 2631964 186544 03:53:01 PM 11190960 13545664 4950572 30.67 2688 2544448 2396544 13.94 329272 4174428 241748 03:54:01 PM 12503908 15004960 3637624 22.54 2688 2688344 875720 5.09 684336 2506536 156360 Average: 12198797 14461537 3942735 24.43 2688 2454395 1453196 8.45 405421 3104309 194884 03:51:02 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 170.87 135.46 2142.14 28.62 0.00 0.00 0.00 0.00 03:53:01 PM lo 0.15 0.15 0.03 0.03 0.00 0.00 0.00 0.00 03:53:01 PM eth0 386.86 303.25 5590.44 42.30 0.00 0.00 0.00 0.00 03:54:01 PM lo 959.15 959.15 959.78 959.78 0.00 0.00 0.00 0.00 03:54:01 PM eth0 127.79 109.10 316.11 643.08 0.00 0.00 0.00 0.00 Average: lo 321.57 321.57 321.74 321.74 0.00 0.00 0.00 0.00 Average: eth0 228.83 182.87 2685.95 239.18 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) 10/18/2025 _x86_64_ (4 CPU) 15:50:25 LINUX RESTART (4 CPU) 03:51:02 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 25.22 0.78 14.16 1.91 0.14 57.79 03:52:01 PM 0 26.10 1.19 18.50 1.33 0.15 52.73 03:52:01 PM 1 24.28 0.97 18.11 2.33 0.14 54.18 03:52:01 PM 2 18.30 0.37 8.33 1.89 0.14 70.98 03:52:01 PM 3 32.21 0.60 11.71 2.11 0.12 53.25 03:53:01 PM all 70.81 0.00 2.64 1.71 0.14 24.70 03:53:01 PM 0 73.89 0.00 2.10 0.92 0.13 22.95 03:53:01 PM 1 73.11 0.00 3.43 1.59 0.13 21.74 03:53:01 PM 2 68.11 0.00 2.04 1.19 0.15 28.51 03:53:01 PM 3 68.13 0.00 3.00 3.15 0.13 25.59 03:54:01 PM all 49.92 0.00 2.72 0.28 0.09 46.99 03:54:01 PM 0 60.20 0.00 4.00 0.40 0.08 35.30 03:54:01 PM 1 51.56 0.00 2.69 0.18 0.08 45.48 03:54:01 PM 2 43.28 0.00 1.74 0.33 0.10 54.55 03:54:01 PM 3 44.63 0.00 2.45 0.18 0.10 52.64 Average: all 48.79 0.26 6.47 1.30 0.12 43.07 Average: 0 53.56 0.39 8.14 0.88 0.12 36.90 Average: 1 49.79 0.32 8.02 1.36 0.12 40.39 Average: 2 43.37 0.12 4.01 1.13 0.13 51.24 Average: 3 48.42 0.20 5.68 1.81 0.12 43.77