---> uname -a: Linux prd-centos8-builder-4c-4g-11562.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 764 10429 19 4569 14650 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:f4:2d:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.172/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85910sec preferred_lft 85910sec inet6 fe80::f816:3eff:fef4:2d2d/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) 11/10/2025 _x86_64_ (4 CPU) 01:21:24 LINUX RESTART (4 CPU) 01:22:01 AM tps rtps wtps bread/s bwrtn/s 01:23:01 AM 212.00 63.72 148.28 2185.50 12481.09 01:24:01 AM 33.34 0.00 33.34 0.00 3841.87 01:25:01 AM 358.16 16.21 341.94 2043.26 5981.12 01:26:01 AM 104.08 3.90 100.18 615.72 37235.64 01:27:01 AM 123.40 0.00 123.40 0.00 19712.91 01:28:01 AM 48.20 0.00 48.20 0.00 17073.98 01:29:01 AM 80.02 0.08 79.94 9.87 7821.26 Average: 137.02 11.99 125.03 693.41 14879.76 01:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:23:01 AM 13275908 15141696 2865624 17.75 2688 2063044 755456 4.39 202796 2252224 95904 01:24:01 AM 13267484 15135644 2874048 17.81 2688 2063764 755456 4.39 202800 2253704 48 01:25:01 AM 11432712 13703368 4708820 29.17 2688 2449592 2103980 12.24 381352 3859684 237460 01:26:01 AM 9803460 13016504 6338072 39.27 2688 3380480 2695120 15.68 475824 5372700 55060 01:27:01 AM 8829360 12967908 7312172 45.30 2688 4295504 2608300 15.17 867952 5937084 405552 01:28:01 AM 8356492 12707048 7785040 48.23 2688 4491744 2795148 16.26 896508 6355664 107576 01:29:01 AM 10653244 14963864 5488288 34.00 2688 4439080 865244 5.03 1164472 3769692 77868 Average: 10802666 13948005 5338866 33.08 2688 3311887 1796958 10.45 598815 4257250 139924 01:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:23:01 AM eth0 140.36 113.70 1205.25 31.02 0.00 0.00 0.00 0.00 01:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 AM eth0 153.68 134.21 297.08 39.58 0.00 0.00 0.00 0.00 01:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 AM eth0 536.19 473.39 5007.66 92.81 0.00 0.00 0.00 0.00 01:26:01 AM lo 0.77 0.77 0.11 0.11 0.00 0.00 0.00 0.00 01:26:01 AM eth0 201.12 180.86 4482.97 26.08 0.00 0.00 0.00 0.00 01:27:01 AM lo 2.85 2.85 0.56 0.56 0.00 0.00 0.00 0.00 01:27:01 AM eth0 63.07 47.58 1442.85 8.91 0.00 0.00 0.00 0.00 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 49.20 46.90 161.22 13.83 0.00 0.00 0.00 0.00 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 42.63 37.89 53.95 14.72 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.10 0.10 0.00 0.00 0.00 0.00 Average: eth0 169.46 147.78 1807.32 32.42 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) 11/10/2025 _x86_64_ (4 CPU) 01:21:24 LINUX RESTART (4 CPU) 01:22:01 AM CPU %user %nice %system %iowait %steal %idle 01:23:01 AM all 15.04 0.56 7.95 1.20 0.09 75.17 01:23:01 AM 0 12.33 0.73 8.66 1.28 0.10 76.90 01:23:01 AM 1 18.76 0.62 8.66 2.09 0.08 69.79 01:23:01 AM 2 25.15 0.38 7.22 1.05 0.08 66.10 01:23:01 AM 3 3.89 0.50 7.25 0.35 0.10 87.91 01:24:01 AM all 0.54 0.00 0.47 0.20 0.06 98.72 01:24:01 AM 0 0.40 0.00 0.07 0.00 0.07 99.46 01:24:01 AM 1 0.89 0.00 0.84 0.18 0.07 98.03 01:24:01 AM 2 0.52 0.00 0.64 0.42 0.05 98.38 01:24:01 AM 3 0.35 0.00 0.35 0.22 0.07 99.01 01:25:01 AM all 38.49 0.00 2.81 1.38 0.09 57.23 01:25:01 AM 0 39.35 0.00 3.13 1.38 0.08 56.06 01:25:01 AM 1 35.49 0.00 2.62 0.77 0.08 61.04 01:25:01 AM 2 40.44 0.00 3.04 1.41 0.10 55.00 01:25:01 AM 3 38.68 0.00 2.47 1.97 0.08 56.79 01:26:01 AM all 55.36 0.00 2.63 1.05 0.08 40.87 01:26:01 AM 0 56.37 0.00 2.73 2.38 0.08 38.44 01:26:01 AM 1 56.83 0.00 4.72 0.95 0.08 37.41 01:26:01 AM 2 50.88 0.00 1.87 0.80 0.08 46.37 01:26:01 AM 3 57.38 0.00 1.20 0.08 0.07 41.27 01:27:01 AM all 49.99 0.00 2.68 0.80 0.08 46.45 01:27:01 AM 0 54.04 0.00 3.68 0.60 0.07 41.60 01:27:01 AM 1 49.50 0.00 3.22 0.57 0.08 46.63 01:27:01 AM 2 46.58 0.00 2.08 1.31 0.07 49.97 01:27:01 AM 3 49.82 0.00 1.74 0.74 0.08 47.62 01:28:01 AM all 55.72 0.00 2.66 0.48 0.08 41.06 01:28:01 AM 0 51.83 0.00 1.36 0.33 0.08 46.39 01:28:01 AM 1 56.15 0.00 2.96 0.57 0.08 40.23 01:28:01 AM 2 54.12 0.00 2.92 0.87 0.08 42.00 01:28:01 AM 3 60.78 0.00 3.40 0.15 0.07 35.60 01:29:01 AM all 42.00 0.00 3.21 0.37 0.08 54.34 01:29:01 AM 0 42.32 0.00 2.95 0.17 0.08 54.48 01:29:01 AM 1 49.22 0.00 4.10 0.30 0.12 46.26 01:29:01 AM 2 34.57 0.00 2.35 0.96 0.07 62.06 01:29:01 AM 3 41.87 0.00 3.44 0.05 0.07 54.57 Average: all 36.72 0.08 3.20 0.78 0.08 59.13 Average: 0 36.65 0.11 3.23 0.88 0.08 59.06 Average: 1 38.10 0.09 3.87 0.78 0.09 57.07 Average: 2 36.03 0.06 2.87 0.97 0.08 59.99 Average: 3 36.10 0.07 2.83 0.51 0.08 60.40