---> uname -a: Linux prd-centos8-builder-4c-4g-10172.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: 2799.934 BogoMIPS: 5599.86 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 917 11232 19 3612 14496 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:60:33:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.80/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fe60:33d8/64 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) 05/13/2026 _x86_64_ (4 CPU) 08:23:20 LINUX RESTART (4 CPU) 08:24:01 AM tps rtps wtps bread/s bwrtn/s 08:25:01 AM 268.23 68.62 199.62 2922.81 15342.95 08:26:01 AM 838.24 0.00 838.24 0.00 40420.40 08:27:01 AM 402.03 0.05 401.98 14.13 16015.38 08:28:01 AM 47.73 2.68 45.05 674.44 2397.02 Average: 389.04 17.84 371.20 902.97 18542.89 08:24:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:25:01 AM 12502980 14543820 3638552 22.54 2688 2235432 1678396 9.76 214720 2991404 192852 08:26:01 AM 9825840 13093300 6315692 39.13 2688 3300336 2937928 17.09 253420 5272276 399728 08:27:01 AM 10199544 13470660 5941988 36.81 2688 3300664 2497872 14.53 260848 4861520 24 08:28:01 AM 11497296 14834688 4644236 28.77 2688 3364896 873020 5.08 466256 3371904 60856 Average: 11006415 13985617 5135117 31.81 2688 3050332 1996804 11.62 298811 4124276 163365 08:24:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 AM eth0 182.33 136.95 2423.51 36.38 0.00 0.00 0.00 0.00 08:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 AM eth0 2379.19 1948.59 6562.19 536.53 0.00 0.00 0.00 0.00 08:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 AM eth0 144.89 108.78 33.21 37.53 0.00 0.00 0.00 0.00 08:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 AM eth0 65.84 51.73 294.79 48.81 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 692.97 561.44 2328.25 164.79 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) 05/13/2026 _x86_64_ (4 CPU) 08:23:20 LINUX RESTART (4 CPU) 08:24:01 AM CPU %user %nice %system %iowait %steal %idle 08:25:01 AM all 27.01 0.46 8.03 1.50 0.09 62.92 08:25:01 AM 0 39.02 0.52 8.79 0.90 0.10 50.67 08:25:01 AM 1 29.85 0.23 5.74 1.49 0.08 62.60 08:25:01 AM 2 23.39 0.72 11.54 1.84 0.10 62.41 08:25:01 AM 3 15.74 0.37 6.02 1.76 0.08 76.03 08:26:01 AM all 27.71 0.00 9.10 2.36 0.11 60.73 08:26:01 AM 0 35.72 0.00 8.67 0.91 0.10 54.60 08:26:01 AM 1 38.73 0.00 7.75 2.62 0.10 50.81 08:26:01 AM 2 7.99 0.00 10.55 4.79 0.10 76.57 08:26:01 AM 3 28.27 0.00 9.44 1.12 0.14 61.04 08:27:01 AM all 31.73 0.00 1.33 1.42 0.10 65.42 08:27:01 AM 0 54.51 0.00 1.12 0.50 0.10 43.77 08:27:01 AM 1 43.24 0.00 1.79 1.86 0.10 53.02 08:27:01 AM 2 11.42 0.00 0.97 0.05 0.10 87.46 08:27:01 AM 3 17.75 0.00 1.44 3.26 0.10 77.46 08:28:01 AM all 27.57 0.00 1.54 0.15 0.08 70.66 08:28:01 AM 0 58.09 0.00 1.58 0.15 0.08 40.09 08:28:01 AM 1 11.94 0.00 1.14 0.07 0.08 86.77 08:28:01 AM 2 17.87 0.00 1.92 0.28 0.08 79.84 08:28:01 AM 3 22.35 0.00 1.50 0.12 0.08 75.95 Average: all 28.51 0.12 4.98 1.35 0.10 64.95 Average: 0 46.87 0.13 5.03 0.62 0.10 47.26 Average: 1 30.92 0.06 4.09 1.50 0.09 63.33 Average: 2 15.20 0.18 6.23 1.73 0.10 76.57 Average: 3 21.01 0.09 4.58 1.56 0.10 72.65