---> uname -a: Linux prd-centos8-builder-4c-4g-766.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 9.7G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 916 11491 19 3355 14497 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:b2:1f:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.62/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:feb2:1f37/64 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) 05/18/2026 _x86_64_ (4 CPU) 09:56:14 LINUX RESTART (4 CPU) 09:57:01 AM tps rtps wtps bread/s bwrtn/s 09:58:01 AM 207.65 15.33 192.32 2412.26 16632.61 09:59:01 AM 1196.43 0.05 1196.38 14.13 42793.67 10:00:01 AM 26.03 0.00 26.03 0.00 1763.91 Average: 476.69 5.13 471.56 808.89 20396.52 09:57:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:58:01 AM 12169300 14409236 3972224 24.61 2688 2411400 1791484 10.42 215092 3269776 294756 09:59:01 AM 11145312 14150864 4996212 30.95 2688 3046668 1880852 10.94 259328 3941124 6988 10:00:01 AM 10122252 13129032 6019272 37.29 2688 3046668 2837240 16.51 260432 4948236 12 Average: 11145621 13896377 4995903 30.95 2688 2834912 2169859 12.62 244951 4053045 100585 09:57:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 AM eth0 835.30 532.29 2428.93 188.83 0.00 0.00 0.00 0.00 09:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 AM eth0 1814.20 1400.60 1383.60 400.86 0.00 0.00 0.00 0.00 10:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 AM eth0 0.32 0.10 0.07 0.27 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 883.27 644.32 1270.93 196.65 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) 05/18/2026 _x86_64_ (4 CPU) 09:56:14 LINUX RESTART (4 CPU) 09:57:01 AM CPU %user %nice %system %iowait %steal %idle 09:58:01 AM all 28.87 0.03 3.70 1.21 0.09 66.11 09:58:01 AM 0 31.99 0.00 3.43 1.14 0.10 63.34 09:58:01 AM 1 32.11 0.05 3.93 1.59 0.08 62.24 09:58:01 AM 2 35.64 0.00 4.60 1.16 0.10 58.50 09:58:01 AM 3 15.75 0.05 2.83 0.94 0.08 80.34 09:59:01 AM all 28.88 0.00 7.49 4.01 0.12 59.50 09:59:01 AM 0 13.62 0.00 8.33 0.37 0.10 77.57 09:59:01 AM 1 58.18 0.00 5.90 1.53 0.12 34.27 09:59:01 AM 2 34.68 0.00 7.36 4.14 0.12 53.70 09:59:01 AM 3 8.74 0.00 8.40 9.98 0.14 72.75 10:00:01 AM all 31.94 0.00 0.76 0.04 0.10 67.17 10:00:01 AM 0 9.93 0.00 0.53 0.00 0.08 89.46 10:00:01 AM 1 14.61 0.00 0.64 0.13 0.08 84.53 10:00:01 AM 2 24.84 0.00 0.72 0.02 0.10 74.32 10:00:01 AM 3 78.31 0.00 1.13 0.00 0.12 20.44 Average: all 29.90 0.01 3.97 1.74 0.10 64.28 Average: 0 18.53 0.00 4.07 0.50 0.10 76.79 Average: 1 34.90 0.02 3.48 1.08 0.10 60.42 Average: 2 31.70 0.00 4.22 1.77 0.11 62.21 Average: 3 34.45 0.02 4.10 3.60 0.11 57.72