---> uname -a: Linux prd-centos8-builder-4c-4g-761.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 9.7G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 921 11482 19 3359 14492 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:c9:94:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.115/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fec9:9492/64 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) 09:55:05 LINUX RESTART (4 CPU) 09:56:01 AM tps rtps wtps bread/s bwrtn/s 09:57:01 AM 215.21 14.23 200.98 2534.78 17109.22 09:58:01 AM 1164.22 0.05 1164.17 14.13 41720.75 09:59:01 AM 40.04 0.00 40.04 0.00 2058.17 10:00:01 AM 49.51 5.10 44.41 761.61 2722.63 Average: 367.25 4.85 362.40 827.63 15902.69 09:56:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:57:01 AM 12092444 14368800 4049080 25.08 2688 2441096 1777732 10.34 215496 3332700 317252 09:58:01 AM 11095420 14106108 5046104 31.26 2688 3050684 1869836 10.88 260696 3992336 11488 09:59:01 AM 10170624 13218524 5970900 36.99 2688 3087664 2721008 15.83 260732 4904472 6848 10:00:01 AM 11724560 14802960 4416964 27.36 2688 3114776 899456 5.23 464320 3160536 24276 Average: 11270762 14124098 4870762 30.18 2688 2923555 1817008 10.57 300311 3847511 89966 09:56:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 AM eth0 823.26 608.62 2486.41 199.11 0.00 0.00 0.00 0.00 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 1671.42 1374.15 1315.69 389.37 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 1.65 0.70 0.30 3.75 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 52.61 48.41 287.45 17.15 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 637.24 507.97 1022.46 152.34 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) 09:55:05 LINUX RESTART (4 CPU) 09:56:01 AM CPU %user %nice %system %iowait %steal %idle 09:57:01 AM all 28.65 0.00 3.64 1.47 0.10 66.14 09:57:01 AM 0 14.38 0.00 2.88 0.75 0.10 81.89 09:57:01 AM 1 30.70 0.00 4.74 2.13 0.12 62.32 09:57:01 AM 2 50.71 0.00 3.68 2.36 0.10 43.15 09:57:01 AM 3 18.82 0.00 3.27 0.62 0.08 77.21 09:58:01 AM all 29.01 0.00 7.37 4.78 0.11 58.73 09:58:01 AM 0 59.19 0.00 6.85 1.73 0.12 32.11 09:58:01 AM 1 10.49 0.00 8.87 6.38 0.10 74.16 09:58:01 AM 2 35.74 0.00 5.84 3.72 0.10 54.60 09:58:01 AM 3 10.38 0.00 7.92 7.33 0.10 74.26 09:59:01 AM all 30.97 0.00 0.78 1.30 0.12 66.82 09:59:01 AM 0 24.44 0.00 0.72 0.00 0.10 74.74 09:59:01 AM 1 53.79 0.00 0.85 0.00 0.13 45.22 09:59:01 AM 2 36.05 0.00 0.93 1.72 0.15 61.16 09:59:01 AM 3 9.65 0.00 0.64 3.50 0.10 86.12 10:00:01 AM all 17.54 0.00 1.53 5.25 0.07 75.61 10:00:01 AM 0 13.43 0.00 1.37 2.67 0.08 82.45 10:00:01 AM 1 17.56 0.00 1.15 0.58 0.07 80.63 10:00:01 AM 2 19.68 0.00 1.87 10.82 0.07 67.56 10:00:01 AM 3 19.50 0.00 1.72 6.93 0.07 71.78 Average: all 26.53 0.00 3.32 3.20 0.10 66.85 Average: 0 27.80 0.00 2.95 1.29 0.10 67.87 Average: 1 28.17 0.00 3.89 2.26 0.10 65.57 Average: 2 35.54 0.00 3.08 4.66 0.10 56.62 Average: 3 14.60 0.00 3.37 4.59 0.09 77.35