---> uname -a: Linux prd-centos8-builder-4c-4g-37829.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 12221 19 2786 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:2a:bb:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.101/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe2a:bbd7/64 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) 08/14/2025 _x86_64_ (4 CPU) 15:50:19 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 394.30 45.40 348.90 4092.64 13242.59 03:53:01 PM 189.82 3.67 186.15 663.51 12027.86 03:54:01 PM 83.87 0.75 83.12 80.12 12962.24 Average: 222.67 16.61 206.06 1612.17 12744.22 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12604396 14619896 3537136 21.91 2688 2211160 1220952 7.10 216268 2904220 219032 03:53:01 PM 8794232 11251620 7347300 45.52 2688 2645432 4614476 26.84 350896 6534004 323100 03:54:01 PM 12581648 15078904 3559884 22.05 2688 2684776 829888 4.83 687352 2424696 34864 Average: 11326759 13650140 4814773 29.83 2688 2513789 2221772 12.92 418172 3954307 192332 03:51:01 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 300.65 231.87 3063.02 40.05 0.00 0.00 0.00 0.00 03:53:01 PM lo 838.34 838.34 841.77 841.77 0.00 0.00 0.00 0.00 03:53:01 PM eth0 335.74 235.20 4570.10 32.81 0.00 0.00 0.00 0.00 03:54:01 PM lo 1.35 1.35 2.44 2.44 0.00 0.00 0.00 0.00 03:54:01 PM eth0 140.66 117.10 312.68 648.32 0.00 0.00 0.00 0.00 Average: lo 279.91 279.91 281.42 281.42 0.00 0.00 0.00 0.00 Average: eth0 259.02 194.73 2648.73 240.37 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) 08/14/2025 _x86_64_ (4 CPU) 15:50:19 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 31.41 0.31 6.04 2.15 0.09 60.00 03:52:01 PM 0 33.26 0.28 5.16 1.57 0.08 59.65 03:52:01 PM 1 26.12 0.47 6.82 0.85 0.08 65.66 03:52:01 PM 2 19.56 0.27 4.71 1.93 0.08 73.45 03:52:01 PM 3 46.69 0.22 7.47 4.24 0.12 41.27 03:53:01 PM all 71.17 0.00 2.48 1.00 0.11 25.24 03:53:01 PM 0 70.42 0.00 2.52 0.78 0.12 26.15 03:53:01 PM 1 77.37 0.00 1.92 0.65 0.12 19.94 03:53:01 PM 2 61.47 0.00 3.40 1.46 0.10 33.57 03:53:01 PM 3 75.39 0.00 2.06 1.12 0.10 21.33 03:54:01 PM all 38.29 0.00 2.23 0.60 0.09 58.80 03:54:01 PM 0 33.36 0.00 2.01 0.33 0.08 64.22 03:54:01 PM 1 43.38 0.00 2.48 0.50 0.08 53.56 03:54:01 PM 2 25.88 0.00 2.19 1.44 0.08 70.41 03:54:01 PM 3 50.53 0.00 2.22 0.12 0.10 47.03 Average: all 46.96 0.10 3.58 1.25 0.10 48.01 Average: 0 45.69 0.09 3.23 0.90 0.09 50.00 Average: 1 48.96 0.16 3.74 0.67 0.09 46.38 Average: 2 35.63 0.09 3.43 1.61 0.09 59.14 Average: 3 57.54 0.07 3.91 1.82 0.11 36.54