---> uname -a: Linux prd-centos8-builder-4c-4g-15902.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 750 12218 19 2793 14664 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:17:42:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe17:42ee/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) 11/27/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 292.81 107.34 185.46 3955.37 11730.87 03:53:01 PM 329.56 6.27 323.30 1365.51 13460.56 03:54:01 PM 132.36 0.93 131.42 98.90 10213.78 Average: 251.58 38.19 213.38 1806.97 11801.63 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12930396 14857144 3211136 19.89 2688 2124788 1095344 6.37 202780 2602472 184140 03:53:01 PM 11667444 13815524 4474088 27.72 2688 2339932 1970368 11.46 318828 3717788 47384 03:54:01 PM 12569492 15071968 3572040 22.13 2688 2689868 888500 5.17 513948 2610172 160948 Average: 12389111 14581545 3752421 23.25 2688 2384863 1318071 7.67 345185 2976811 130824 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 167.66 132.62 2230.09 26.82 0.00 0.00 0.00 0.00 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 207.67 186.95 2301.69 29.38 0.00 0.00 0.00 0.00 03:54:01 PM lo 865.01 865.01 869.42 869.42 0.00 0.00 0.00 0.00 03:54:01 PM eth0 316.23 231.22 3649.36 655.36 0.00 0.00 0.00 0.00 Average: lo 288.31 288.31 289.78 289.78 0.00 0.00 0.00 0.00 Average: eth0 230.51 183.59 2726.99 237.17 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) 11/27/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 23.89 0.84 14.92 2.72 0.10 57.53 03:52:01 PM 0 32.86 1.04 18.68 2.51 0.10 44.82 03:52:01 PM 1 16.07 0.77 13.97 2.32 0.10 66.78 03:52:01 PM 2 19.73 0.89 14.06 1.57 0.10 63.65 03:52:01 PM 3 26.93 0.67 12.96 4.50 0.10 54.84 03:53:01 PM all 61.50 0.00 1.95 4.80 0.11 31.64 03:53:01 PM 0 65.66 0.00 2.27 2.49 0.12 29.46 03:53:01 PM 1 59.43 0.00 2.15 8.23 0.10 30.08 03:53:01 PM 2 53.60 0.00 2.04 4.14 0.12 40.10 03:53:01 PM 3 67.27 0.00 1.32 4.34 0.10 26.96 03:54:01 PM all 50.65 0.00 2.62 1.54 0.10 45.09 03:54:01 PM 0 48.39 0.00 1.93 0.32 0.08 49.28 03:54:01 PM 1 58.81 0.00 3.78 2.49 0.10 34.81 03:54:01 PM 2 51.73 0.00 2.11 2.14 0.10 43.92 03:54:01 PM 3 43.64 0.00 2.67 1.21 0.12 52.37 Average: all 45.34 0.28 6.50 3.02 0.10 44.75 Average: 0 48.97 0.35 7.63 1.77 0.10 41.18 Average: 1 44.75 0.26 6.64 4.35 0.10 43.90 Average: 2 41.68 0.30 6.07 2.62 0.11 49.23 Average: 3 45.96 0.22 5.65 3.35 0.11 44.70