---> uname -a: Linux prd-centos8-builder-4c-4g-28750.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 9.2G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 734 12243 19 2785 14681 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:81:67:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.28/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fe81:677b/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) 07/17/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 410.60 65.49 345.11 3645.39 13752.01 03:53:01 PM 211.88 5.70 206.18 1315.52 12029.35 03:54:01 PM 85.24 0.77 84.47 80.52 10963.79 Average: 235.90 23.98 211.92 1680.42 12248.34 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12801944 14759084 3339588 20.69 2688 2153576 1175996 6.84 208020 2719236 182396 03:53:01 PM 10837204 13273264 5304328 32.86 2688 2624588 2599552 15.12 340372 4510064 308184 03:54:01 PM 12527388 15022312 3614144 22.39 2688 2682400 911028 5.30 687268 2480088 98052 Average: 12055512 14351553 4086020 25.31 2688 2486855 1562192 9.09 411887 3236463 196211 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 275.10 212.78 2479.29 36.31 0.00 0.00 0.00 0.00 03:53:01 PM lo 394.24 394.24 376.68 376.68 0.00 0.00 0.00 0.00 03:53:01 PM eth0 368.54 268.12 5152.04 35.68 0.00 0.00 0.00 0.00 03:54:01 PM lo 528.58 528.58 550.46 550.46 0.00 0.00 0.00 0.00 03:54:01 PM eth0 160.82 131.28 322.87 647.53 0.00 0.00 0.00 0.00 Average: lo 307.62 307.62 309.06 309.06 0.00 0.00 0.00 0.00 Average: eth0 268.17 204.07 2651.82 239.80 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) 07/17/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 27.20 0.46 9.78 2.24 0.17 60.14 03:52:01 PM 0 36.78 0.38 10.21 1.87 0.15 50.60 03:52:01 PM 1 30.97 0.65 11.34 1.14 0.18 55.71 03:52:01 PM 2 21.15 0.42 8.71 4.03 0.20 65.49 03:52:01 PM 3 19.90 0.38 8.88 1.92 0.15 68.77 03:53:01 PM all 68.54 0.00 2.32 1.23 0.12 27.79 03:53:01 PM 0 70.87 0.00 2.41 0.89 0.13 25.70 03:53:01 PM 1 71.47 0.00 2.18 1.76 0.12 24.48 03:53:01 PM 2 68.41 0.00 2.92 1.25 0.12 27.30 03:53:01 PM 3 63.41 0.00 1.76 1.02 0.12 33.70 03:54:01 PM all 43.45 0.00 2.48 0.28 0.10 53.70 03:54:01 PM 0 42.86 0.00 2.83 0.13 0.12 54.06 03:54:01 PM 1 34.63 0.00 2.43 0.27 0.10 62.58 03:54:01 PM 2 43.72 0.00 2.21 0.27 0.08 53.72 03:54:01 PM 3 52.61 0.00 2.44 0.44 0.08 44.43 Average: all 46.40 0.15 4.86 1.25 0.13 47.21 Average: 0 50.17 0.13 5.15 0.96 0.13 43.45 Average: 1 45.69 0.22 5.31 1.05 0.13 47.59 Average: 2 44.44 0.14 4.61 1.85 0.13 48.82 Average: 3 45.30 0.13 4.36 1.13 0.12 48.97