---> uname -a: Linux prd-centos8-builder-4c-4g-14108.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 12215 19 2792 14661 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:31:8f:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.234/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe31:8f5b/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) 11/20/2025 _x86_64_ (4 CPU) 15:51:17 LINUX RESTART (4 CPU) 03:52:01 PM tps rtps wtps bread/s bwrtn/s 03:53:01 PM 358.11 32.67 325.44 4027.46 13105.33 03:54:02 PM 185.67 3.66 182.01 662.74 12003.66 03:55:01 PM 85.78 0.76 85.02 81.46 13171.20 Average: 210.54 12.43 198.11 1598.62 12757.47 03:52:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 PM 12476232 14526628 3665300 22.71 2688 2245856 1256596 7.31 216708 3029324 248468 03:54:02 PM 9257712 11719596 6883820 42.65 2688 2650196 4020360 23.39 350164 6072464 321868 03:55:01 PM 12494500 14996468 3647032 22.59 2688 2689584 894500 5.20 687836 2511396 33876 Average: 11409481 13747564 4732051 29.32 2688 2528545 2057152 11.97 418236 3871061 201404 03:52:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 293.55 237.15 3529.41 41.06 0.00 0.00 0.00 0.00 03:54:02 PM lo 1046.91 1046.91 1043.65 1043.65 0.00 0.00 0.00 0.00 03:54:02 PM eth0 297.24 215.49 4083.61 28.58 0.00 0.00 0.00 0.00 03:55:01 PM lo 1.61 1.61 2.50 2.50 0.00 0.00 0.00 0.00 03:55:01 PM eth0 126.40 113.89 317.71 654.60 0.00 0.00 0.00 0.00 Average: lo 351.72 351.72 350.92 350.92 0.00 0.00 0.00 0.00 Average: eth0 239.71 189.28 2657.12 239.02 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) 11/20/2025 _x86_64_ (4 CPU) 15:51:17 LINUX RESTART (4 CPU) 03:52:01 PM CPU %user %nice %system %iowait %steal %idle 03:53:01 PM all 32.13 0.18 4.69 2.27 0.09 60.63 03:53:01 PM 0 38.71 0.25 5.23 1.32 0.10 54.39 03:53:01 PM 1 37.42 0.15 4.41 2.92 0.10 54.99 03:53:01 PM 2 27.98 0.18 4.62 1.99 0.08 65.14 03:53:01 PM 3 24.37 0.15 4.50 2.86 0.08 68.03 03:54:02 PM all 72.29 0.00 2.59 0.75 0.10 24.26 03:54:02 PM 0 75.33 0.00 2.89 0.58 0.10 21.09 03:54:02 PM 1 71.88 0.00 2.30 0.82 0.10 24.90 03:54:02 PM 2 70.70 0.00 3.11 0.92 0.10 25.18 03:54:02 PM 3 71.27 0.00 2.04 0.68 0.12 25.89 03:55:01 PM all 39.19 0.00 2.23 0.72 0.08 57.77 03:55:01 PM 0 51.65 0.00 2.07 0.37 0.09 45.82 03:55:01 PM 1 38.54 0.00 1.97 1.11 0.07 58.31 03:55:01 PM 2 38.00 0.00 2.98 1.17 0.09 57.76 03:55:01 PM 3 28.54 0.00 1.88 0.24 0.09 69.26 Average: all 47.93 0.06 3.17 1.25 0.09 47.49 Average: 0 55.24 0.08 3.41 0.76 0.10 40.41 Average: 1 49.36 0.05 2.90 1.62 0.09 45.98 Average: 2 45.62 0.06 3.57 1.36 0.09 49.30 Average: 3 41.50 0.05 2.81 1.27 0.10 54.28