---> uname -a: Linux prd-centos8-builder-4c-4g-21909.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 742 12251 19 2769 14673 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:5f:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe2a:5f8a/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) 06/17/2025 _x86_64_ (4 CPU) 20:05:11 LINUX RESTART (4 CPU) 08:06:01 PM tps rtps wtps bread/s bwrtn/s 08:07:01 PM 416.43 65.68 350.75 4515.45 14417.06 08:08:01 PM 183.66 2.15 181.51 408.26 10510.99 08:09:01 PM 76.99 0.73 76.25 79.72 13279.42 Average: 225.76 22.87 202.89 1668.71 12736.11 08:06:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:07:01 PM 12270436 14312864 3871096 23.98 2688 2238768 1619808 9.42 226716 3228444 206060 08:08:01 PM 9093704 11628324 7047828 43.66 2688 2722860 4192176 24.39 382152 6207528 415820 08:09:01 PM 12540900 15020848 3600632 22.31 2688 2668516 892296 5.19 687628 2470844 19548 Average: 11301680 13654012 4839852 29.98 2688 2543381 2234760 13.00 432165 3968939 213809 08:06:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 PM eth0 437.28 323.88 3520.31 45.66 0.00 0.00 0.00 0.00 08:08:01 PM lo 840.54 840.54 847.93 847.93 0.00 0.00 0.00 0.00 08:08:01 PM eth0 282.08 200.17 4031.55 27.55 0.00 0.00 0.00 0.00 08:09:01 PM lo 0.72 0.72 1.35 1.35 0.00 0.00 0.00 0.00 08:09:01 PM eth0 140.31 120.10 313.65 645.98 0.00 0.00 0.00 0.00 Average: lo 280.40 280.40 283.08 283.08 0.00 0.00 0.00 0.00 Average: eth0 286.62 214.76 2622.42 239.62 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) 06/17/2025 _x86_64_ (4 CPU) 20:05:11 LINUX RESTART (4 CPU) 08:06:01 PM CPU %user %nice %system %iowait %steal %idle 08:07:01 PM all 34.26 0.41 9.31 2.73 0.10 53.19 08:07:01 PM 0 27.35 0.23 5.85 2.28 0.10 64.18 08:07:01 PM 1 26.41 0.49 10.43 2.26 0.12 60.31 08:07:01 PM 2 56.07 0.07 6.55 3.99 0.10 33.22 08:07:01 PM 3 27.20 0.85 14.42 2.40 0.10 55.03 08:08:01 PM all 71.18 0.00 2.41 0.96 0.13 25.32 08:08:01 PM 0 65.91 0.00 3.63 1.19 0.13 29.14 08:08:01 PM 1 78.45 0.00 1.55 0.57 0.12 19.32 08:08:01 PM 2 73.34 0.00 1.82 0.53 0.12 24.19 08:08:01 PM 3 67.00 0.00 2.63 1.56 0.15 28.66 08:09:01 PM all 33.53 0.00 2.22 0.75 0.08 63.41 08:09:01 PM 0 32.15 0.00 2.36 1.25 0.08 64.16 08:09:01 PM 1 31.90 0.00 2.46 0.28 0.08 65.27 08:09:01 PM 2 38.80 0.00 2.19 0.10 0.07 58.84 08:09:01 PM 3 31.29 0.00 1.87 1.37 0.08 65.39 Average: all 46.33 0.14 4.64 1.48 0.10 47.30 Average: 0 41.79 0.08 3.95 1.58 0.11 52.51 Average: 1 45.62 0.16 4.81 1.04 0.11 48.27 Average: 2 56.08 0.02 3.52 1.54 0.09 38.74 Average: 3 41.83 0.28 6.30 1.77 0.11 49.70