---> uname -a: Linux prd-centos8-builder-4c-4g-12830.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 9.3G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 744 12077 19 2941 14670 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:3f:4e:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.139/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe3f:4e40/64 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) 11/15/2025 _x86_64_ (4 CPU) 06:02:24 LINUX RESTART (4 CPU) 06:03:01 AM tps rtps wtps bread/s bwrtn/s 06:04:01 AM 328.81 89.25 239.56 3762.97 11835.23 06:05:01 AM 303.93 5.51 298.42 1219.85 13944.74 06:06:01 AM 67.43 1.63 65.80 1736.33 11089.72 Average: 233.39 32.12 201.27 2239.38 12290.22 06:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:04:01 AM 12879660 14829420 3261872 20.21 2688 2146632 1099276 6.39 204584 2646508 210268 06:05:01 AM 11223944 13642440 4917588 30.47 2688 2607292 2204132 12.82 322716 4140244 298504 06:06:01 AM 11240344 13874500 4901188 30.36 2688 2822132 1911660 11.12 518408 3930124 155772 Average: 11781316 14115453 4360216 27.01 2688 2525352 1738356 10.11 348569 3572292 221515 06:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 AM eth0 205.12 164.81 2483.05 31.22 0.00 0.00 0.00 0.00 06:05:01 AM lo 534.63 534.63 510.89 510.89 0.00 0.00 0.00 0.00 06:05:01 AM eth0 353.11 266.82 5207.13 36.97 0.00 0.00 0.00 0.00 06:06:01 AM lo 531.60 531.60 553.12 553.12 0.00 0.00 0.00 0.00 06:06:01 AM eth0 164.40 128.72 2515.66 13.22 0.00 0.00 0.00 0.00 Average: lo 355.48 355.48 354.74 354.74 0.00 0.00 0.00 0.00 Average: eth0 240.90 186.80 3402.35 27.14 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) 11/15/2025 _x86_64_ (4 CPU) 06:02:24 LINUX RESTART (4 CPU) 06:03:01 AM CPU %user %nice %system %iowait %steal %idle 06:04:01 AM all 26.32 0.76 13.87 2.04 0.10 56.91 06:04:01 AM 0 17.01 1.07 17.96 2.58 0.12 61.26 06:04:01 AM 1 27.84 0.62 12.36 2.14 0.10 56.94 06:04:01 AM 2 21.77 0.72 12.83 1.45 0.08 63.15 06:04:01 AM 3 38.63 0.63 12.33 2.00 0.08 46.32 06:05:01 AM all 64.84 0.00 2.64 1.51 0.35 30.67 06:05:01 AM 0 54.25 0.00 2.32 1.99 0.12 41.32 06:05:01 AM 1 64.90 0.00 2.44 0.95 1.07 30.64 06:05:01 AM 2 69.68 0.00 3.11 2.19 0.10 24.92 06:05:01 AM 3 70.53 0.00 2.69 0.90 0.10 25.78 06:06:01 AM all 62.31 0.00 1.93 0.31 0.09 35.36 06:06:01 AM 0 53.57 0.00 2.88 0.55 0.10 42.89 06:06:01 AM 1 66.35 0.00 1.39 0.18 0.08 31.99 06:06:01 AM 2 68.62 0.00 1.46 0.22 0.08 29.62 06:06:01 AM 3 60.66 0.00 1.99 0.28 0.10 36.96 Average: all 51.15 0.25 6.15 1.29 0.18 40.98 Average: 0 41.62 0.36 7.72 1.71 0.11 48.48 Average: 1 53.03 0.21 5.40 1.09 0.42 39.86 Average: 2 53.34 0.24 5.80 1.29 0.09 39.24 Average: 3 56.61 0.21 5.67 1.06 0.09 36.35