---> uname -a: Linux prd-centos8-builder-4c-4g-9536.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: 2799.996 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 9.7G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 921 11487 19 3353 14492 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:46:d6:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.1/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe46:d61d/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) 05/11/2026 _x86_64_ (4 CPU) 07:53:21 LINUX RESTART (4 CPU) 07:54:01 AM tps rtps wtps bread/s bwrtn/s 07:55:01 AM 255.44 58.44 197.00 2842.73 13640.51 07:56:01 AM 1167.07 0.02 1167.06 13.60 45966.96 07:57:01 AM 81.94 0.03 81.91 0.53 4020.11 Average: 501.46 19.50 481.97 952.23 21208.24 07:54:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:55:01 AM 12476976 14519636 3664556 22.70 2688 2236472 1697644 9.88 214608 3023340 245936 07:56:01 AM 11143896 14147040 4997636 30.96 2688 3045368 1838948 10.70 259048 3950772 72824 07:57:01 AM 10241532 13247200 5900000 36.55 2688 3045384 2711188 15.77 260252 4831928 12 Average: 11287468 13971292 4854064 30.07 2688 2775741 2082593 12.12 244636 3935347 106257 07:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 AM eth0 431.89 339.48 2485.79 141.07 0.00 0.00 0.00 0.00 07:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 AM eth0 2183.30 1755.02 2001.62 463.62 0.00 0.00 0.00 0.00 07:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 AM eth0 1.33 0.17 0.67 0.35 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 872.13 698.18 1495.94 201.67 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) 05/11/2026 _x86_64_ (4 CPU) 07:53:21 LINUX RESTART (4 CPU) 07:54:01 AM CPU %user %nice %system %iowait %steal %idle 07:55:01 AM all 27.86 0.45 8.53 1.25 0.10 61.80 07:55:01 AM 0 27.90 0.37 6.87 0.85 0.10 63.91 07:55:01 AM 1 15.23 0.47 9.55 2.08 0.10 72.58 07:55:01 AM 2 35.24 0.40 8.20 1.05 0.10 55.01 07:55:01 AM 3 33.08 0.57 9.52 1.04 0.08 55.71 07:56:01 AM all 28.20 0.00 8.33 3.69 0.11 59.67 07:56:01 AM 0 39.59 0.00 7.16 4.22 0.10 48.92 07:56:01 AM 1 39.36 0.00 8.28 0.90 0.12 51.35 07:56:01 AM 2 24.24 0.00 8.86 3.58 0.12 63.19 07:56:01 AM 3 9.49 0.00 9.03 6.06 0.12 75.31 07:57:01 AM all 32.14 0.00 0.78 0.24 0.11 66.73 07:57:01 AM 0 9.81 0.00 0.50 0.07 0.12 89.50 07:57:01 AM 1 88.42 0.00 1.18 0.00 0.10 10.29 07:57:01 AM 2 19.18 0.00 0.77 0.82 0.12 79.11 07:57:01 AM 3 11.08 0.00 0.67 0.07 0.10 88.09 Average: all 29.41 0.15 5.87 1.72 0.11 62.75 Average: 0 25.72 0.12 4.84 1.70 0.11 67.52 Average: 1 47.75 0.16 6.32 0.99 0.11 44.68 Average: 2 26.23 0.13 5.93 1.81 0.11 65.79 Average: 3 17.91 0.19 6.39 2.37 0.10 73.04