---> uname -a: Linux prd-centos8-builder-4c-4g-20565.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 9.3G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1490 11447 19 2824 13923 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:63:d1:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.126/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe63:d16a/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) 12/13/2025 _x86_64_ (4 CPU) 13:36:24 LINUX RESTART (4 CPU) 01:37:01 PM tps rtps wtps bread/s bwrtn/s 01:38:01 PM 429.97 72.96 357.01 3586.54 13855.28 01:39:01 PM 198.09 4.49 193.60 1341.14 14323.06 01:40:01 PM 64.03 2.73 61.30 104.08 11434.40 Average: 230.67 26.72 203.96 1677.00 13204.71 01:37:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:38:01 PM 12622696 14669072 3518836 21.80 2688 2242228 1207936 7.03 208640 2893476 272460 01:39:01 PM 10722116 13235556 5419416 33.57 2688 2701104 2539596 14.77 347852 4615120 316636 01:40:01 PM 11789988 14326568 4351544 26.96 2688 2723980 1513256 8.80 576320 3325776 18108 Average: 11711600 14077065 4429932 27.44 2688 2555771 1753596 10.20 377604 3611457 202401 01:37:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:38:01 PM eth0 295.28 221.08 4038.90 37.94 0.00 0.00 0.00 0.00 01:39:01 PM lo 1051.52 1051.52 1004.79 1004.79 0.00 0.00 0.00 0.00 01:39:01 PM eth0 325.50 252.94 4728.01 33.52 0.00 0.00 0.00 0.00 01:40:01 PM lo 5.73 5.73 48.71 48.71 0.00 0.00 0.00 0.00 01:40:01 PM eth0 249.34 157.55 448.64 241.97 0.00 0.00 0.00 0.00 Average: lo 352.75 352.75 351.48 351.48 0.00 0.00 0.00 0.00 Average: eth0 290.06 210.54 3072.53 104.45 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) 12/13/2025 _x86_64_ (4 CPU) 13:36:24 LINUX RESTART (4 CPU) 01:37:01 PM CPU %user %nice %system %iowait %steal %idle 01:38:01 PM all 30.19 0.47 8.16 1.98 0.09 59.11 01:38:01 PM 0 50.39 0.32 7.00 2.09 0.10 40.10 01:38:01 PM 1 23.31 0.48 7.46 1.52 0.08 67.14 01:38:01 PM 2 29.69 0.54 8.14 1.32 0.10 60.21 01:38:01 PM 3 17.32 0.55 10.04 2.99 0.08 69.02 01:39:01 PM all 71.92 0.00 2.36 0.80 0.10 24.82 01:39:01 PM 0 70.88 0.00 2.69 1.34 0.10 25.00 01:39:01 PM 1 80.65 0.00 2.65 0.52 0.10 16.09 01:39:01 PM 2 70.80 0.00 1.82 0.80 0.10 26.48 01:39:01 PM 3 65.34 0.00 2.29 0.57 0.10 31.71 01:40:01 PM all 51.57 0.00 1.91 0.32 0.09 46.11 01:40:01 PM 0 59.87 0.00 1.42 0.05 0.10 38.56 01:40:01 PM 1 42.83 0.00 2.01 0.42 0.08 54.66 01:40:01 PM 2 54.52 0.00 1.86 0.27 0.08 43.27 01:40:01 PM 3 49.03 0.00 2.36 0.55 0.08 47.98 Average: all 51.25 0.16 4.14 1.03 0.09 43.32 Average: 0 60.38 0.11 3.70 1.16 0.10 34.55 Average: 1 48.97 0.16 4.04 0.82 0.09 45.92 Average: 2 51.70 0.18 3.93 0.80 0.09 43.29 Average: 3 43.94 0.18 4.88 1.37 0.09 49.53