---> uname -a: Linux prd-centos8-builder-4c-4g-15207.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 754 12214 19 2793 14660 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:02:4a:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe02:4a6a/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) 11/25/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 244.02 68.71 175.31 3640.92 11252.42 03:53:01 PM 310.48 6.30 304.18 1366.04 13409.32 03:54:01 PM 109.75 0.48 109.27 74.27 13114.03 03:55:01 PM 53.85 0.68 53.17 67.71 6487.02 Average: 179.53 19.05 160.48 1287.33 11065.43 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12909036 14835856 3232488 20.03 2688 2124748 1105236 6.43 203212 2620764 183956 03:53:01 PM 11629828 13780304 4511696 27.95 2688 2341764 1970648 11.46 319196 3750264 48056 03:54:01 PM 9076284 11746664 7065240 43.77 2688 2856816 3981128 23.16 390316 6208836 93320 03:55:01 PM 12500812 15003552 3640712 22.55 2688 2689960 898304 5.23 688532 2503620 7476 Average: 11528990 13841594 4612534 28.58 2688 2503322 1988829 11.57 400314 3770871 83202 03:51:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:52:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 PM eth0 165.03 131.02 2232.53 24.66 0.00 0.00 0.00 0.00 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 222.65 196.82 2316.57 31.98 0.00 0.00 0.00 0.00 03:54:01 PM lo 1020.57 1020.57 1019.07 1019.07 0.00 0.00 0.00 0.00 03:54:01 PM eth0 188.08 120.50 3328.11 13.11 0.00 0.00 0.00 0.00 03:55:01 PM lo 0.60 0.60 1.32 1.32 0.00 0.00 0.00 0.00 03:55:01 PM eth0 107.45 108.48 311.26 648.46 0.00 0.00 0.00 0.00 Average: lo 255.24 255.24 255.05 255.05 0.00 0.00 0.00 0.00 Average: eth0 170.80 139.20 2047.00 179.57 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) 11/25/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 23.62 0.46 7.72 1.97 0.11 66.12 03:52:01 PM 0 10.25 0.40 6.07 0.80 0.13 82.34 03:52:01 PM 1 40.90 0.23 6.28 2.26 0.10 50.23 03:52:01 PM 2 18.72 0.60 9.18 1.84 0.10 69.56 03:52:01 PM 3 24.69 0.59 9.37 2.98 0.10 62.27 03:53:01 PM all 64.15 0.00 2.17 2.09 0.13 31.46 03:53:01 PM 0 60.14 0.00 3.11 2.02 0.13 34.60 03:53:01 PM 1 65.83 0.00 2.23 2.28 0.13 29.52 03:53:01 PM 2 71.42 0.00 1.28 1.20 0.12 25.98 03:53:01 PM 3 59.27 0.00 2.06 2.85 0.13 35.69 03:54:01 PM all 32.90 0.00 1.63 25.74 0.11 39.62 03:54:01 PM 0 35.79 0.00 1.21 33.81 0.13 29.06 03:54:01 PM 1 31.17 0.00 1.73 29.53 0.12 37.45 03:54:01 PM 2 34.68 0.00 1.79 18.32 0.10 45.10 03:54:01 PM 3 29.93 0.00 1.79 21.29 0.10 46.90 03:55:01 PM all 30.47 0.00 2.16 0.35 0.11 66.91 03:55:01 PM 0 42.12 0.00 2.79 0.17 0.13 54.79 03:55:01 PM 1 25.05 0.00 1.86 0.07 0.12 72.91 03:55:01 PM 2 27.51 0.00 2.18 0.25 0.08 69.97 03:55:01 PM 3 27.17 0.00 1.81 0.92 0.10 70.01 Average: all 37.77 0.11 3.42 7.52 0.12 51.06 Average: 0 37.05 0.10 3.30 9.17 0.13 50.25 Average: 1 40.73 0.06 3.03 8.52 0.12 47.54 Average: 2 38.03 0.15 3.61 5.41 0.10 52.70 Average: 3 35.26 0.15 3.76 6.99 0.11 53.74