---> uname -a: Linux prd-centos8-builder-4c-4g-21425.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 686 12311 19 2765 14729 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:73:70:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.209/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe73:7064/64 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) 06/15/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 228.06 75.21 152.85 3725.16 10618.48 03:53:01 PM 334.96 5.77 329.20 1302.72 12759.67 03:54:01 PM 123.80 1.00 122.80 65.06 10527.73 Average: 228.94 27.33 201.61 1697.76 11301.92 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13188908 15036028 2952624 18.29 2688 2047612 1041688 6.06 195536 2361868 116792 03:53:01 PM 11752056 13877812 4389476 27.19 2688 2318308 1920276 11.17 318756 3634956 60056 03:54:01 PM 12635016 15109020 3506516 21.72 2688 2662772 818400 4.76 683484 2380960 159084 Average: 12525327 14674287 3616205 22.40 2688 2342897 1260121 7.33 399259 2792595 111977 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 252.27 161.93 1133.90 24.73 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 304.03 252.14 3212.16 38.58 0.00 0.00 0.00 0.00 03:54:01 PM lo 928.63 928.63 929.68 929.68 0.00 0.00 0.00 0.00 03:54:01 PM eth0 299.43 226.53 3626.69 653.93 0.00 0.00 0.00 0.00 Average: lo 309.53 309.53 309.88 309.88 0.00 0.00 0.00 0.00 Average: eth0 285.24 213.53 2657.50 239.07 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) 06/15/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 19.72 0.56 8.27 5.58 0.09 65.78 03:52:01 PM 0 21.67 0.33 6.33 2.36 0.10 69.20 03:52:01 PM 1 13.13 0.70 9.01 8.38 0.08 68.69 03:52:01 PM 2 18.39 0.65 9.25 6.32 0.08 65.30 03:52:01 PM 3 25.65 0.55 8.49 5.26 0.10 59.94 03:53:01 PM all 65.88 0.00 2.29 2.27 0.14 29.42 03:53:01 PM 0 55.45 0.00 2.32 2.22 0.13 39.88 03:53:01 PM 1 77.02 0.00 1.44 0.80 0.13 20.61 03:53:01 PM 2 68.87 0.00 2.76 3.18 0.15 25.05 03:53:01 PM 3 62.18 0.00 2.65 2.87 0.15 32.16 03:54:01 PM all 52.39 0.00 2.93 0.92 0.11 43.65 03:54:01 PM 0 52.97 0.00 2.41 0.89 0.12 43.62 03:54:01 PM 1 61.95 0.00 3.13 1.09 0.12 33.72 03:54:01 PM 2 47.02 0.00 3.55 0.74 0.12 48.58 03:54:01 PM 3 47.58 0.00 2.65 0.96 0.10 48.72 Average: all 45.99 0.19 4.50 2.92 0.12 46.28 Average: 0 43.37 0.11 3.69 1.82 0.12 50.90 Average: 1 50.73 0.23 4.52 3.42 0.11 40.98 Average: 2 44.76 0.22 5.19 3.41 0.12 46.30 Average: 3 45.12 0.18 4.60 3.03 0.12 46.95