---> uname -a: Linux prd-centos8-builder-4c-4g-38304.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 745 12232 19 2785 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:dd:79:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.7/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fedd:7904/64 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) 08/16/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 443.62 79.39 364.23 3823.93 13781.26 03:53:01 PM 203.43 3.70 199.73 1236.19 12144.51 03:54:01 PM 79.01 0.72 78.29 79.57 12888.00 Average: 242.02 27.94 214.08 1713.26 12937.97 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12666044 14647384 3475488 21.53 2688 2177520 1191704 6.93 211176 2850692 204000 03:53:01 PM 10358956 12810792 5782576 35.82 2688 2639988 2941168 17.11 347116 4979112 318644 03:54:01 PM 12473544 14968220 3667988 22.72 2688 2682208 936296 5.45 687044 2535468 33368 Average: 11832848 14142132 4308684 26.69 2688 2499905 1689723 9.83 415112 3455091 185337 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 301.18 227.86 2838.58 38.57 0.00 0.00 0.00 0.00 03:53:01 PM lo 1086.04 1086.04 1037.83 1037.83 0.00 0.00 0.00 0.00 03:53:01 PM eth0 332.41 237.44 4812.20 33.51 0.00 0.00 0.00 0.00 03:54:01 PM lo 3.22 3.22 48.62 48.62 0.00 0.00 0.00 0.00 03:54:01 PM eth0 116.78 108.70 310.42 645.19 0.00 0.00 0.00 0.00 Average: lo 363.04 363.04 362.11 362.11 0.00 0.00 0.00 0.00 Average: eth0 250.12 191.33 2653.61 239.10 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) 08/16/2025 _x86_64_ (4 CPU) 15:50:21 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 30.05 0.64 12.29 2.07 0.10 54.86 03:52:01 PM 0 27.47 0.70 12.10 1.72 0.08 57.92 03:52:01 PM 1 34.73 0.84 16.22 3.15 0.12 44.94 03:52:01 PM 2 18.16 0.77 12.37 1.44 0.10 67.16 03:52:01 PM 3 39.80 0.23 8.47 1.97 0.10 49.43 03:53:01 PM all 72.53 0.00 2.58 0.85 0.13 23.90 03:53:01 PM 0 74.26 0.00 2.27 0.70 0.12 22.65 03:53:01 PM 1 73.46 0.00 2.27 0.85 0.12 23.30 03:53:01 PM 2 75.08 0.00 2.94 0.28 0.15 21.55 03:53:01 PM 3 67.31 0.00 2.84 1.57 0.15 28.12 03:54:01 PM all 38.93 0.00 2.14 0.36 0.08 58.49 03:54:01 PM 0 40.53 0.00 2.49 0.30 0.08 56.59 03:54:01 PM 1 45.80 0.00 2.47 0.13 0.07 51.52 03:54:01 PM 2 36.16 0.00 1.89 0.72 0.07 61.16 03:54:01 PM 3 33.23 0.00 1.71 0.30 0.08 64.68 Average: all 47.18 0.21 5.67 1.10 0.10 45.74 Average: 0 47.42 0.23 5.62 0.91 0.09 45.72 Average: 1 51.34 0.28 6.99 1.38 0.10 39.92 Average: 2 43.16 0.26 5.73 0.81 0.11 49.93 Average: 3 46.78 0.08 4.34 1.28 0.11 47.41