---> uname -a: Linux prd-centos8-builder-4c-4g-13858.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 755 12215 19 2792 14659 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:61:2b:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.28/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe61:2b78/64 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) 11/19/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:03 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 270.49 74.44 196.05 3890.38 12597.85 03:53:01 PM 311.06 5.55 305.51 1298.95 12914.59 03:54:01 PM 99.77 0.98 98.78 64.92 9113.25 Average: 226.63 26.46 200.17 1727.46 11530.25 03:51:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12899624 14832904 3241908 20.08 2688 2131048 1093116 6.36 203956 2628964 155992 03:53:01 PM 11389196 13555496 4752336 29.44 2688 2356924 2235128 13.00 320560 3986028 35884 03:54:01 PM 12574456 15076532 3567076 22.10 2688 2689668 833404 4.85 682256 2438776 161076 Average: 12287759 14488311 3853773 23.87 2688 2392547 1387216 8.07 402257 3017923 117651 03:51:03 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 170.18 136.64 2127.92 28.34 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 245.39 212.24 2481.06 32.48 0.00 0.00 0.00 0.00 03:54:01 PM lo 1003.73 1003.73 1004.26 1004.26 0.00 0.00 0.00 0.00 03:54:01 PM eth0 356.39 232.39 3425.42 653.09 0.00 0.00 0.00 0.00 Average: lo 338.28 338.28 338.46 338.46 0.00 0.00 0.00 0.00 Average: eth0 258.29 194.40 2684.26 240.29 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) 11/19/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:03 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 21.91 0.55 9.37 1.62 0.08 66.46 03:52:01 PM 0 14.31 0.60 11.04 0.50 0.09 73.46 03:52:01 PM 1 20.23 0.71 11.08 2.63 0.07 65.28 03:52:01 PM 2 19.48 0.54 8.14 1.80 0.09 69.96 03:52:01 PM 3 33.66 0.35 7.23 1.54 0.09 57.14 03:53:01 PM all 64.33 0.00 2.11 1.71 0.10 31.74 03:53:01 PM 0 61.06 0.00 2.44 1.32 0.10 35.07 03:53:01 PM 1 66.86 0.00 2.04 1.92 0.10 29.09 03:53:01 PM 2 66.36 0.00 2.02 2.17 0.08 29.36 03:53:01 PM 3 63.05 0.00 1.96 1.44 0.10 33.46 03:54:01 PM all 53.04 0.00 3.06 0.34 0.09 43.47 03:54:01 PM 0 56.92 0.00 3.32 0.30 0.10 39.36 03:54:01 PM 1 47.72 0.00 2.23 0.07 0.08 49.90 03:54:01 PM 2 55.80 0.00 3.58 0.57 0.08 39.97 03:54:01 PM 3 51.73 0.00 3.10 0.40 0.10 44.67 Average: all 46.70 0.18 4.80 1.22 0.09 47.01 Average: 0 44.40 0.20 5.55 0.71 0.10 49.05 Average: 1 45.22 0.23 5.05 1.53 0.08 47.88 Average: 2 47.53 0.17 4.54 1.51 0.08 46.16 Average: 3 49.66 0.11 4.06 1.12 0.10 44.95