---> uname -a: Linux prd-centos8-builder-4c-4g-11570.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 791 10017 19 4953 14622 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:04:69:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.159/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85894sec preferred_lft 85894sec inet6 fe80::f816:3eff:fe04:6956/64 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) 11/10/2025 _x86_64_ (4 CPU) 03:22:57 LINUX RESTART (4 CPU) 03:24:02 AM tps rtps wtps bread/s bwrtn/s 03:25:01 AM 150.08 14.28 135.80 3140.90 11530.07 03:26:01 AM 426.33 4.43 421.90 756.81 12219.73 03:27:01 AM 65.63 3.48 62.15 401.00 31278.47 03:28:01 AM 48.71 0.00 48.71 0.00 6681.29 03:29:01 AM 125.20 0.00 125.20 0.00 31497.65 03:30:01 AM 69.40 0.00 69.40 0.00 7147.08 03:31:01 AM 94.00 0.30 93.70 48.78 11871.96 Average: 139.87 3.19 136.68 615.05 16043.89 03:24:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:25:01 AM 12928748 14872344 3212784 19.90 2688 2132052 1032128 6.00 209508 2559112 25556 03:26:01 AM 11140964 13446888 5000568 30.98 2688 2483120 2309156 13.43 390288 4135232 83760 03:27:01 AM 10061012 13275760 6080520 37.67 2688 3379908 2461084 14.32 479344 5106932 45216 03:28:01 AM 7936288 12120540 8205244 50.83 2688 4338740 3574000 20.79 835484 6852292 821840 03:29:01 AM 8637640 13033804 7503892 46.49 2688 4546344 2590276 15.07 897120 6084724 107548 03:30:01 AM 7724412 12438072 8417120 52.15 2688 4835088 3063664 17.82 1005456 6836096 214848 03:31:01 AM 10271844 14984272 5869688 36.36 2688 4814648 828036 4.82 1214724 4048876 110624 Average: 9814415 13453097 6327117 39.20 2688 3789986 2265478 13.18 718846 5089038 201342 03:24:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 AM eth0 387.63 404.22 903.68 123.09 0.00 0.00 0.00 0.00 03:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 AM eth0 419.10 325.91 5284.26 42.46 0.00 0.00 0.00 0.00 03:27:01 AM lo 0.77 0.77 0.11 0.11 0.00 0.00 0.00 0.00 03:27:01 AM eth0 161.07 135.22 3870.79 22.29 0.00 0.00 0.00 0.00 03:28:01 AM lo 0.83 0.83 0.11 0.11 0.00 0.00 0.00 0.00 03:28:01 AM eth0 91.00 69.99 1846.15 11.65 0.00 0.00 0.00 0.00 03:29:01 AM lo 2.15 2.15 0.45 0.45 0.00 0.00 0.00 0.00 03:29:01 AM eth0 36.83 36.18 134.93 11.52 0.00 0.00 0.00 0.00 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 23.34 22.09 11.31 9.44 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 23.26 19.98 23.00 10.92 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.10 0.10 0.00 0.00 0.00 0.00 Average: eth0 162.63 144.18 1726.90 32.84 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) 11/10/2025 _x86_64_ (4 CPU) 03:22:57 LINUX RESTART (4 CPU) 03:24:02 AM CPU %user %nice %system %iowait %steal %idle 03:25:01 AM all 13.45 0.00 2.15 0.89 0.09 83.41 03:25:01 AM 0 15.74 0.00 1.96 1.87 0.09 80.35 03:25:01 AM 1 9.45 0.00 2.08 0.58 0.09 87.81 03:25:01 AM 2 10.72 0.00 1.65 0.77 0.09 86.77 03:25:01 AM 3 17.91 0.00 2.92 0.36 0.10 78.71 03:26:01 AM all 39.08 0.00 2.59 1.78 0.10 56.46 03:26:01 AM 0 44.70 0.00 1.92 0.55 0.10 52.72 03:26:01 AM 1 33.32 0.00 2.44 1.88 0.10 62.26 03:26:01 AM 2 37.71 0.00 1.91 1.54 0.10 58.74 03:26:01 AM 3 40.58 0.00 4.09 3.15 0.08 52.10 03:27:01 AM all 58.21 0.00 2.66 0.57 0.10 38.47 03:27:01 AM 0 65.34 0.00 4.03 0.87 0.10 29.67 03:27:01 AM 1 51.78 0.00 1.90 0.13 0.10 46.09 03:27:01 AM 2 58.01 0.00 1.96 0.74 0.08 39.21 03:27:01 AM 3 57.70 0.00 2.74 0.53 0.10 38.92 03:28:01 AM all 37.77 0.00 2.07 4.98 0.09 55.10 03:28:01 AM 0 42.06 0.00 2.54 3.52 0.07 51.80 03:28:01 AM 1 37.53 0.00 1.30 11.51 0.10 49.55 03:28:01 AM 2 37.94 0.00 2.98 0.70 0.10 58.28 03:28:01 AM 3 33.52 0.00 1.45 4.18 0.08 60.76 03:29:01 AM all 52.59 0.00 2.70 1.88 0.09 42.74 03:29:01 AM 0 53.22 0.00 2.73 0.69 0.08 43.28 03:29:01 AM 1 60.36 0.00 3.62 1.32 0.08 34.61 03:29:01 AM 2 50.65 0.00 2.78 2.82 0.10 43.64 03:29:01 AM 3 46.15 0.00 1.68 2.70 0.08 49.40 03:30:01 AM all 54.13 0.00 2.96 0.38 0.11 42.42 03:30:01 AM 0 41.06 0.00 1.42 0.92 0.10 56.50 03:30:01 AM 1 54.87 0.00 1.79 0.13 0.12 43.09 03:30:01 AM 2 49.43 0.00 2.62 0.33 0.10 47.51 03:30:01 AM 3 71.18 0.00 6.02 0.12 0.12 22.56 03:31:01 AM all 50.21 0.00 2.46 0.76 0.09 46.47 03:31:01 AM 0 56.10 0.00 3.49 1.71 0.10 38.60 03:31:01 AM 1 42.89 0.00 2.24 0.77 0.10 54.00 03:31:01 AM 2 54.79 0.00 2.59 0.13 0.08 42.39 03:31:01 AM 3 47.05 0.00 1.52 0.44 0.08 50.90 Average: all 43.71 0.00 2.51 1.61 0.09 52.07 Average: 0 45.53 0.00 2.59 1.45 0.09 50.34 Average: 1 41.54 0.00 2.20 2.34 0.10 53.83 Average: 2 42.84 0.00 2.36 1.00 0.09 53.71 Average: 3 44.95 0.00 2.92 1.64 0.09 50.40