---> uname -a: Linux prd-centos8-builder-4c-4g-10148.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: 2799.934 BogoMIPS: 5599.86 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 898 11251 19 3613 14515 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:15:7a:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fe15:7a21/64 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) 05/13/2026 _x86_64_ (4 CPU) 08:17:23 LINUX RESTART (4 CPU) 08:18:02 AM tps rtps wtps bread/s bwrtn/s 08:19:01 AM 262.94 72.43 190.51 3030.57 12835.41 08:20:01 AM 601.33 0.03 601.30 0.53 32413.10 08:21:01 AM 672.17 0.02 672.15 13.60 26791.77 08:22:01 AM 49.09 2.65 46.44 674.29 2727.41 Average: 396.94 18.56 378.38 921.05 18716.18 08:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:19:01 AM 12553120 14595916 3588412 22.23 2688 2236256 1665732 9.69 214060 2947472 271448 08:20:01 AM 9845580 13106008 6295952 39.00 2688 3294260 2974504 17.30 216988 5307752 659660 08:21:01 AM 10196064 13467504 5945468 36.83 2688 3301492 2477684 14.41 259848 4865344 12 08:22:01 AM 11483568 14818560 4657964 28.86 2688 3363068 923072 5.37 455664 3395716 58312 Average: 11019583 13996997 5121949 31.73 2688 3048769 2010248 11.69 286640 4129071 247358 08:18:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 AM eth0 185.94 143.53 2502.04 27.28 0.00 0.00 0.00 0.00 08:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 AM eth0 1792.07 1484.87 6384.65 382.43 0.00 0.00 0.00 0.00 08:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 AM eth0 884.77 688.22 268.70 219.39 0.00 0.00 0.00 0.00 08:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 AM eth0 45.56 40.81 283.11 43.86 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 729.32 591.20 2359.04 168.83 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) 05/13/2026 _x86_64_ (4 CPU) 08:17:23 LINUX RESTART (4 CPU) 08:18:02 AM CPU %user %nice %system %iowait %steal %idle 08:19:01 AM all 24.71 0.51 8.78 1.22 0.09 64.68 08:19:01 AM 0 14.60 0.65 9.22 1.02 0.10 74.42 08:19:01 AM 1 30.63 0.61 9.52 1.29 0.09 57.86 08:19:01 AM 2 26.93 0.37 8.86 1.22 0.09 62.52 08:19:01 AM 3 26.70 0.43 7.53 1.34 0.10 63.90 08:20:01 AM all 27.28 0.00 8.37 1.87 0.11 62.37 08:20:01 AM 0 40.49 0.00 8.05 1.11 0.12 50.24 08:20:01 AM 1 30.12 0.00 9.01 4.34 0.08 56.44 08:20:01 AM 2 11.78 0.00 8.43 1.01 0.12 78.65 08:20:01 AM 3 26.68 0.00 7.99 1.00 0.12 64.21 08:21:01 AM all 31.76 0.00 2.30 2.24 0.10 63.60 08:21:01 AM 0 32.08 0.00 1.92 0.75 0.10 65.15 08:21:01 AM 1 72.92 0.00 2.48 1.37 0.10 23.12 08:21:01 AM 2 11.57 0.00 2.87 6.01 0.08 79.46 08:21:01 AM 3 10.47 0.00 1.94 0.84 0.10 86.65 08:22:01 AM all 28.19 0.00 1.22 0.16 0.08 70.35 08:22:01 AM 0 37.74 0.00 1.42 0.25 0.08 60.51 08:22:01 AM 1 36.51 0.00 0.74 0.00 0.08 62.67 08:22:01 AM 2 17.80 0.00 1.22 0.08 0.08 80.81 08:22:01 AM 3 20.70 0.00 1.50 0.30 0.07 77.43 Average: all 28.00 0.13 5.15 1.37 0.09 65.26 Average: 0 31.28 0.16 5.13 0.78 0.10 62.56 Average: 1 42.61 0.15 5.41 1.75 0.09 49.99 Average: 2 17.00 0.09 5.33 2.09 0.09 75.40 Average: 3 21.10 0.11 4.72 0.87 0.10 73.11