---> uname -a: Linux prd-centos8-builder-2c-1g-5390.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): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 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): 0,1 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 3.8G 0 3.8G 0% /dev tmpfs 3.8G 0 3.8G 0% /dev/shm tmpfs 3.8G 17M 3.8G 1% /run tmpfs 3.8G 0 3.8G 0% /sys/fs/cgroup /dev/vda1 40G 8.5G 32G 22% / tmpfs 770M 0 770M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7699 585 4962 19 2152 6808 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:64:9c:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.69/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86164sec preferred_lft 86164sec inet6 fe80::f816:3eff:fe64:9cb8/64 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) 03/27/2026 _x86_64_ (2 CPU) 03:03:22 LINUX RESTART (2 CPU) 03:04:01 AM tps rtps wtps bread/s bwrtn/s 03:05:01 AM 232.62 76.69 155.93 972.48 11598.07 03:06:01 AM 59.69 0.28 59.41 35.46 6863.97 03:07:01 AM 28.38 0.95 27.43 47.06 965.81 Average: 106.90 25.98 80.93 351.70 6476.23 03:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:05:01 AM 5077312 6958764 2807132 35.60 2688 2048444 743772 8.33 198456 2240824 174484 03:06:01 AM 5056900 6942704 2827544 35.86 2688 2051720 758672 8.49 226408 2228484 7672 03:07:01 AM 5142040 7029444 2742404 34.78 2688 2053116 729124 8.16 403220 1965420 7628 Average: 5092084 6976971 2792360 35.42 2688 2051093 743856 8.33 276028 2144909 63261 03:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:05:01 AM eth0 119.26 78.96 1512.98 14.30 0.00 0.00 0.00 0.00 03:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:06:01 AM eth0 36.23 30.86 53.14 10.68 0.00 0.00 0.00 0.00 03:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 AM eth0 33.94 28.25 34.03 15.83 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 63.15 46.02 533.43 13.60 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) 03/27/2026 _x86_64_ (2 CPU) 03:03:22 LINUX RESTART (2 CPU) 03:04:01 AM CPU %user %nice %system %iowait %steal %idle 03:05:01 AM all 39.28 1.15 13.18 2.21 0.10 44.08 03:05:01 AM 0 31.98 0.89 11.01 1.91 0.10 54.11 03:05:01 AM 1 46.62 1.42 15.37 2.52 0.10 33.98 03:06:01 AM all 39.17 0.00 2.97 0.47 0.11 57.28 03:06:01 AM 0 28.07 0.00 2.52 0.40 0.12 68.89 03:06:01 AM 1 50.31 0.00 3.41 0.55 0.10 45.63 03:07:01 AM all 37.49 0.00 2.96 0.20 0.12 59.24 03:07:01 AM 0 22.09 0.00 2.62 0.12 0.12 75.06 03:07:01 AM 1 52.93 0.00 3.30 0.28 0.12 43.38 Average: all 38.64 0.38 6.34 0.96 0.11 53.57 Average: 0 27.36 0.29 5.36 0.81 0.11 66.06 Average: 1 49.97 0.47 7.32 1.11 0.11 41.03