---> uname -a: Linux prd-centos8-builder-2c-1g-5591.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 558 4988 19 2152 6835 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:a0:9e:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.51/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86173sec preferred_lft 86173sec inet6 fe80::f816:3eff:fea0:9ea6/64 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) 19:03:19 LINUX RESTART (2 CPU) 07:04:01 PM tps rtps wtps bread/s bwrtn/s 07:05:01 PM 218.73 57.56 161.17 811.33 12359.71 07:06:01 PM 51.53 0.27 51.27 34.66 5744.69 07:07:01 PM 28.09 1.12 26.97 69.84 786.77 Average: 99.44 19.64 79.80 305.25 6296.72 07:04:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:05:01 PM 5157096 7041764 2727348 34.59 2688 2050532 657768 7.36 218700 2135816 146892 07:06:01 PM 5142116 7027868 2742328 34.78 2688 2051556 677648 7.59 227300 2141184 7484 07:07:01 PM 5148832 7039500 2735612 34.70 2688 2056240 656344 7.35 403600 1958840 20480 Average: 5149348 7036377 2735096 34.69 2688 2052776 663920 7.43 283200 2078613 58285 07:04:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 PM eth0 91.30 66.29 1364.23 13.08 0.00 0.00 0.00 0.00 07:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 PM eth0 35.14 30.34 33.01 10.27 0.00 0.00 0.00 0.00 07:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 PM eth0 37.47 30.36 36.73 16.69 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 54.63 42.33 477.94 13.34 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) 19:03:19 LINUX RESTART (2 CPU) 07:04:01 PM CPU %user %nice %system %iowait %steal %idle 07:05:01 PM all 40.46 0.83 10.29 1.90 0.08 46.44 07:05:01 PM 0 34.31 0.42 8.02 1.87 0.08 55.31 07:05:01 PM 1 46.65 1.24 12.58 1.93 0.08 37.51 07:06:01 PM all 39.83 0.00 2.86 0.37 0.08 56.85 07:06:01 PM 0 25.51 0.00 2.73 0.17 0.08 71.52 07:06:01 PM 1 54.19 0.00 3.00 0.57 0.08 42.16 07:07:01 PM all 39.04 0.00 3.26 0.17 0.08 57.45 07:07:01 PM 0 22.37 0.00 2.65 0.10 0.08 74.80 07:07:01 PM 1 55.74 0.00 3.87 0.23 0.08 40.08 Average: all 39.78 0.28 5.46 0.81 0.08 53.59 Average: 0 27.39 0.14 4.46 0.71 0.08 67.22 Average: 1 52.21 0.41 6.47 0.91 0.08 39.92