---> uname -a: Linux prd-centos8-builder-2c-4g-5259.novalocal 4.18.0-529.el8.x86_64 #1 SMP Wed Dec 6 01:03:46 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 1.8G 0 1.8G 0% /dev tmpfs 1.8G 0 1.8G 0% /dev/shm tmpfs 1.8G 17M 1.8G 1% /run tmpfs 1.8G 0 1.8G 0% /sys/fs/cgroup /dev/vda1 20G 9.1G 11G 46% / tmpfs 367M 0 367M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3665 514 1035 17 2115 2873 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:cc:f2:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.32.7.120/23 brd 10.32.7.255 scope global dynamic noprefixroute eth0 valid_lft 85883sec preferred_lft 85883sec inet6 fe80::f816:3eff:fecc:f21c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 07/08/2026 _x86_64_ (2 CPU) 04:03:42 LINUX RESTART (2 CPU) 04:04:01 AM tps rtps wtps bread/s bwrtn/s 04:05:01 AM 181.04 104.02 77.02 11154.28 39035.30 04:06:01 AM 57.41 0.20 57.21 30.00 5449.51 04:07:01 AM 68.33 0.62 67.71 67.71 10786.65 04:08:01 AM 22.80 0.05 22.75 1.33 2626.50 04:09:01 AM 23.89 0.27 23.63 41.85 1007.21 04:10:01 AM 17.11 0.00 17.11 0.00 424.99 04:11:01 AM 16.53 0.63 15.89 20.79 613.91 04:12:01 AM 17.75 0.47 17.28 48.93 507.73 Average: 50.61 13.28 37.32 1420.67 7556.63 04:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:05:01 AM 1557104 3028468 2196572 58.52 2104 1650096 619864 12.91 137712 1809164 42468 04:06:01 AM 1291432 2998392 2462244 65.60 2104 1874424 611020 12.72 144800 2023924 147496 04:07:01 AM 1166688 3001696 2586988 68.92 2104 1994368 578184 12.04 148108 2112904 24132 04:08:01 AM 1046012 2922052 2707664 72.13 2104 2034704 663284 13.81 173796 2207420 22236 04:09:01 AM 1075808 2952676 2677868 71.34 2104 2035816 634860 13.22 213412 2138504 8500 04:10:01 AM 1083344 2959228 2670332 71.14 2104 2034852 622624 12.97 213660 2130328 7480 04:11:01 AM 1063196 2939752 2690480 71.68 2104 2035460 642128 13.37 214376 2149188 7488 04:12:01 AM 1041732 2934248 2711944 72.25 2104 2050772 651520 13.57 401348 1982668 22492 Average: 1165664 2967064 2588012 68.95 2104 1963812 627936 13.08 205902 2069262 35286 04:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:05:01 AM eth0 201.90 117.13 964.97 56.45 0.00 0.00 0.00 0.00 04:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:06:01 AM eth0 67.46 55.76 896.18 5.66 0.00 0.00 0.00 0.00 04:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:07:01 AM eth0 26.42 22.99 111.04 4.94 0.00 0.00 0.00 0.00 04:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:08:01 AM eth0 45.49 36.61 656.43 6.11 0.00 0.00 0.00 0.00 04:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:09:01 AM eth0 13.13 13.96 13.86 5.75 0.00 0.00 0.00 0.00 04:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 AM eth0 9.28 11.05 7.52 5.21 0.00 0.00 0.00 0.00 04:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 AM eth0 12.83 13.03 11.72 4.11 0.00 0.00 0.00 0.00 04:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 AM eth0 17.66 15.95 17.30 13.15 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 49.27 35.81 334.86 12.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 07/08/2026 _x86_64_ (2 CPU) 04:03:42 LINUX RESTART (2 CPU) 04:04:01 AM CPU %user %nice %system %iowait %steal %idle 04:05:01 AM all 43.56 0.02 9.28 9.00 2.88 35.25 04:05:01 AM 0 53.28 0.02 9.03 9.66 2.85 25.16 04:05:01 AM 1 33.91 0.03 9.53 8.35 2.92 45.26 04:06:01 AM all 31.32 0.00 3.84 1.77 2.26 60.80 04:06:01 AM 0 14.59 0.00 2.39 2.50 2.16 78.36 04:06:01 AM 1 48.24 0.00 5.31 1.03 2.36 43.05 04:07:01 AM all 37.92 0.00 4.03 2.38 2.47 53.20 04:07:01 AM 0 56.09 0.00 5.86 2.35 2.35 33.35 04:07:01 AM 1 20.07 0.00 2.23 2.41 2.59 72.70 04:08:01 AM all 32.34 0.00 2.14 0.58 2.10 62.84 04:08:01 AM 0 25.55 0.00 1.44 0.74 2.19 70.08 04:08:01 AM 1 39.19 0.00 2.84 0.42 2.01 55.54 04:09:01 AM all 37.05 0.00 2.59 0.49 2.32 57.55 04:09:01 AM 0 27.48 0.00 2.69 0.28 2.13 67.43 04:09:01 AM 1 46.66 0.00 2.48 0.70 2.52 47.65 04:10:01 AM all 38.99 0.00 2.01 0.20 2.15 56.65 04:10:01 AM 0 26.51 0.00 1.57 0.10 2.08 69.74 04:10:01 AM 1 51.55 0.00 2.46 0.30 2.23 43.47 04:11:01 AM all 34.39 0.00 2.39 0.48 1.84 60.91 04:11:01 AM 0 23.85 0.00 2.06 0.35 1.71 72.04 04:11:01 AM 1 44.97 0.00 2.73 0.62 1.96 49.73 04:12:01 AM all 40.09 0.00 3.49 0.17 2.12 54.13 04:12:01 AM 0 31.15 0.00 3.08 0.18 1.97 63.61 04:12:01 AM 1 49.06 0.00 3.91 0.15 2.26 44.62 Average: all 36.95 0.00 3.72 1.88 2.27 55.17 Average: 0 32.25 0.00 3.50 2.01 2.18 60.05 Average: 1 41.66 0.00 3.93 1.75 2.36 50.29