---> uname -a: Linux prd-centos8-builder-2c-4g-5527.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 499 1048 17 2118 2889 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:8e:bb:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.32.7.43/23 brd 10.32.7.255 scope global dynamic noprefixroute eth0 valid_lft 85898sec preferred_lft 85898sec inet6 fe80::f816:3eff:fe8e:bbf4/64 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) 07/11/2026 _x86_64_ (2 CPU) 11:03:49 LINUX RESTART (2 CPU) 11:04:01 AM tps rtps wtps bread/s bwrtn/s 11:05:01 AM 242.14 168.39 73.74 14598.22 37939.60 11:06:01 AM 66.49 0.20 66.29 29.99 7036.35 11:07:01 AM 53.32 0.62 52.70 67.71 9368.39 11:08:01 AM 27.38 0.05 27.33 1.33 2910.56 11:09:01 AM 19.23 0.27 18.96 41.85 514.85 11:10:01 AM 16.98 0.00 16.98 0.00 610.60 11:11:01 AM 17.95 0.72 17.24 31.05 656.65 11:12:01 AM 19.19 0.38 18.81 38.65 545.85 Average: 57.83 21.33 36.51 1851.06 7447.67 11:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:05:01 AM 1577380 3046352 2176296 57.98 2104 1647976 601956 12.53 137716 1790380 69016 11:06:01 AM 1257888 2977068 2495788 66.49 2104 1886572 638812 13.30 145412 2057812 141500 11:07:01 AM 1130860 2968984 2622816 69.87 2104 1997664 622012 12.95 148408 2148816 24284 11:08:01 AM 985812 2902976 2767864 73.74 2104 2076256 687048 14.31 177416 2264248 47068 11:09:01 AM 1008092 2925400 2745584 73.14 2104 2076380 666200 13.87 216488 2202656 45944 11:10:01 AM 1130716 3009648 2622960 69.88 2104 2037964 581760 12.11 214004 2081868 4 11:11:01 AM 1106000 2985884 2647676 70.54 2104 2038860 603244 12.56 398172 1923140 7508 11:12:01 AM 1089820 2974572 2663856 70.97 2104 2043148 614064 12.79 398224 1938512 20856 Average: 1160821 2973860 2592855 69.08 2104 1975602 626887 13.05 229480 2050929 44522 11:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 AM eth0 229.11 121.74 927.95 56.59 0.00 0.00 0.00 0.00 11:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM eth0 95.30 77.34 1027.65 8.08 0.00 0.00 0.00 0.00 11:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 AM eth0 9.91 10.18 24.96 3.94 0.00 0.00 0.00 0.00 11:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 AM eth0 52.14 44.99 660.80 7.24 0.00 0.00 0.00 0.00 11:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 AM eth0 12.06 13.80 13.55 5.72 0.00 0.00 0.00 0.00 11:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 AM eth0 10.40 11.46 9.03 4.26 0.00 0.00 0.00 0.00 11:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 AM eth0 20.27 18.64 17.17 11.23 0.00 0.00 0.00 0.00 11:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 AM eth0 12.00 12.88 10.19 6.19 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 55.15 38.88 336.39 12.91 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) 07/11/2026 _x86_64_ (2 CPU) 11:03:49 LINUX RESTART (2 CPU) 11:04:01 AM CPU %user %nice %system %iowait %steal %idle 11:05:01 AM all 42.67 0.04 12.62 12.52 2.05 30.09 11:05:01 AM 0 34.59 0.03 9.25 8.85 1.82 45.46 11:05:01 AM 1 50.81 0.05 16.02 16.22 2.27 14.64 11:06:01 AM all 37.27 0.00 3.96 2.17 1.57 55.01 11:06:01 AM 0 25.41 0.00 2.94 2.63 1.33 67.69 11:06:01 AM 1 49.17 0.00 4.99 1.72 1.82 42.30 11:07:01 AM all 36.88 0.00 3.82 1.50 1.64 56.16 11:07:01 AM 0 19.45 0.00 2.80 2.21 1.46 74.08 11:07:01 AM 1 54.37 0.00 4.85 0.80 1.82 38.16 11:08:01 AM all 38.24 0.00 2.31 0.79 1.38 57.28 11:08:01 AM 0 28.14 0.00 2.33 0.70 1.18 67.64 11:08:01 AM 1 48.34 0.00 2.28 0.88 1.58 46.91 11:09:01 AM all 37.94 0.00 2.46 0.51 1.56 57.54 11:09:01 AM 0 20.20 0.00 1.88 0.40 1.28 76.25 11:09:01 AM 1 55.76 0.00 3.04 0.62 1.84 38.75 11:10:01 AM all 36.53 0.00 2.20 0.38 1.28 59.60 11:10:01 AM 0 13.86 0.00 1.35 0.25 0.87 83.67 11:10:01 AM 1 59.28 0.00 3.06 0.52 1.70 35.45 11:11:01 AM all 36.65 0.00 3.08 0.42 1.35 58.50 11:11:01 AM 0 20.46 0.00 2.65 0.68 1.07 75.14 11:11:01 AM 1 52.89 0.00 3.51 0.15 1.64 41.82 11:12:01 AM all 40.71 0.00 3.11 0.19 1.42 54.57 11:12:01 AM 0 32.37 0.00 2.92 0.10 1.12 63.50 11:12:01 AM 1 49.05 0.00 3.30 0.28 1.72 45.65 Average: all 38.36 0.01 4.19 2.30 1.53 53.61 Average: 0 24.30 0.00 3.26 1.97 1.27 69.20 Average: 1 52.46 0.01 5.12 2.63 1.80 37.99