---> uname -a: Linux prd-centos8-builder-2c-4g-7021.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: 2800.000 BogoMIPS: 5600.00 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 512 1035 17 2117 2875 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:18:cc:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.32.7.100/23 brd 10.32.7.255 scope global dynamic noprefixroute eth0 valid_lft 85870sec preferred_lft 85870sec inet6 fe80::f816:3eff:fe18:cc99/64 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) 07/30/2026 _x86_64_ (2 CPU) 00:03:50 LINUX RESTART (2 CPU) 12:04:02 AM tps rtps wtps bread/s bwrtn/s 12:05:01 AM 258.85 185.13 73.73 15216.74 38652.55 12:06:01 AM 63.43 0.38 63.05 34.12 6149.88 12:07:01 AM 66.24 0.60 65.65 67.28 10695.07 12:08:01 AM 25.39 0.08 25.31 1.87 2745.22 12:09:01 AM 22.21 0.27 21.94 41.85 958.46 12:10:01 AM 16.21 0.00 16.21 0.00 401.98 12:11:01 AM 14.48 0.00 14.48 0.00 586.64 12:12:01 AM 17.69 0.90 16.79 46.38 468.18 Average: 60.15 23.08 37.07 1898.34 7517.81 12:04:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:05:01 AM 1564396 3036668 2189280 58.32 2104 1651612 625740 13.03 137640 1803676 73048 12:06:01 AM 1307008 3018080 2446668 65.18 2104 1878672 618052 12.87 144624 2011196 177748 12:07:01 AM 1140208 2986220 2613468 69.62 2104 2005336 621520 12.94 149060 2138256 36908 12:08:01 AM 1058544 2937200 2695132 71.80 2104 2037644 668096 13.91 173428 2197852 22236 12:09:01 AM 1094756 2974700 2658920 70.84 2104 2038752 623936 12.99 213288 2120484 8500 12:10:01 AM 1007152 2924416 2746524 73.17 2104 2076212 682028 14.20 216580 2205588 45944 12:11:01 AM 1053584 2933416 2700092 71.93 2104 2038756 672876 14.01 214024 2162132 8492 12:12:01 AM 1046392 2927728 2707284 72.12 2104 2040156 700372 14.58 398300 1984888 8356 Average: 1159005 2967304 2594671 69.12 2104 1970892 651578 13.57 205868 2078009 47654 12:04:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:05:01 AM eth0 206.95 113.23 941.04 55.95 0.00 0.00 0.00 0.00 12:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:06:01 AM eth0 87.82 75.89 949.60 7.69 0.00 0.00 0.00 0.00 12:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:07:01 AM eth0 28.36 25.43 100.24 4.74 0.00 0.00 0.00 0.00 12:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:08:01 AM eth0 48.23 39.94 655.71 6.39 0.00 0.00 0.00 0.00 12:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:09:01 AM eth0 12.71 13.31 13.13 5.61 0.00 0.00 0.00 0.00 12:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 AM eth0 8.45 10.08 6.60 4.80 0.00 0.00 0.00 0.00 12:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:11:01 AM eth0 11.51 11.54 10.08 3.23 0.00 0.00 0.00 0.00 12:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 AM eth0 18.37 16.86 17.26 12.38 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 52.48 38.13 335.42 12.51 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) 07/30/2026 _x86_64_ (2 CPU) 00:03:50 LINUX RESTART (2 CPU) 12:04:02 AM CPU %user %nice %system %iowait %steal %idle 12:05:01 AM all 43.85 0.06 13.34 13.11 2.12 27.52 12:05:01 AM 0 43.24 0.05 12.75 12.61 2.03 29.32 12:05:01 AM 1 44.46 0.07 13.93 13.61 2.21 25.72 12:06:01 AM all 36.87 0.00 4.40 2.17 2.04 54.51 12:06:01 AM 0 43.71 0.00 5.36 2.11 1.73 47.09 12:06:01 AM 1 30.08 0.00 3.46 2.23 2.35 61.89 12:07:01 AM all 37.56 0.00 4.41 2.44 1.93 53.66 12:07:01 AM 0 54.17 0.00 5.33 2.10 1.65 36.75 12:07:01 AM 1 21.10 0.00 3.50 2.79 2.21 70.41 12:08:01 AM all 37.13 0.00 2.59 0.77 1.33 58.19 12:08:01 AM 0 32.30 0.00 2.40 0.60 1.40 63.30 12:08:01 AM 1 41.97 0.00 2.77 0.94 1.25 53.07 12:09:01 AM all 36.90 0.00 2.87 0.49 1.42 58.31 12:09:01 AM 0 57.26 0.00 3.49 0.60 1.50 37.15 12:09:01 AM 1 16.64 0.00 2.26 0.38 1.35 79.37 12:10:01 AM all 33.31 0.00 1.76 0.26 1.02 63.65 12:10:01 AM 0 40.62 0.00 2.06 0.45 1.18 55.69 12:10:01 AM 1 25.98 0.00 1.45 0.07 0.87 71.64 12:11:01 AM all 34.56 0.00 2.60 0.47 1.14 61.23 12:11:01 AM 0 49.56 0.00 3.07 0.12 1.33 45.93 12:11:01 AM 1 19.57 0.00 2.13 0.83 0.95 76.51 12:12:01 AM all 39.18 0.00 3.01 0.57 1.23 56.01 12:12:01 AM 0 31.90 0.00 2.11 0.58 1.10 64.31 12:12:01 AM 1 46.47 0.00 3.90 0.57 1.37 47.69 Average: all 37.40 0.01 4.35 2.51 1.53 54.20 Average: 0 44.09 0.01 4.55 2.37 1.49 47.49 Average: 1 30.72 0.01 4.15 2.65 1.57 60.90