---> uname -a: Linux prd-centos8-builder-4c-4g-225.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.996 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 758 10432 19 4572 14655 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:2d:47:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.38/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85877sec preferred_lft 85877sec inet6 fe80::f816:3eff:fe2d:47b0/64 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) 12/19/2025 _x86_64_ (4 CPU) 01:21:27 LINUX RESTART (4 CPU) 01:22:01 AM tps rtps wtps bread/s bwrtn/s 01:23:01 AM 229.34 76.16 153.18 2291.64 11763.31 01:24:01 AM 35.72 0.00 35.72 0.00 4822.36 01:25:01 AM 109.01 12.08 96.93 1504.83 1477.11 01:26:01 AM 361.08 7.96 353.12 1069.64 13327.64 01:27:01 AM 74.80 0.15 74.65 95.32 30313.40 01:28:01 AM 125.37 0.00 125.37 0.00 32163.20 01:29:01 AM 49.47 0.00 49.47 0.00 6810.11 01:30:01 AM 77.12 0.30 76.82 48.78 6381.31 Average: 132.74 12.08 120.66 626.29 13381.95 01:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:23:01 AM 13283632 15149828 2857892 17.71 2688 2063676 761968 4.43 203620 2246160 127052 01:24:01 AM 13271912 15139936 2869612 17.78 2688 2064304 761968 4.43 203628 2247916 48 01:25:01 AM 12348376 14357664 3793148 23.50 2688 2196052 1713888 9.97 220188 3121356 78944 01:26:01 AM 10640104 13782920 5501420 34.08 2688 3316196 2020816 11.76 449148 4571700 850232 01:27:01 AM 8632152 12350684 7509372 46.52 2688 3878612 3339460 19.43 731748 6271520 520728 01:28:01 AM 9122512 13351688 7019012 43.48 2688 4383960 2174520 12.65 881856 5623820 86924 01:29:01 AM 7762348 12188560 8379176 51.91 2688 4564244 3281984 19.09 958536 6875280 86328 01:30:01 AM 10751208 15074648 5390316 33.39 2688 4448684 787692 4.58 1171420 3657044 47624 Average: 10726530 13924491 5414994 33.55 2688 3364466 1855287 10.79 602518 4326850 224735 01:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:23:01 AM eth0 130.77 101.90 1211.30 27.29 0.00 0.00 0.00 0.00 01:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 AM eth0 120.74 102.53 249.64 30.17 0.00 0.00 0.00 0.00 01:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 AM eth0 287.42 304.15 1257.77 85.03 0.00 0.00 0.00 0.00 01:26:01 AM lo 0.70 0.70 0.10 0.10 0.00 0.00 0.00 0.00 01:26:01 AM eth0 466.83 356.85 7922.89 38.60 0.00 0.00 0.00 0.00 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 103.60 86.25 1835.49 16.39 0.00 0.00 0.00 0.00 01:28:01 AM lo 2.85 2.85 0.56 0.56 0.00 0.00 0.00 0.00 01:28:01 AM eth0 30.21 30.61 115.58 8.65 0.00 0.00 0.00 0.00 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 33.92 33.32 88.77 10.65 0.00 0.00 0.00 0.00 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 33.29 28.97 38.89 13.21 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.08 0.08 0.00 0.00 0.00 0.00 Average: eth0 150.85 130.57 1590.04 28.75 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) 12/19/2025 _x86_64_ (4 CPU) 01:21:27 LINUX RESTART (4 CPU) 01:22:01 AM CPU %user %nice %system %iowait %steal %idle 01:23:01 AM all 16.72 0.71 10.79 1.23 0.08 70.46 01:23:01 AM 0 24.86 0.53 8.86 1.03 0.08 64.63 01:23:01 AM 1 11.50 1.00 13.83 1.69 0.08 71.89 01:23:01 AM 2 18.64 0.33 7.18 1.31 0.10 72.44 01:23:01 AM 3 11.86 0.99 13.30 0.89 0.07 72.90 01:24:01 AM all 0.50 0.00 0.41 0.24 0.06 98.79 01:24:01 AM 0 0.27 0.00 0.17 0.03 0.07 99.47 01:24:01 AM 1 0.40 0.00 0.15 0.17 0.07 99.21 01:24:01 AM 2 0.68 0.00 0.75 0.48 0.05 98.03 01:24:01 AM 3 0.65 0.00 0.55 0.28 0.05 98.46 01:25:01 AM all 12.40 0.00 1.36 0.41 0.08 85.75 01:25:01 AM 0 14.46 0.00 0.57 0.03 0.07 84.87 01:25:01 AM 1 11.56 0.00 1.64 0.03 0.08 86.69 01:25:01 AM 2 11.17 0.00 2.16 1.29 0.07 85.31 01:25:01 AM 3 12.43 0.00 1.06 0.30 0.10 86.12 01:26:01 AM all 42.54 0.00 2.77 1.37 0.09 53.23 01:26:01 AM 0 40.34 0.00 3.53 1.54 0.10 54.49 01:26:01 AM 1 43.60 0.00 2.96 0.84 0.08 52.52 01:26:01 AM 2 42.97 0.00 1.77 0.52 0.10 54.64 01:26:01 AM 3 43.24 0.00 2.83 2.60 0.07 51.27 01:27:01 AM all 64.56 0.00 2.80 0.46 0.09 32.09 01:27:01 AM 0 64.62 0.00 2.46 0.75 0.08 32.09 01:27:01 AM 1 59.70 0.00 2.43 0.74 0.10 37.04 01:27:01 AM 2 68.46 0.00 2.31 0.08 0.08 29.06 01:27:01 AM 3 65.44 0.00 4.02 0.27 0.10 30.17 01:28:01 AM all 49.36 0.00 2.55 0.84 0.09 47.16 01:28:01 AM 0 56.13 0.00 3.49 1.14 0.10 39.14 01:28:01 AM 1 39.78 0.00 1.89 0.97 0.10 57.26 01:28:01 AM 2 53.25 0.00 3.35 0.50 0.08 42.81 01:28:01 AM 3 48.30 0.00 1.46 0.75 0.08 49.41 01:29:01 AM all 53.72 0.00 2.96 0.25 0.10 42.97 01:29:01 AM 0 55.40 0.00 2.97 0.34 0.12 41.18 01:29:01 AM 1 58.82 0.00 4.62 0.34 0.12 36.10 01:29:01 AM 2 45.62 0.00 2.02 0.22 0.08 52.06 01:29:01 AM 3 55.00 0.00 2.25 0.12 0.07 42.56 01:30:01 AM all 33.65 0.00 2.31 0.58 0.07 63.39 01:30:01 AM 0 47.86 0.00 2.74 0.10 0.07 49.23 01:30:01 AM 1 33.50 0.00 1.87 0.48 0.07 64.08 01:30:01 AM 2 29.57 0.00 2.30 1.32 0.08 66.72 01:30:01 AM 3 23.64 0.00 2.34 0.40 0.07 73.55 Average: all 34.17 0.09 3.24 0.67 0.08 61.74 Average: 0 37.98 0.07 3.10 0.62 0.09 58.14 Average: 1 32.34 0.13 3.67 0.66 0.09 63.12 Average: 2 33.78 0.04 2.73 0.72 0.08 62.65 Average: 3 32.55 0.12 3.47 0.70 0.08 63.07