---> uname -a: Linux prd-centos8-builder-4c-4g-11126.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: 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): 0-3 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 771 10034 19 4957 14642 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:3e:aa:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.19/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85895sec preferred_lft 85895sec inet6 fe80::f816:3eff:fe3e:aa84/64 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) 11/08/2025 _x86_64_ (4 CPU) 03:22:23 LINUX RESTART (4 CPU) 03:23:01 AM tps rtps wtps bread/s bwrtn/s 03:24:01 AM 197.78 44.41 153.37 2011.93 12633.76 03:25:01 AM 415.21 13.54 401.67 1646.24 8057.11 03:26:02 AM 91.92 5.55 86.37 1022.99 18951.37 03:27:01 AM 46.49 0.00 46.49 0.00 22428.21 03:28:01 AM 137.16 0.00 137.16 0.00 33348.83 03:29:01 AM 49.47 0.00 49.47 0.00 8085.22 03:30:01 AM 91.95 0.00 91.95 0.00 10644.01 Average: 147.39 9.09 138.30 670.33 16292.97 03:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:24:01 AM 13285760 15153320 2855772 17.69 2688 2063716 781404 4.55 202976 2239068 96452 03:25:01 AM 12002976 14257224 4138556 25.64 2688 2433548 1587772 9.24 239012 3432788 288648 03:26:02 AM 10437388 13603096 5704144 35.34 2688 3337732 2143972 12.47 459348 4762116 613192 03:27:01 AM 8300400 12043708 7841132 48.58 2688 3901436 3931748 22.87 724372 6608832 530368 03:28:01 AM 8591636 12937864 7549896 46.77 2688 4497732 2720624 15.83 885692 6144960 153272 03:29:01 AM 7978536 12596448 8162996 50.57 2688 4751816 3026452 17.61 966476 6649192 182936 03:30:01 AM 7630216 12534272 8511316 52.73 2688 5008684 3043856 17.71 1041084 6863928 162008 Average: 9746702 13303705 6394830 39.62 2688 3713523 2462261 14.32 645566 5242983 289554 03:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 AM eth0 236.81 213.80 1410.89 58.56 0.00 0.00 0.00 0.00 03:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 AM eth0 557.01 503.55 5055.63 107.88 0.00 0.00 0.00 0.00 03:26:02 AM lo 0.70 0.70 0.10 0.10 0.00 0.00 0.00 0.00 03:26:02 AM eth0 368.13 247.67 4396.33 24.20 0.00 0.00 0.00 0.00 03:27:01 AM lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 03:27:01 AM eth0 70.40 51.91 1462.39 13.52 0.00 0.00 0.00 0.00 03:28:01 AM lo 2.85 2.85 0.56 0.56 0.00 0.00 0.00 0.00 03:28:01 AM eth0 52.95 51.33 448.98 11.45 0.00 0.00 0.00 0.00 03:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 AM eth0 36.12 33.84 115.59 11.77 0.00 0.00 0.00 0.00 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 19.18 16.08 4.80 9.05 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.10 0.10 0.00 0.00 0.00 0.00 Average: eth0 191.82 160.01 1843.13 33.83 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) 11/08/2025 _x86_64_ (4 CPU) 03:22:23 LINUX RESTART (4 CPU) 03:23:01 AM CPU %user %nice %system %iowait %steal %idle 03:24:01 AM all 15.17 0.36 6.52 1.39 0.10 76.45 03:24:01 AM 0 6.48 0.42 6.60 1.55 0.10 84.85 03:24:01 AM 1 27.50 0.30 6.77 1.14 0.12 64.17 03:24:01 AM 2 16.77 0.28 6.44 0.94 0.08 75.48 03:24:01 AM 3 9.95 0.45 6.26 1.94 0.08 81.31 03:25:01 AM all 27.85 0.00 2.59 1.55 0.11 67.90 03:25:01 AM 0 30.44 0.00 2.36 1.79 0.10 65.31 03:25:01 AM 1 26.21 0.00 3.07 1.98 0.12 68.63 03:25:01 AM 2 31.42 0.00 2.62 0.91 0.12 64.94 03:25:01 AM 3 23.32 0.00 2.30 1.54 0.12 72.72 03:26:02 AM all 37.65 0.00 2.18 1.58 0.08 58.51 03:26:02 AM 0 37.17 0.00 1.10 1.30 0.08 60.34 03:26:02 AM 1 31.74 0.00 2.11 2.35 0.08 63.72 03:26:02 AM 2 40.44 0.00 3.81 1.59 0.10 54.07 03:26:02 AM 3 41.27 0.00 1.69 1.07 0.07 55.90 03:27:01 AM all 69.20 0.00 2.76 0.52 0.12 27.40 03:27:01 AM 0 73.50 0.00 4.71 0.10 0.12 21.56 03:27:01 AM 1 76.96 0.00 2.51 0.02 0.12 20.39 03:27:01 AM 2 59.13 0.00 1.61 0.14 0.12 39.00 03:27:01 AM 3 67.10 0.00 2.19 1.84 0.12 28.75 03:28:01 AM all 45.92 0.00 2.65 1.59 0.17 49.66 03:28:01 AM 0 51.77 0.00 3.45 1.00 0.18 43.60 03:28:01 AM 1 44.22 0.00 3.30 1.59 0.18 50.71 03:28:01 AM 2 42.88 0.00 1.41 1.44 0.17 54.11 03:28:01 AM 3 44.83 0.00 2.46 2.34 0.15 50.22 03:29:01 AM all 53.92 0.00 2.95 0.44 0.10 42.58 03:29:01 AM 0 47.28 0.00 1.98 0.55 0.10 50.09 03:29:01 AM 1 62.48 0.00 4.45 0.60 0.10 32.37 03:29:01 AM 2 52.54 0.00 3.29 0.55 0.10 43.52 03:29:01 AM 3 53.36 0.00 2.08 0.07 0.12 44.38 03:30:01 AM all 54.59 0.00 2.79 0.64 0.12 41.85 03:30:01 AM 0 47.33 0.00 3.47 1.14 0.13 47.93 03:30:01 AM 1 56.34 0.00 1.24 0.28 0.10 42.03 03:30:01 AM 2 68.19 0.00 4.69 0.28 0.13 26.70 03:30:01 AM 3 46.53 0.00 1.77 0.87 0.10 50.73 Average: all 43.41 0.05 3.21 1.11 0.12 52.11 Average: 0 41.91 0.06 3.38 1.07 0.12 53.47 Average: 1 46.43 0.04 3.35 1.14 0.12 48.91 Average: 2 44.43 0.04 3.42 0.84 0.12 51.16 Average: 3 40.85 0.06 2.68 1.38 0.11 54.91