---> uname -a: Linux prd-centos8-builder-4c-4g-10205.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: 2799.998 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): 0-3 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 912 11236 19 3613 14501 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:f3:c3:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86079sec preferred_lft 86079sec inet6 fe80::f816:3eff:fef3:c322/64 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) 05/13/2026 _x86_64_ (4 CPU) 08:28:51 LINUX RESTART (4 CPU) 08:29:01 AM tps rtps wtps bread/s bwrtn/s 08:30:01 AM 397.75 211.56 186.19 9737.19 43527.07 08:31:01 AM 202.70 13.83 188.87 2385.07 15652.25 08:32:01 AM 1135.23 0.05 1135.18 14.13 49696.53 08:33:01 AM 76.14 0.00 76.14 0.00 2129.71 08:34:01 AM 36.51 2.65 33.86 674.29 1942.44 Average: 369.65 45.62 324.03 2562.28 22589.39 08:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 AM 13481940 15181996 2659592 16.48 2688 1905264 788408 4.59 183532 2106400 183640 08:31:01 AM 11455628 13896988 4685904 29.03 2688 2593824 2246300 13.07 215032 3947872 449808 08:32:01 AM 10952616 14221892 5188916 32.15 2688 3301532 1758224 10.23 258772 4127508 22064 08:33:01 AM 10118804 13390576 6022728 37.31 2688 3301536 2553248 14.85 259940 4941460 12 08:34:01 AM 11486536 14822644 4654996 28.84 2688 3364208 894232 5.20 465088 3383776 52564 Average: 11499105 14302819 4642427 28.76 2688 2893273 1648082 9.59 276473 3701403 141618 08:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM eth0 285.12 171.23 1769.16 66.91 0.00 0.00 0.00 0.00 08:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM eth0 985.60 746.22 4701.16 205.68 0.00 0.00 0.00 0.00 08:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 AM eth0 1847.53 1522.96 3576.89 407.39 0.00 0.00 0.00 0.00 08:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 AM eth0 0.80 0.17 0.10 0.33 0.00 0.00 0.00 0.00 08:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 AM eth0 49.16 43.71 288.95 45.60 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 633.62 496.84 2067.26 145.18 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) 05/13/2026 _x86_64_ (4 CPU) 08:28:51 LINUX RESTART (4 CPU) 08:29:01 AM CPU %user %nice %system %iowait %steal %idle 08:30:01 AM all 25.12 1.76 19.10 6.47 0.16 47.39 08:30:01 AM 0 18.53 1.68 19.32 6.65 0.17 53.64 08:30:01 AM 1 24.88 1.57 19.76 9.13 0.17 44.50 08:30:01 AM 2 29.19 2.50 22.04 7.17 0.15 38.95 08:30:01 AM 3 27.84 1.30 15.26 2.93 0.17 52.51 08:31:01 AM all 28.10 0.00 4.16 1.51 0.13 66.09 08:31:01 AM 0 25.04 0.00 3.99 0.77 0.13 70.07 08:31:01 AM 1 56.84 0.00 3.82 0.92 0.12 38.30 08:31:01 AM 2 17.96 0.00 4.17 0.86 0.13 76.88 08:31:01 AM 3 12.52 0.00 4.67 3.51 0.13 79.16 08:32:01 AM all 26.99 0.00 8.73 4.97 0.15 59.16 08:32:01 AM 0 28.61 0.00 9.03 4.51 0.15 57.70 08:32:01 AM 1 37.49 0.00 7.13 2.92 0.14 52.32 08:32:01 AM 2 34.68 0.00 9.13 4.60 0.17 51.43 08:32:01 AM 3 7.08 0.00 9.65 7.85 0.15 75.27 08:33:01 AM all 32.32 0.00 0.74 0.24 0.11 66.59 08:33:01 AM 0 96.34 0.00 1.12 0.00 0.13 2.41 08:33:01 AM 1 11.18 0.00 0.60 0.02 0.12 88.09 08:33:01 AM 2 11.30 0.00 0.62 0.84 0.10 87.14 08:33:01 AM 3 10.47 0.00 0.60 0.12 0.10 88.71 08:34:01 AM all 25.75 0.00 1.47 0.23 0.11 72.45 08:34:01 AM 0 32.80 0.00 1.37 0.02 0.12 65.70 08:34:01 AM 1 28.50 0.00 1.97 0.22 0.10 69.22 08:34:01 AM 2 10.71 0.00 1.22 0.38 0.10 87.58 08:34:01 AM 3 30.98 0.00 1.32 0.28 0.12 67.30 Average: all 27.66 0.35 6.82 2.67 0.13 62.36 Average: 0 40.32 0.34 6.94 2.38 0.14 49.88 Average: 1 31.76 0.31 6.64 2.63 0.13 58.54 Average: 2 20.73 0.50 7.43 2.76 0.13 68.45 Average: 3 17.81 0.26 6.28 2.92 0.13 72.60