---> uname -a: Linux prd-centos8-builder-4c-4g-5495.novalocal 4.18.0-536.el8.x86_64 #1 SMP Thu Jan 18 15:15:29 UTC 2024 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 898 11423 19 3439 14513 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:77:ef:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe77:ef3b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-536.el8.x86_64 (centos-stream-8-builder-bbeabe4a-2fd0-4604-88f7-f8ef5baaa3c1.nov) 07/06/2026 _x86_64_ (4 CPU) 06:25:25 LINUX RESTART (4 CPU) 06:26:03 AM tps rtps wtps bread/s bwrtn/s 06:27:01 AM 275.91 104.57 171.34 3391.49 12118.39 06:28:01 AM 701.65 0.15 701.50 23.99 34095.55 06:29:01 AM 586.20 0.02 586.19 13.60 20063.58 06:30:01 AM 38.62 2.35 36.27 577.41 2193.89 Average: 401.64 26.12 375.52 981.65 17159.64 06:26:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:27:01 AM 12750148 14782076 3389300 21.00 2688 2228024 1394960 8.12 214532 2760656 274880 06:28:01 AM 10845120 13930508 5294328 32.80 2688 3122976 2192156 12.75 255992 4272872 485468 06:29:01 AM 10395100 13491100 5744348 35.59 2688 3130216 2468916 14.36 263696 4667284 12 06:30:01 AM 11687348 14845640 4452100 27.59 2688 3188736 880808 5.12 478296 3171896 58636 Average: 11419429 14262331 4720019 29.25 2688 2917488 1734210 10.09 303129 3718177 204749 06:26:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:27:01 AM eth0 162.16 121.13 2223.00 22.21 0.00 0.00 0.00 0.00 06:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:28:01 AM eth0 2239.67 1732.26 2423.88 506.85 0.00 0.00 0.00 0.00 06:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:29:01 AM eth0 315.23 225.86 126.52 67.68 0.00 0.00 0.00 0.00 06:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 AM eth0 47.30 40.04 282.27 14.29 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 695.51 533.24 1255.90 153.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-536.el8.x86_64 (centos-stream-8-builder-bbeabe4a-2fd0-4604-88f7-f8ef5baaa3c1.nov) 07/06/2026 _x86_64_ (4 CPU) 06:25:25 LINUX RESTART (4 CPU) 06:26:03 AM CPU %user %nice %system %iowait %steal %idle 06:27:01 AM all 22.74 0.84 20.63 1.40 0.10 54.29 06:27:01 AM 0 19.58 1.09 22.77 1.63 0.09 54.85 06:27:01 AM 1 20.83 0.81 22.25 1.71 0.10 54.29 06:27:01 AM 2 22.73 0.80 19.26 1.51 0.09 55.62 06:27:01 AM 3 27.81 0.67 18.25 0.74 0.10 52.41 06:28:01 AM all 27.53 0.00 11.38 1.83 0.11 59.16 06:28:01 AM 0 29.11 0.00 10.78 1.39 0.12 58.61 06:28:01 AM 1 47.38 0.00 10.10 0.86 0.10 41.56 06:28:01 AM 2 24.26 0.00 13.63 2.81 0.12 59.18 06:28:01 AM 3 9.28 0.00 11.01 2.24 0.10 77.36 06:29:01 AM all 31.54 0.00 2.40 1.78 0.09 64.19 06:29:01 AM 0 19.48 0.00 2.51 1.59 0.08 76.33 06:29:01 AM 1 11.20 0.00 2.43 2.05 0.07 84.25 06:29:01 AM 2 37.39 0.00 2.07 0.89 0.08 59.56 06:29:01 AM 3 58.06 0.00 2.58 2.59 0.12 36.65 06:30:01 AM all 27.57 0.00 2.16 0.14 0.08 70.06 06:30:01 AM 0 9.27 0.00 1.77 0.18 0.07 88.71 06:30:01 AM 1 21.19 0.00 1.72 0.13 0.07 76.89 06:30:01 AM 2 13.50 0.00 1.77 0.02 0.07 84.65 06:30:01 AM 3 66.27 0.00 3.39 0.22 0.10 30.03 Average: all 27.38 0.21 9.04 1.28 0.09 62.00 Average: 0 19.33 0.27 9.34 1.19 0.09 69.79 Average: 1 25.13 0.20 9.01 1.18 0.08 64.39 Average: 2 24.48 0.19 9.08 1.30 0.09 64.86 Average: 3 40.59 0.17 8.72 1.45 0.11 48.96