---> uname -a: Linux prd-centos8-builder-4c-4g-1148.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 934 11376 19 3450 14477 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:13:35:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.109/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86089sec preferred_lft 86089sec inet6 fe80::f816:3eff:fe13:35e2/64 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) 07/20/2026 _x86_64_ (4 CPU) 06:41:28 LINUX RESTART (4 CPU) 06:42:01 AM tps rtps wtps bread/s bwrtn/s 06:43:01 AM 214.16 98.77 115.39 951.55 9098.23 06:44:01 AM 303.05 14.16 288.89 2564.48 23237.04 06:45:01 AM 1071.92 0.05 1071.87 14.13 34539.61 06:46:01 AM 22.08 2.00 20.08 531.02 1489.39 Average: 402.77 28.75 374.03 1015.34 17090.34 06:42:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:43:01 AM 13232024 15092540 2907416 18.01 2688 2058596 842784 4.90 188484 2321280 243508 06:44:01 AM 11129980 14128276 5009460 31.04 2688 3043068 1937772 11.27 222192 4067972 710580 06:45:01 AM 10601820 13708940 5537620 34.31 2688 3141628 2230780 12.98 264916 4459492 12 06:46:01 AM 11654676 14814104 4484764 27.79 2688 3191864 894620 5.20 463916 3217084 41800 Average: 11654625 14435965 4484815 27.79 2688 2858789 1476489 8.59 284877 3516457 248975 06:42:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 AM eth0 175.52 115.28 1313.92 12.98 0.00 0.00 0.00 0.00 06:44:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:44:01 AM eth0 1282.37 1007.05 3057.30 297.60 0.00 0.00 0.00 0.00 06:45:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 AM eth0 984.27 794.47 477.20 247.17 0.00 0.00 0.00 0.00 06:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:01 AM eth0 32.09 30.39 270.20 9.84 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 618.55 486.78 1279.69 141.89 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) 07/20/2026 _x86_64_ (4 CPU) 06:41:28 LINUX RESTART (4 CPU) 06:42:01 AM CPU %user %nice %system %iowait %steal %idle 06:43:01 AM all 18.73 1.00 21.09 1.80 0.16 57.22 06:43:01 AM 0 13.29 0.65 15.03 1.11 0.17 69.75 06:43:01 AM 1 20.66 1.12 23.33 1.93 0.15 52.81 06:43:01 AM 2 23.34 1.02 22.17 1.76 0.15 51.55 06:43:01 AM 3 17.62 1.19 23.84 2.40 0.17 54.78 06:44:01 AM all 30.87 0.00 9.56 0.95 0.16 58.47 06:44:01 AM 0 71.00 0.00 6.99 0.22 0.15 21.64 06:44:01 AM 1 15.14 0.00 10.13 1.29 0.15 73.29 06:44:01 AM 2 17.33 0.00 11.48 1.76 0.15 69.28 06:44:01 AM 3 19.67 0.00 9.65 0.52 0.17 69.99 06:45:01 AM all 29.81 0.00 5.62 3.18 0.12 61.27 06:45:01 AM 0 10.50 0.00 5.61 2.68 0.12 81.10 06:45:01 AM 1 26.06 0.00 5.39 5.12 0.10 63.32 06:45:01 AM 2 68.30 0.00 4.81 0.39 0.15 26.36 06:45:01 AM 3 14.09 0.00 6.68 4.55 0.10 74.58 06:46:01 AM all 30.34 0.00 1.58 0.13 0.12 67.84 06:46:01 AM 0 18.81 0.00 1.50 0.07 0.08 79.54 06:46:01 AM 1 12.49 0.00 1.22 0.08 0.13 86.08 06:46:01 AM 2 11.17 0.00 1.42 0.30 0.10 87.01 06:46:01 AM 3 78.79 0.00 2.15 0.05 0.15 18.85 Average: all 27.43 0.25 9.46 1.51 0.14 61.21 Average: 0 28.41 0.16 7.28 1.01 0.13 63.00 Average: 1 18.58 0.28 10.02 2.10 0.13 68.88 Average: 2 30.07 0.26 9.96 1.05 0.14 58.53 Average: 3 32.66 0.30 10.59 1.88 0.15 54.44