---> uname -a: Linux prd-centos8-builder-4c-4g-41909.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 9.2G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 742 12238 19 2782 14672 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:c7:61:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.38/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fec7:6195/64 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) 08/28/2025 _x86_64_ (4 CPU) 15:51:15 LINUX RESTART (4 CPU) 03:52:02 PM tps rtps wtps bread/s bwrtn/s 03:53:01 PM 259.13 77.21 181.92 3690.14 11120.11 03:54:01 PM 310.23 6.27 303.97 1365.51 13463.19 03:55:01 PM 132.68 0.55 132.13 79.99 9900.35 Average: 233.88 27.74 206.14 1700.94 11496.62 03:52:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 PM 12962292 14878032 3179240 19.70 2688 2113928 1085004 6.31 202748 2571548 183256 03:54:01 PM 11566856 13702820 4574676 28.34 2688 2328232 2116620 12.31 317968 3819780 43580 03:55:01 PM 12606728 15086148 3534804 21.90 2688 2667124 828204 4.82 511980 2576028 149652 Average: 12378625 14555667 3762907 23.31 2688 2369761 1343276 7.81 344232 2989119 125496 03:52:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 159.03 132.57 2073.10 27.17 0.00 0.00 0.00 0.00 03:54:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 PM eth0 224.16 195.15 2297.32 29.46 0.00 0.00 0.00 0.00 03:55:01 PM lo 905.23 905.23 904.94 904.94 0.00 0.00 0.00 0.00 03:55:01 PM eth0 239.99 170.59 3431.98 21.93 0.00 0.00 0.00 0.00 Average: lo 303.41 303.41 303.31 303.31 0.00 0.00 0.00 0.00 Average: eth0 208.00 166.29 2603.72 26.18 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) 08/28/2025 _x86_64_ (4 CPU) 15:51:15 LINUX RESTART (4 CPU) 03:52:02 PM CPU %user %nice %system %iowait %steal %idle 03:53:01 PM all 23.36 0.60 10.82 2.29 0.13 62.80 03:53:01 PM 0 18.02 0.49 8.26 1.41 0.14 71.68 03:53:01 PM 1 30.73 0.54 9.94 2.50 0.15 56.13 03:53:01 PM 2 24.49 0.78 13.41 2.89 0.12 58.30 03:53:01 PM 3 20.20 0.58 11.67 2.37 0.10 65.07 03:54:01 PM all 63.41 0.00 2.06 1.95 0.11 32.47 03:54:01 PM 0 61.37 0.00 1.64 0.72 0.12 36.16 03:54:01 PM 1 55.25 0.00 3.40 3.46 0.10 37.79 03:54:01 PM 2 67.74 0.00 2.04 3.00 0.10 27.13 03:54:01 PM 3 69.29 0.00 1.19 0.62 0.12 28.79 03:55:01 PM all 49.68 0.00 2.55 1.64 0.11 46.01 03:55:01 PM 0 59.37 0.00 3.29 3.19 0.10 34.04 03:55:01 PM 1 46.84 0.00 2.91 1.08 0.13 49.04 03:55:01 PM 2 51.06 0.00 1.83 1.38 0.10 45.63 03:55:01 PM 3 41.42 0.00 2.15 0.92 0.12 55.39 Average: all 45.60 0.20 5.11 1.96 0.12 47.01 Average: 0 46.40 0.16 4.38 1.77 0.12 47.17 Average: 1 44.34 0.18 5.40 2.35 0.13 47.61 Average: 2 47.85 0.26 5.73 2.42 0.11 43.64 Average: 3 43.81 0.19 4.96 1.30 0.11 49.63