---> uname -a: Linux prd-centos8-builder-4c-4g-47346.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 747 12227 19 2788 14667 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:62:63:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe62:63c0/64 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) 09/19/2025 _x86_64_ (4 CPU) 15:51:06 LINUX RESTART (4 CPU) 03:52:01 PM tps rtps wtps bread/s bwrtn/s 03:53:01 PM 278.94 64.13 214.81 3522.24 12116.13 03:54:01 PM 260.73 5.98 254.75 1359.28 11718.66 03:55:01 PM 95.08 0.95 94.13 103.05 9586.65 Average: 211.60 23.69 187.90 1661.71 11140.62 03:52:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 PM 12747492 14697672 3394040 21.03 2688 2147216 1148220 6.68 207092 2775924 177920 03:54:01 PM 10764588 12953732 5376944 33.31 2688 2379792 2861696 16.65 320408 4612148 83828 03:55:01 PM 12550628 15046108 3590904 22.25 2688 2683216 864640 5.03 683956 2461672 156212 Average: 12020903 14232504 4120629 25.53 2688 2403408 1624852 9.45 403819 3283248 139320 03:52:01 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 212.19 171.96 2394.91 31.50 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 233.02 203.18 2580.09 30.68 0.00 0.00 0.00 0.00 03:55:01 PM lo 771.25 771.25 781.85 781.85 0.00 0.00 0.00 0.00 03:55:01 PM eth0 287.84 205.77 2950.29 650.60 0.00 0.00 0.00 0.00 Average: lo 257.04 257.04 260.57 260.57 0.00 0.00 0.00 0.00 Average: eth0 244.35 193.64 2641.73 237.56 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) 09/19/2025 _x86_64_ (4 CPU) 15:51:06 LINUX RESTART (4 CPU) 03:52:01 PM CPU %user %nice %system %iowait %steal %idle 03:53:01 PM all 24.68 0.49 8.99 4.73 0.11 61.00 03:53:01 PM 0 34.50 0.10 4.37 3.40 0.12 57.51 03:53:01 PM 1 19.79 0.80 12.71 6.20 0.12 60.37 03:53:01 PM 2 23.25 0.40 7.84 3.43 0.10 64.98 03:53:01 PM 3 21.14 0.67 11.06 5.87 0.10 61.15 03:54:01 PM all 63.70 0.00 2.15 2.52 0.15 31.48 03:54:01 PM 0 70.68 0.00 2.04 3.21 0.13 23.93 03:54:01 PM 1 51.67 0.00 2.25 0.94 0.15 45.00 03:54:01 PM 2 60.52 0.00 2.83 1.63 0.17 34.85 03:54:01 PM 3 71.88 0.00 1.47 4.30 0.17 22.18 03:55:01 PM all 50.98 0.00 2.85 0.75 0.11 45.31 03:55:01 PM 0 55.40 0.00 3.03 0.62 0.12 40.83 03:55:01 PM 1 48.22 0.00 3.29 1.09 0.12 47.28 03:55:01 PM 2 55.27 0.00 2.53 0.79 0.10 41.31 03:55:01 PM 3 45.00 0.00 2.54 0.52 0.10 51.83 Average: all 46.44 0.16 4.66 2.67 0.12 45.94 Average: 0 53.51 0.03 3.15 2.41 0.12 40.77 Average: 1 39.89 0.27 6.08 2.74 0.13 50.88 Average: 2 46.33 0.13 4.40 1.95 0.12 47.06 Average: 3 46.02 0.22 5.02 3.56 0.12 45.05