---> uname -a: Linux prd-centos8-builder-4c-4g-1850.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 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 739 12231 19 2791 14675 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:c0:38:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.65/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fec0:385b/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) 10/10/2025 _x86_64_ (4 CPU) 15:50:26 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 252.80 109.55 143.25 4921.04 7687.00 03:53:01 PM 309.85 5.76 304.08 1302.50 16123.66 03:54:01 PM 128.85 0.52 128.33 36.13 10412.88 03:55:01 PM 53.56 0.68 52.87 67.72 5719.95 Average: 186.27 29.13 157.14 1581.98 9986.03 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13143260 15011340 2998272 18.57 2688 2068080 1177312 6.85 195948 2410744 231212 03:53:01 PM 11481172 13610680 4660360 28.87 2688 2322488 2232204 12.99 292748 3933024 49800 03:54:01 PM 8796364 11465020 7345168 45.50 2688 2855532 4355604 25.34 488480 6393036 197992 03:55:01 PM 12501380 15013232 3640152 22.55 2688 2698948 922320 5.37 690212 2502156 18808 Average: 11480544 13775068 4660988 28.88 2688 2486262 2171860 12.63 416847 3809740 124453 03:51:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:52:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 PM eth0 92.25 65.29 1301.69 18.13 0.00 0.00 0.00 0.00 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 289.44 245.47 3195.55 36.16 0.00 0.00 0.00 0.00 03:54:01 PM lo 1161.91 1161.91 1152.07 1152.07 0.00 0.00 0.00 0.00 03:54:01 PM eth0 210.00 140.53 3369.55 17.90 0.00 0.00 0.00 0.00 03:55:01 PM lo 0.42 0.42 1.31 1.31 0.00 0.00 0.00 0.00 03:55:01 PM eth0 120.76 112.91 310.47 645.51 0.00 0.00 0.00 0.00 Average: lo 290.56 290.56 288.32 288.32 0.00 0.00 0.00 0.00 Average: eth0 178.11 141.05 2044.33 179.41 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) 10/10/2025 _x86_64_ (4 CPU) 15:50:26 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 21.75 0.88 11.77 2.96 0.12 62.53 03:52:01 PM 0 11.16 0.78 11.54 1.80 0.12 74.59 03:52:01 PM 1 36.58 0.77 11.54 3.86 0.17 47.08 03:52:01 PM 2 21.22 0.99 11.79 1.89 0.12 63.99 03:52:01 PM 3 18.06 0.97 12.19 4.28 0.08 64.42 03:53:01 PM all 60.83 0.00 2.42 3.83 0.16 32.75 03:53:01 PM 0 58.06 0.00 2.61 3.45 0.17 35.71 03:53:01 PM 1 62.64 0.00 2.01 4.34 0.15 30.87 03:53:01 PM 2 59.79 0.00 1.70 4.78 0.15 33.58 03:53:01 PM 3 62.85 0.00 3.35 2.75 0.18 30.86 03:54:01 PM all 43.00 0.00 2.13 1.57 0.12 53.17 03:54:01 PM 0 44.73 0.00 1.19 1.09 0.13 52.86 03:54:01 PM 1 42.84 0.00 1.57 2.65 0.13 52.80 03:54:01 PM 2 40.23 0.00 2.75 1.70 0.10 55.22 03:54:01 PM 3 44.19 0.00 3.04 0.84 0.12 51.82 03:55:01 PM all 31.59 0.00 2.18 0.55 0.10 65.58 03:55:01 PM 0 30.33 0.00 2.46 1.20 0.12 65.89 03:55:01 PM 1 27.42 0.00 1.81 0.59 0.10 70.09 03:55:01 PM 2 38.77 0.00 2.51 0.32 0.12 58.29 03:55:01 PM 3 29.83 0.00 1.96 0.08 0.08 68.05 Average: all 39.29 0.22 4.63 2.23 0.13 53.51 Average: 0 36.05 0.20 4.46 1.89 0.13 57.28 Average: 1 42.37 0.19 4.23 2.86 0.14 50.21 Average: 2 40.02 0.25 4.69 2.17 0.12 52.76 Average: 3 38.72 0.24 5.13 1.99 0.12 53.80