---> uname -a: Linux prd-centos8-builder-4c-4g-34871.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 9.7G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 867 11613 19 3282 14546 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:e0:33:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.120/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86089sec preferred_lft 86089sec inet6 fe80::f816:3eff:fee0:330d/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) 08/12/2025 _x86_64_ (4 CPU) 21:54:08 LINUX RESTART (4 CPU) 09:55:01 PM tps rtps wtps bread/s bwrtn/s 09:56:01 PM 233.21 52.17 181.04 2548.08 11287.57 09:57:01 PM 701.83 0.03 701.80 0.53 31317.31 09:58:01 PM 560.41 0.02 560.40 13.60 17696.53 09:59:01 PM 45.50 2.65 42.85 681.24 2487.70 Average: 385.23 13.72 371.51 810.90 15696.63 09:55:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:56:01 PM 12712184 14685884 3429348 21.25 2688 2165776 1516812 8.82 214088 2789476 245636 09:57:01 PM 11135080 14059800 5006452 31.02 2688 2967160 1959200 11.40 216572 4034732 428384 09:58:01 PM 10651844 13587320 5489688 34.01 2688 2974400 2350576 13.67 259324 4425620 16 09:59:01 PM 11922928 14921408 4218604 26.14 2688 3034420 781564 4.55 454216 2970484 57920 Average: 11605509 14313603 4536023 28.10 2688 2785439 1652038 9.61 286050 3555078 182989 09:55:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:56:01 PM eth0 239.19 166.61 1989.22 28.14 0.00 0.00 0.00 0.00 09:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 PM eth0 1560.51 1250.01 1796.73 360.19 0.00 0.00 0.00 0.00 09:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 PM eth0 817.43 627.49 233.42 181.20 0.00 0.00 0.00 0.00 09:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 PM eth0 44.42 37.14 278.86 14.69 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 665.35 520.28 1074.53 146.05 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) 08/12/2025 _x86_64_ (4 CPU) 21:54:08 LINUX RESTART (4 CPU) 09:55:01 PM CPU %user %nice %system %iowait %steal %idle 09:56:01 PM all 25.25 0.40 7.16 1.86 0.10 65.24 09:56:01 PM 0 24.88 0.44 7.00 2.13 0.10 65.45 09:56:01 PM 1 14.01 0.42 7.81 2.43 0.10 75.24 09:56:01 PM 2 20.36 0.41 6.38 1.69 0.10 71.07 09:56:01 PM 3 41.65 0.35 7.44 1.19 0.10 49.27 09:57:01 PM all 26.21 0.00 9.13 3.79 0.14 60.72 09:57:01 PM 0 6.87 0.00 10.05 6.94 0.14 76.01 09:57:01 PM 1 25.27 0.00 7.88 0.76 0.14 65.96 09:57:01 PM 2 12.29 0.00 10.27 3.50 0.13 73.81 09:57:01 PM 3 61.08 0.00 8.34 3.95 0.18 26.45 09:58:01 PM all 32.19 0.00 2.09 2.23 0.11 63.38 09:58:01 PM 0 18.88 0.00 2.58 2.97 0.12 75.45 09:58:01 PM 1 19.11 0.00 1.64 1.81 0.12 77.33 09:58:01 PM 2 12.44 0.00 2.10 3.19 0.10 82.16 09:58:01 PM 3 78.10 0.00 2.05 0.95 0.10 18.79 09:59:01 PM all 28.84 0.00 1.42 0.23 0.09 69.42 09:59:01 PM 0 36.03 0.00 1.35 0.02 0.08 62.52 09:59:01 PM 1 17.49 0.00 1.59 0.42 0.08 80.42 09:59:01 PM 2 15.10 0.00 1.39 0.13 0.08 83.30 09:59:01 PM 3 46.72 0.00 1.35 0.33 0.12 51.48 Average: all 28.14 0.10 4.91 2.01 0.11 64.73 Average: 0 21.74 0.11 5.22 2.99 0.11 69.82 Average: 1 18.93 0.11 4.71 1.36 0.11 74.80 Average: 2 15.08 0.10 4.95 2.11 0.10 77.65 Average: 3 56.83 0.09 4.74 1.57 0.12 36.64