---> uname -a: Linux prd-centos8-builder-4c-4g-3272.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 766 12204 19 2791 14648 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:3c:d1:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.251/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe3c:d13d/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) 10/17/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 281.51 88.72 192.79 3801.93 11939.62 03:53:01 PM 282.59 6.27 276.32 1365.51 13097.73 03:54:01 PM 124.16 0.93 123.23 98.92 9281.04 Average: 229.42 31.98 197.45 1755.57 11439.49 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12844244 14773864 3297280 20.43 2688 2127504 1120076 6.52 203584 2684756 164404 03:53:01 PM 11790648 13937012 4350876 26.95 2688 2338496 1821496 10.60 318280 3597068 21416 03:54:01 PM 12513240 15003328 3628284 22.48 2688 2677840 880640 5.12 512452 2666856 150172 Average: 12382711 14571401 3758813 23.29 2688 2381280 1274071 7.41 344772 2982893 111997 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 183.91 141.15 2115.02 28.80 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 215.21 184.72 2255.03 28.19 0.00 0.00 0.00 0.00 03:54:01 PM lo 960.14 960.14 962.78 962.78 0.00 0.00 0.00 0.00 03:54:01 PM eth0 231.79 178.64 3433.86 159.97 0.00 0.00 0.00 0.00 Average: lo 320.03 320.03 320.91 320.91 0.00 0.00 0.00 0.00 Average: eth0 210.30 168.17 2601.28 72.32 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) 10/17/2025 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 25.74 0.78 13.86 1.87 0.12 57.62 03:52:01 PM 0 27.07 1.04 15.52 2.06 0.12 54.20 03:52:01 PM 1 17.00 0.95 15.75 1.91 0.10 64.28 03:52:01 PM 2 37.29 0.64 12.87 2.18 0.12 46.91 03:52:01 PM 3 21.59 0.50 11.30 1.36 0.13 65.11 03:53:01 PM all 62.72 0.00 1.96 1.50 0.12 33.70 03:53:01 PM 0 63.94 0.00 1.62 1.40 0.13 32.90 03:53:01 PM 1 59.67 0.00 3.18 2.88 0.12 34.15 03:53:01 PM 2 65.31 0.00 1.44 1.02 0.10 32.14 03:53:01 PM 3 61.95 0.00 1.60 0.70 0.12 35.62 03:54:01 PM all 49.87 0.00 2.54 0.43 0.11 47.05 03:54:01 PM 0 51.68 0.00 3.47 0.50 0.12 44.23 03:54:01 PM 1 47.07 0.00 1.91 0.33 0.12 50.57 03:54:01 PM 2 56.90 0.00 2.53 0.75 0.10 39.72 03:54:01 PM 3 43.84 0.00 2.24 0.12 0.12 53.68 Average: all 46.12 0.26 6.12 1.27 0.12 46.12 Average: 0 47.56 0.35 6.87 1.32 0.12 43.77 Average: 1 41.24 0.32 6.95 1.71 0.11 49.67 Average: 2 53.17 0.21 5.61 1.32 0.11 39.59 Average: 3 42.48 0.17 5.04 0.73 0.12 51.46