---> uname -a: Linux prd-centos8-builder-4c-4g-26235.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 773 12204 19 2784 14642 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:30:95:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.33/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe30:9595/64 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) 07/06/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 394.39 65.15 329.24 3708.56 13597.94 03:53:01 PM 202.85 3.67 199.18 1235.45 12136.89 03:54:01 PM 76.07 0.75 75.32 80.11 12898.77 Average: 224.48 23.20 201.28 1675.16 12878.02 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 12688744 14669572 3452788 21.39 2688 2177160 1204884 7.01 210804 2828764 204016 03:53:01 PM 10386708 12836028 5754824 35.65 2688 2637672 2978460 17.33 346972 4952704 316680 03:54:01 PM 12464876 14959088 3676656 22.78 2688 2681860 910880 5.30 686920 2544716 33356 Average: 11846776 14154896 4294756 26.61 2688 2498897 1698075 9.88 414899 3442061 184684 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 313.04 240.71 2857.43 39.03 0.00 0.00 0.00 0.00 03:53:01 PM lo 937.80 937.80 896.11 896.11 0.00 0.00 0.00 0.00 03:53:01 PM eth0 342.34 249.62 4804.43 33.49 0.00 0.00 0.00 0.00 03:54:01 PM lo 6.60 6.60 48.82 48.82 0.00 0.00 0.00 0.00 03:54:01 PM eth0 131.76 116.94 311.30 645.08 0.00 0.00 0.00 0.00 Average: lo 314.73 314.73 314.90 314.90 0.00 0.00 0.00 0.00 Average: eth0 262.39 202.43 2657.76 239.15 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) 07/06/2025 _x86_64_ (4 CPU) 15:50:22 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 28.62 0.43 7.28 2.04 0.09 61.54 03:52:01 PM 0 26.12 0.45 6.33 1.49 0.08 65.52 03:52:01 PM 1 33.37 0.28 6.60 1.50 0.10 58.15 03:52:01 PM 2 21.92 0.60 9.93 3.78 0.08 63.67 03:52:01 PM 3 33.07 0.37 6.27 1.39 0.10 58.81 03:53:01 PM all 70.67 0.00 2.41 0.65 0.10 26.16 03:53:01 PM 0 78.98 0.00 2.47 0.62 0.12 17.81 03:53:01 PM 1 63.66 0.00 1.62 0.18 0.10 34.44 03:53:01 PM 2 66.56 0.00 1.82 0.74 0.10 30.79 03:53:01 PM 3 73.51 0.00 3.71 1.07 0.10 21.61 03:54:01 PM all 39.69 0.00 2.18 0.61 0.10 57.42 03:54:01 PM 0 42.36 0.00 1.47 0.08 0.10 55.99 03:54:01 PM 1 46.83 0.00 2.09 0.82 0.12 50.14 03:54:01 PM 2 30.98 0.00 2.56 0.99 0.10 65.37 03:54:01 PM 3 38.57 0.00 2.59 0.57 0.08 58.18 Average: all 46.34 0.14 3.96 1.10 0.10 48.37 Average: 0 49.15 0.15 3.43 0.73 0.10 46.44 Average: 1 47.96 0.09 3.43 0.84 0.11 47.57 Average: 2 39.83 0.20 4.77 1.84 0.09 53.26 Average: 3 48.39 0.12 4.19 1.01 0.09 46.19