---> uname -a: Linux prd-centos8-builder-4c-4g-28242.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 756 12220 19 2785 14658 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:cc:f8:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.118/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fecc:f811/64 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) 07/15/2025 _x86_64_ (4 CPU) 15:50:52 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 536.12 246.07 290.05 12401.77 44026.99 03:53:01 PM 414.81 19.39 395.42 4302.86 15868.32 03:54:01 PM 143.64 0.95 142.69 158.56 13046.90 03:55:01 PM 51.68 0.68 51.00 67.71 5920.18 Average: 286.56 66.76 219.80 4232.39 19714.72 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13476044 15155784 2665488 16.51 2688 1885048 840324 4.89 181580 2112780 177296 03:53:01 PM 11325260 13439068 4816272 29.84 2688 2307448 2555136 14.86 275848 4109084 120916 03:54:01 PM 10790528 13145380 5351004 33.15 2688 2542528 2670608 15.54 349552 4548476 6092 03:55:01 PM 12501156 14997664 3640376 22.55 2688 2683736 908520 5.29 687884 2506112 20736 Average: 12023247 14184474 4118285 25.51 2688 2354690 1743647 10.14 373716 3319113 81260 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 468.11 236.97 1693.51 72.23 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 345.17 273.08 3526.94 47.22 0.00 0.00 0.00 0.00 03:54:01 PM lo 1875.57 1875.57 1836.90 1836.90 0.00 0.00 0.00 0.00 03:54:01 PM eth0 206.55 132.83 3421.54 18.62 0.00 0.00 0.00 0.00 03:55:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 PM eth0 148.40 119.78 265.66 647.58 0.00 0.00 0.00 0.00 Average: lo 468.97 468.97 459.30 459.30 0.00 0.00 0.00 0.00 Average: eth0 292.05 190.67 2227.12 196.39 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) 07/15/2025 _x86_64_ (4 CPU) 15:50:52 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 27.71 1.85 20.17 3.60 0.10 46.57 03:52:01 PM 0 31.85 1.51 19.67 2.88 0.12 43.97 03:52:01 PM 1 28.80 2.30 19.09 4.37 0.10 45.34 03:52:01 PM 2 25.71 1.65 18.07 3.28 0.10 51.19 03:52:01 PM 3 24.50 1.93 23.83 3.85 0.10 45.79 03:53:01 PM all 50.86 0.00 2.72 1.85 0.10 44.47 03:53:01 PM 0 52.13 0.00 2.26 1.62 0.10 43.89 03:53:01 PM 1 52.86 0.00 3.83 2.34 0.10 40.87 03:53:01 PM 2 50.09 0.00 2.47 1.67 0.12 45.64 03:53:01 PM 3 48.37 0.00 2.31 1.76 0.08 47.48 03:54:01 PM all 65.90 0.00 2.57 1.05 0.12 30.37 03:54:01 PM 0 62.96 0.00 1.79 0.70 0.12 34.43 03:54:01 PM 1 70.87 0.00 3.73 0.98 0.13 24.29 03:54:01 PM 2 68.51 0.00 2.57 0.58 0.10 28.24 03:54:01 PM 3 61.27 0.00 2.19 1.93 0.12 34.49 03:55:01 PM all 28.74 0.00 2.00 0.52 0.07 68.67 03:55:01 PM 0 33.70 0.00 1.52 0.47 0.08 64.23 03:55:01 PM 1 31.58 0.00 1.92 0.05 0.07 66.38 03:55:01 PM 2 18.98 0.00 1.86 0.68 0.07 78.41 03:55:01 PM 3 30.60 0.00 2.70 0.89 0.07 65.74 Average: all 43.34 0.46 6.86 1.75 0.10 47.48 Average: 0 45.18 0.38 6.29 1.41 0.10 46.64 Average: 1 46.06 0.58 7.16 1.94 0.10 44.16 Average: 2 40.93 0.41 6.24 1.55 0.10 50.77 Average: 3 41.20 0.48 7.76 2.11 0.09 48.36