---> uname -a: Linux prd-centos8-builder-4c-4g-7065.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 9.7G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 933 11544 19 3285 14480 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:e5:7a:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.83/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fee5:7a48/64 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) 02/11/2026 _x86_64_ (4 CPU) 21:32:03 LINUX RESTART (4 CPU) 09:33:01 PM tps rtps wtps bread/s bwrtn/s 09:34:01 PM 238.14 14.31 223.83 2230.32 15522.08 09:35:01 PM 1146.09 0.05 1146.04 14.13 39791.63 09:36:01 PM 40.22 2.20 38.02 617.39 2997.45 Average: 474.78 5.52 469.26 954.00 19435.92 09:33:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:34:01 PM 11970744 14317680 4170788 25.84 2688 2482368 1789292 10.41 215380 3402588 406576 09:35:01 PM 11114516 14052612 5027016 31.14 2688 2976904 1880764 10.94 259968 3970120 6980 09:36:01 PM 11885708 14877672 4255824 26.37 2688 3029688 839968 4.89 279168 3184844 33840 Average: 11656989 14415988 4484543 27.78 2688 2829653 1503341 8.75 251505 3519184 149132 09:33:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 PM eth0 1023.26 781.16 2282.56 239.08 0.00 0.00 0.00 0.00 09:35:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 PM eth0 1574.67 1268.04 1113.85 370.55 0.00 0.00 0.00 0.00 09:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 PM eth0 32.77 27.79 269.44 9.29 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 876.86 692.30 1221.95 206.30 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) 02/11/2026 _x86_64_ (4 CPU) 21:32:03 LINUX RESTART (4 CPU) 09:33:01 PM CPU %user %nice %system %iowait %steal %idle 09:34:01 PM all 28.81 0.02 4.69 1.36 0.10 65.02 09:34:01 PM 0 47.26 0.00 4.42 1.14 0.10 47.08 09:34:01 PM 1 17.56 0.00 4.86 1.58 0.12 75.89 09:34:01 PM 2 28.29 0.03 5.69 1.70 0.10 64.19 09:34:01 PM 3 22.04 0.05 3.78 1.02 0.10 73.01 09:35:01 PM all 29.55 0.00 6.46 3.37 0.10 60.53 09:35:01 PM 0 33.93 0.00 6.43 1.51 0.10 58.03 09:35:01 PM 1 9.55 0.00 6.29 3.47 0.10 80.59 09:35:01 PM 2 45.42 0.00 6.72 2.57 0.10 45.20 09:35:01 PM 3 29.29 0.00 6.40 5.93 0.08 58.30 09:36:01 PM all 32.91 0.00 0.88 0.13 0.09 66.00 09:36:01 PM 0 14.42 0.00 0.53 0.08 0.08 84.88 09:36:01 PM 1 14.32 0.00 0.65 0.08 0.08 84.86 09:36:01 PM 2 91.14 0.00 1.47 0.08 0.10 7.21 09:36:01 PM 3 11.74 0.00 0.85 0.27 0.08 87.06 Average: all 30.43 0.01 4.00 1.61 0.10 63.86 Average: 0 31.85 0.00 3.79 0.91 0.09 63.36 Average: 1 13.81 0.00 3.92 1.71 0.10 80.45 Average: 2 55.04 0.01 4.62 1.44 0.10 38.79 Average: 3 21.00 0.02 3.67 2.40 0.09 72.83