---> uname -a: Linux prd-centos8-builder-4c-4g-23541.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 738 12256 19 2768 14678 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:74:ad:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.95/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fe74:ada5/64 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) 06/24/2025 _x86_64_ (4 CPU) 20:05:13 LINUX RESTART (4 CPU) 08:06:01 PM tps rtps wtps bread/s bwrtn/s 08:07:01 PM 395.67 41.08 354.59 4146.73 15035.00 08:08:01 PM 180.40 2.86 177.53 556.16 9740.14 08:09:01 PM 72.03 0.77 71.26 80.23 12782.44 Average: 216.03 14.90 201.13 1594.31 12519.04 08:06:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:07:01 PM 12478656 14516608 3662868 22.69 2688 2234456 1564348 9.10 223184 3021452 185736 08:08:01 PM 9413868 11948272 6727656 41.68 2688 2722908 3824836 22.25 371144 5899408 415664 08:09:01 PM 12588116 15067928 3553408 22.01 2688 2668952 862536 5.02 686476 2426812 34884 Average: 11493547 13844269 4647977 28.80 2688 2542105 2083907 12.12 426935 3782557 212095 08:06:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 PM eth0 412.76 306.25 3522.89 45.15 0.00 0.00 0.00 0.00 08:08:01 PM lo 1120.15 1120.15 1113.57 1113.57 0.00 0.00 0.00 0.00 08:08:01 PM eth0 271.95 191.51 4030.70 26.98 0.00 0.00 0.00 0.00 08:09:01 PM lo 1.12 1.12 1.64 1.64 0.00 0.00 0.00 0.00 08:09:01 PM eth0 123.92 111.98 310.70 648.02 0.00 0.00 0.00 0.00 Average: lo 373.80 373.80 371.78 371.78 0.00 0.00 0.00 0.00 Average: eth0 269.54 203.24 2621.51 240.04 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) 06/24/2025 _x86_64_ (4 CPU) 20:05:13 LINUX RESTART (4 CPU) 08:06:01 PM CPU %user %nice %system %iowait %steal %idle 08:07:01 PM all 33.42 0.27 5.82 2.52 0.11 57.86 08:07:01 PM 0 27.56 0.42 6.36 1.66 0.12 63.89 08:07:01 PM 1 38.27 0.37 8.36 3.24 0.12 49.65 08:07:01 PM 2 35.95 0.17 4.10 2.33 0.10 57.35 08:07:01 PM 3 31.93 0.12 4.47 2.86 0.12 60.51 08:08:01 PM all 70.77 0.00 2.51 0.96 0.12 25.64 08:08:01 PM 0 66.06 0.00 3.05 1.76 0.13 28.99 08:08:01 PM 1 77.52 0.00 2.11 1.35 0.12 18.90 08:08:01 PM 2 61.80 0.00 3.46 0.49 0.12 34.14 08:08:01 PM 3 77.70 0.00 1.41 0.23 0.12 20.54 08:09:01 PM all 36.97 0.00 2.22 0.55 0.09 60.17 08:09:01 PM 0 24.42 0.00 1.89 0.47 0.08 73.14 08:09:01 PM 1 44.62 0.00 2.33 0.18 0.08 52.78 08:09:01 PM 2 34.32 0.00 2.35 0.79 0.08 62.45 08:09:01 PM 3 44.57 0.00 2.32 0.74 0.10 52.27 Average: all 47.07 0.09 3.52 1.34 0.11 47.88 Average: 0 39.34 0.14 3.77 1.30 0.11 55.35 Average: 1 53.50 0.12 4.26 1.59 0.11 40.42 Average: 2 44.04 0.06 3.31 1.20 0.10 51.29 Average: 3 51.40 0.04 2.73 1.28 0.11 44.44