---> uname -a: Linux prd-centos8-builder-2c-4g-6860.novalocal 4.18.0-529.el8.x86_64 #1 SMP Wed Dec 6 01:03:46 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): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0,1 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 1.8G 0 1.8G 0% /dev tmpfs 1.8G 0 1.8G 0% /dev/shm tmpfs 1.8G 17M 1.8G 1% /run tmpfs 1.8G 0 1.8G 0% /sys/fs/cgroup /dev/vda1 20G 9.1G 11G 46% / tmpfs 367M 0 367M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3665 496 1050 17 2118 2891 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:20:db:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.32.7.128/23 brd 10.32.7.255 scope global dynamic noprefixroute eth0 valid_lft 85862sec preferred_lft 85862sec inet6 fe80::f816:3eff:fe20:db1b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 07/28/2026 _x86_64_ (2 CPU) 00:03:51 LINUX RESTART (2 CPU) 12:05:01 AM tps rtps wtps bread/s bwrtn/s 12:06:01 AM 63.02 0.38 62.64 34.12 6105.28 12:07:01 AM 61.14 0.60 60.54 67.29 10705.21 12:08:01 AM 28.69 0.08 28.60 1.87 3400.87 12:09:01 AM 21.61 0.20 21.41 38.78 921.07 12:10:01 AM 17.66 0.07 17.59 3.07 654.83 12:11:01 AM 14.47 0.00 14.47 0.00 577.25 12:12:01 AM 16.69 0.90 15.79 46.38 437.02 Average: 31.90 0.32 31.58 27.36 3257.54 12:05:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:06:01 AM 1310316 3016632 2443368 65.09 2104 1873716 610408 12.71 145000 2007412 176016 12:07:01 AM 1184752 3023164 2568932 68.44 2104 1997532 575516 11.98 147032 2093096 48844 12:08:01 AM 1078512 2957556 2675172 71.27 2104 2037736 638564 13.30 173892 2174948 22236 12:09:01 AM 998876 2917232 2754808 73.39 2104 2077192 684536 14.25 215984 2213156 46932 12:10:01 AM 1066612 2946720 2687072 71.58 2104 2038844 652004 13.58 213972 2147032 8492 12:11:01 AM 1076660 2956772 2677024 71.32 2104 2038848 636532 13.25 214452 2136332 8492 12:12:01 AM 1090876 2971604 2662808 70.94 2104 2039244 625964 13.03 398700 1936816 7508 Average: 1115229 2969954 2638455 70.29 2104 2014730 631932 13.16 215576 2101256 45503 12:05:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:06:01 AM eth0 85.24 73.93 907.64 7.30 0.00 0.00 0.00 0.00 12:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:07:01 AM eth0 31.26 28.03 141.83 5.07 0.00 0.00 0.00 0.00 12:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:08:01 AM eth0 56.61 50.59 656.02 6.98 0.00 0.00 0.00 0.00 12:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:09:01 AM eth0 9.56 10.98 10.84 4.50 0.00 0.00 0.00 0.00 12:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 AM eth0 11.30 12.06 8.05 9.03 0.00 0.00 0.00 0.00 12:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:11:01 AM eth0 12.44 12.52 10.90 3.84 0.00 0.00 0.00 0.00 12:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 AM eth0 15.48 14.36 15.83 7.03 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 31.70 28.93 250.16 6.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 07/28/2026 _x86_64_ (2 CPU) 00:03:51 LINUX RESTART (2 CPU) 12:05:01 AM CPU %user %nice %system %iowait %steal %idle 12:06:01 AM all 37.63 0.00 4.55 1.66 1.46 54.71 12:06:01 AM 0 52.15 0.00 5.93 1.18 1.55 39.20 12:06:01 AM 1 23.09 0.00 3.17 2.13 1.37 70.24 12:07:01 AM all 37.13 0.00 4.00 1.89 1.41 55.57 12:07:01 AM 0 47.23 0.00 3.91 1.68 1.31 45.86 12:07:01 AM 1 27.03 0.00 4.09 2.09 1.51 65.27 12:08:01 AM all 35.39 0.00 3.08 0.91 1.23 59.39 12:08:01 AM 0 46.05 0.00 3.25 0.90 1.15 48.65 12:08:01 AM 1 24.73 0.00 2.91 0.92 1.32 70.13 12:09:01 AM all 30.73 0.00 1.83 0.43 1.25 65.75 12:09:01 AM 0 39.05 0.00 2.30 0.62 1.31 56.72 12:09:01 AM 1 22.40 0.00 1.37 0.25 1.18 74.80 12:10:01 AM all 37.49 0.00 2.48 0.25 2.14 57.65 12:10:01 AM 0 51.83 0.00 3.59 0.33 2.17 42.08 12:10:01 AM 1 23.22 0.00 1.37 0.17 2.10 73.15 12:11:01 AM all 34.19 0.00 2.42 0.27 1.87 61.25 12:11:01 AM 0 34.17 0.00 2.55 0.07 2.00 61.22 12:11:01 AM 1 34.22 0.00 2.29 0.46 1.74 61.28 12:12:01 AM all 38.93 0.00 2.81 0.36 2.31 55.59 12:12:01 AM 0 54.01 0.00 3.22 0.65 2.55 39.57 12:12:01 AM 1 23.92 0.00 2.41 0.08 2.06 71.52 Average: all 35.93 0.00 3.02 0.82 1.67 58.56 Average: 0 46.35 0.00 3.53 0.77 1.72 47.62 Average: 1 25.52 0.00 2.51 0.87 1.61 69.49