---> uname -a: Linux prd-centos8-builder-2c-1g-4412.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): 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: 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): 0,1 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 3.8G 0 3.8G 0% /dev tmpfs 3.8G 0 3.8G 0% /dev/shm tmpfs 3.8G 17M 3.8G 1% /run tmpfs 3.8G 0 3.8G 0% /sys/fs/cgroup /dev/vda1 40G 8.5G 32G 22% / tmpfs 770M 0 770M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7699 587 4960 19 2151 6806 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:1f:0d:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.182/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe1f:dea/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) 03/24/2026 _x86_64_ (2 CPU) 07:03:23 LINUX RESTART (2 CPU) 07:04:01 AM tps rtps wtps bread/s bwrtn/s 07:05:01 AM 254.01 122.53 131.48 1990.87 7230.81 07:06:01 AM 103.43 2.85 100.58 278.31 10968.38 07:07:01 AM 27.35 0.27 27.08 34.66 1099.30 07:08:01 AM 18.68 0.73 17.95 31.19 520.23 07:09:01 AM 24.50 0.38 24.11 38.66 690.87 Average: 85.59 25.35 60.24 474.73 4102.15 07:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:05:01 AM 5306980 7040592 2577456 32.69 2688 1906608 701192 7.85 194912 2042188 159168 07:06:01 AM 5084952 6968572 2799484 35.51 2688 2050080 742684 8.31 224132 2205056 20976 07:07:01 AM 5111784 6996636 2772652 35.17 2688 2051100 721020 8.07 228196 2173648 7384 07:08:01 AM 5110304 6996224 2774132 35.18 2688 2052152 711108 7.96 397756 2005728 7508 07:09:01 AM 5015168 6910884 2869268 36.39 2688 2061736 805840 9.02 406072 2092140 26152 Average: 5125838 6982582 2758598 34.99 2688 2024335 736369 8.24 290214 2103752 44238 07:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM eth0 109.82 70.42 1144.07 19.56 0.00 0.00 0.00 0.00 07:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 AM eth0 60.40 44.32 585.50 13.18 0.00 0.00 0.00 0.00 07:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 AM eth0 27.98 27.88 24.35 7.91 0.00 0.00 0.00 0.00 07:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 AM eth0 26.91 22.63 26.86 7.94 0.00 0.00 0.00 0.00 07:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 AM eth0 17.90 16.75 14.46 6.86 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 48.60 36.40 359.05 11.09 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) 03/24/2026 _x86_64_ (2 CPU) 07:03:23 LINUX RESTART (2 CPU) 07:04:01 AM CPU %user %nice %system %iowait %steal %idle 07:05:01 AM all 27.49 2.55 19.16 17.01 0.18 33.61 07:05:01 AM 0 20.84 2.08 19.31 17.57 0.17 40.03 07:05:01 AM 1 34.17 3.01 19.01 16.46 0.19 27.16 07:06:01 AM all 30.03 0.00 3.31 4.08 0.13 62.45 07:06:01 AM 0 34.00 0.00 3.62 2.05 0.12 60.22 07:06:01 AM 1 26.09 0.00 3.00 6.11 0.13 64.67 07:07:01 AM all 29.93 0.00 2.52 4.99 0.20 62.36 07:07:01 AM 0 23.51 0.00 2.33 3.86 0.22 70.08 07:07:01 AM 1 36.35 0.00 2.71 6.12 0.18 54.64 07:08:01 AM all 30.83 0.00 2.41 2.77 0.11 63.88 07:08:01 AM 0 15.70 0.00 1.89 1.64 0.10 80.67 07:08:01 AM 1 46.00 0.00 2.94 3.91 0.12 47.04 07:09:01 AM all 25.33 0.00 1.89 7.66 0.13 64.99 07:09:01 AM 0 25.10 0.00 1.97 8.90 0.13 63.90 07:09:01 AM 1 25.55 0.00 1.81 6.41 0.14 66.10 Average: all 28.73 0.50 5.83 7.28 0.15 57.51 Average: 0 23.83 0.41 5.80 6.78 0.15 63.03 Average: 1 33.63 0.60 5.86 7.77 0.15 51.98