---> uname -a: Linux prd-centos8-robot-2c-8g-7314.novalocal 4.18.0-553.5.1.el8.x86_64 #1 SMP Tue May 21 05:46:01 UTC 2024 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 8.4G 32G 21% / tmpfs 770M 0 770M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7697 586 4940 19 2170 6812 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:c8:2e:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.67/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85960sec preferred_lft 85960sec inet6 fe80::f816:3eff:fec8:2eaa/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-553.5.1.el8.x86_64 (centos-stream-8-robot-7d7a37eb-bc14-4dd6-9530-dc22c5eae738.noval) 02/03/2026 _x86_64_ (2 CPU) 03:13:42 LINUX RESTART (2 CPU) 03:14:01 AM tps rtps wtps bread/s bwrtn/s 03:15:01 AM 192.15 138.38 53.77 14122.01 39373.36 03:16:01 AM 123.33 1.08 122.24 75.31 11613.51 03:17:01 AM 30.61 0.42 30.19 64.79 3730.69 03:18:01 AM 64.56 6.90 57.66 1285.84 3777.62 03:19:01 AM 33.74 0.03 33.71 3.47 6314.61 03:20:01 AM 15.48 0.38 15.09 41.85 556.43 03:21:01 AM 32.32 0.52 31.80 63.83 1373.85 Average: 70.32 21.10 49.21 2237.06 9535.03 03:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:15:01 AM 5541520 7069536 2340912 29.70 2688 1720652 681252 7.63 185836 1872716 78948 03:16:01 AM 5157724 7001168 2724708 34.57 2688 2019068 702692 7.87 199028 2174472 91276 03:17:01 AM 5236604 7081876 2645828 33.57 2688 2021016 625324 7.00 219852 2076048 9572 03:18:01 AM 4927740 7026640 2954692 37.48 2688 2265716 665284 7.45 255744 2320152 175664 03:19:01 AM 4954204 7053700 2928228 37.15 2688 2266600 621868 6.96 261424 2281760 4 03:20:01 AM 4963064 6924312 2919368 37.04 2688 2134216 775948 8.69 298260 2259284 61380 03:21:01 AM 5064792 6982484 2817640 35.75 2688 2091048 720120 8.06 463532 1996032 26360 Average: 5120807 7019959 2761625 35.04 2688 2074045 684641 7.67 269097 2140066 63315 03:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 AM eth0 256.42 152.61 1245.66 57.00 0.00 0.00 0.00 0.00 03:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 AM eth0 114.78 91.29 1296.45 12.41 0.00 0.00 0.00 0.00 03:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 AM eth0 13.76 7.83 5.56 3.34 0.00 0.00 0.00 0.00 03:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 AM eth0 49.05 38.85 342.74 9.63 0.00 0.00 0.00 0.00 03:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 AM eth0 195.58 139.68 38.44 35.85 0.00 0.00 0.00 0.00 03:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 AM eth0 62.81 42.84 78.69 19.98 0.00 0.00 0.00 0.00 03:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 AM eth0 18.59 16.61 15.25 8.48 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 101.57 69.96 431.86 20.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-553.5.1.el8.x86_64 (centos-stream-8-robot-7d7a37eb-bc14-4dd6-9530-dc22c5eae738.noval) 02/03/2026 _x86_64_ (2 CPU) 03:13:42 LINUX RESTART (2 CPU) 03:14:01 AM CPU %user %nice %system %iowait %steal %idle 03:15:01 AM all 36.36 0.05 9.68 5.83 0.12 47.96 03:15:01 AM 0 41.19 0.03 9.74 3.75 0.10 45.19 03:15:01 AM 1 31.50 0.07 9.63 7.93 0.13 50.74 03:16:01 AM all 34.85 0.00 5.37 1.58 0.12 58.09 03:16:01 AM 0 45.68 0.00 6.31 1.57 0.12 46.32 03:16:01 AM 1 24.02 0.00 4.43 1.60 0.12 69.84 03:17:01 AM all 11.23 0.00 1.56 1.27 0.07 85.87 03:17:01 AM 0 10.90 0.00 1.67 1.65 0.07 85.71 03:17:01 AM 1 11.56 0.00 1.45 0.89 0.07 86.04 03:18:01 AM all 32.34 0.00 6.28 0.89 0.10 60.39 03:18:01 AM 0 41.20 0.00 6.75 0.67 0.12 51.27 03:18:01 AM 1 23.49 0.00 5.81 1.11 0.08 69.51 03:19:01 AM all 4.56 0.00 0.94 0.47 0.05 93.98 03:19:01 AM 0 5.50 0.00 1.10 0.43 0.03 92.93 03:19:01 AM 1 3.63 0.00 0.79 0.50 0.07 95.02 03:20:01 AM all 12.74 0.00 1.94 0.29 0.08 84.94 03:20:01 AM 0 14.49 0.00 2.41 0.52 0.10 82.49 03:20:01 AM 1 11.00 0.00 1.47 0.07 0.07 87.40 03:21:01 AM all 31.47 0.00 4.33 0.14 0.12 63.94 03:21:01 AM 0 40.41 0.00 4.73 0.17 0.12 54.57 03:21:01 AM 1 22.53 0.00 3.92 0.12 0.12 73.32 Average: all 23.37 0.01 4.30 1.49 0.09 70.73 Average: 0 28.50 0.00 4.68 1.25 0.09 65.48 Average: 1 18.24 0.01 3.92 1.74 0.09 75.99