---> uname -a: Linux prd-centos8-robot-2c-8g-7312.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 632 4883 19 2182 6767 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:d4:19:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.8/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85886sec preferred_lft 85886sec inet6 fe80::f816:3eff:fed4:1988/64 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) 03:13:45 LINUX RESTART (2 CPU) 03:14:02 AM tps rtps wtps bread/s bwrtn/s 03:15:01 AM 209.69 146.80 62.89 14620.81 41086.73 03:16:01 AM 124.31 1.08 123.23 75.31 12543.35 03:17:01 AM 25.02 0.42 24.61 64.78 2079.31 03:18:01 AM 63.44 6.90 56.54 1286.05 3528.25 03:19:01 AM 31.12 0.03 31.09 3.47 6281.59 03:20:01 AM 5.20 0.07 5.13 4.93 219.46 03:21:01 AM 0.92 0.03 0.88 1.87 113.86 03:22:01 AM 32.71 0.83 31.87 100.77 1606.11 Average: 61.24 19.26 41.99 1993.51 8364.46 03:14:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:15:01 AM 5387028 6972244 2495404 31.66 2688 1777172 824528 9.23 189712 2020996 107456 03:16:01 AM 5117176 6962752 2765256 35.08 2688 2021768 788492 8.83 198376 2215900 44076 03:17:01 AM 5194600 7042600 2687832 34.10 2688 2023716 705624 7.90 219036 2118472 4 03:18:01 AM 4833228 6941144 3049204 38.68 2688 2274212 768564 8.61 255948 2411424 181328 03:19:01 AM 4903416 7006160 2979016 37.79 2688 2269300 706160 7.91 260656 2331892 4 03:20:01 AM 4858000 6962160 3024432 38.37 2688 2270716 776788 8.70 261128 2376532 336 03:21:01 AM 4897816 7005984 2984616 37.86 2688 2274712 706676 7.91 261616 2336820 1348 03:22:01 AM 5089876 7016120 2792556 35.43 2688 2099232 715556 8.01 466064 1967248 10844 Average: 5035142 6988646 2847290 36.12 2688 2126354 749048 8.39 264067 2222410 43174 03:14:02 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 327.47 202.66 1701.19 60.82 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 83.64 59.65 878.99 9.52 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 13.95 7.48 5.57 3.32 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 54.36 40.11 343.71 10.33 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 195.17 161.38 37.18 36.84 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 31.86 24.68 10.32 6.00 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 31.56 24.01 9.66 5.51 0.00 0.00 0.00 0.00 03:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 AM eth0 52.27 36.84 90.28 30.37 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 98.31 69.32 381.87 20.26 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) 03:13:45 LINUX RESTART (2 CPU) 03:14:02 AM CPU %user %nice %system %iowait %steal %idle 03:15:01 AM all 43.87 0.05 10.37 4.46 0.09 41.15 03:15:01 AM 0 42.79 0.05 10.86 4.42 0.09 41.79 03:15:01 AM 1 44.95 0.05 9.88 4.50 0.10 40.52 03:16:01 AM all 31.10 0.00 5.16 1.03 0.09 62.62 03:16:01 AM 0 46.18 0.00 6.77 1.03 0.10 45.92 03:16:01 AM 1 16.09 0.00 3.55 1.03 0.08 79.25 03:17:01 AM all 11.62 0.00 1.55 0.18 0.07 86.59 03:17:01 AM 0 19.98 0.00 2.05 0.18 0.08 77.70 03:17:01 AM 1 3.26 0.00 1.05 0.17 0.05 95.47 03:18:01 AM all 35.00 0.00 6.16 1.12 0.14 57.58 03:18:01 AM 0 47.76 0.00 7.26 1.25 0.13 43.60 03:18:01 AM 1 22.28 0.00 5.07 0.98 0.15 71.52 03:19:01 AM all 1.93 0.00 0.83 0.36 0.05 96.83 03:19:01 AM 0 1.77 0.00 0.82 0.33 0.03 97.04 03:19:01 AM 1 2.09 0.00 0.84 0.38 0.07 96.62 03:20:01 AM all 8.03 0.00 0.79 0.03 0.08 91.09 03:20:01 AM 0 8.15 0.00 0.70 0.03 0.05 91.07 03:20:01 AM 1 7.90 0.00 0.87 0.02 0.10 91.11 03:21:01 AM all 12.53 0.00 0.80 0.00 0.10 86.57 03:21:01 AM 0 22.48 0.00 1.30 0.00 0.12 76.10 03:21:01 AM 1 2.57 0.00 0.30 0.00 0.08 97.04 03:22:01 AM all 28.78 0.00 4.18 0.16 0.10 66.79 03:22:01 AM 0 31.93 0.00 4.40 0.17 0.10 63.41 03:22:01 AM 1 25.62 0.00 3.96 0.15 0.10 70.16 Average: all 21.56 0.01 3.71 0.91 0.09 73.72 Average: 0 27.59 0.01 4.25 0.92 0.09 67.14 Average: 1 15.54 0.01 3.18 0.89 0.09 80.29