---> uname -a: Linux prd-centos8-robot-2c-8g-1903.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: 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 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 579 4928 19 2189 6819 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:2e:d1:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.57/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85880sec preferred_lft 85880sec inet6 fe80::f816:3eff:fe2e:d10c/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) 01/19/2026 _x86_64_ (2 CPU) 03:12:21 LINUX RESTART (2 CPU) 03:13:01 AM tps rtps wtps bread/s bwrtn/s 03:14:01 AM 92.95 17.09 75.86 5250.17 7447.29 03:15:01 AM 79.37 1.08 78.29 75.31 9852.82 03:16:02 AM 45.58 3.82 41.76 1256.59 3353.19 03:17:01 AM 75.55 6.12 69.43 498.63 8183.58 03:18:01 AM 6.18 0.07 6.11 4.93 483.89 03:19:01 AM 1.88 0.03 1.85 1.87 110.18 03:20:01 AM 14.61 0.32 14.30 36.92 607.03 03:21:01 AM 31.67 0.52 31.16 63.85 1518.51 Average: 43.41 3.63 39.78 899.48 3935.79 03:13:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:14:01 AM 5348828 7070872 2533604 32.14 2688 1904132 663088 7.42 187708 2022884 184676 03:15:01 AM 5198044 7044552 2684388 34.06 2688 2022576 675524 7.56 209612 2123204 48288 03:16:02 AM 4966980 6975192 2915452 36.99 2688 2178484 740556 8.29 262976 2283564 103800 03:17:01 AM 4948064 7060004 2934368 37.23 2688 2277944 625872 7.01 267112 2278516 10820 03:18:01 AM 4906928 7019440 2975504 37.75 2688 2278540 693440 7.76 267508 2319608 176 03:19:01 AM 4898912 7013204 2983520 37.85 2688 2280304 693440 7.76 267720 2327276 704 03:20:01 AM 5059372 6991284 2823060 35.81 2688 2103608 700336 7.84 312152 2145240 33564 03:21:01 AM 5040556 6975916 2841876 36.05 2688 2108112 711224 7.96 471944 2010136 26492 Average: 5045960 7018808 2836472 35.98 2688 2144212 687935 7.70 280842 2188804 51065 03:13:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:14:01 AM eth0 324.15 205.35 1887.29 61.03 0.00 0.00 0.00 0.00 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 68.56 48.95 638.25 8.23 0.00 0.00 0.00 0.00 03:16:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:02 AM eth0 45.14 37.94 338.48 8.64 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 194.42 138.13 45.07 38.30 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 12.71 8.03 3.98 1.14 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 26.16 23.60 8.95 6.55 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 65.06 48.67 86.80 28.31 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 19.23 16.63 14.79 8.45 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 94.23 65.76 378.69 20.04 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) 01/19/2026 _x86_64_ (2 CPU) 03:12:21 LINUX RESTART (2 CPU) 03:13:01 AM CPU %user %nice %system %iowait %steal %idle 03:14:01 AM all 43.29 0.00 6.67 2.68 0.11 47.24 03:14:01 AM 0 45.70 0.00 7.33 3.18 0.10 43.69 03:14:01 AM 1 40.89 0.00 6.02 2.19 0.12 50.79 03:15:01 AM all 23.57 0.00 3.68 2.10 0.08 70.57 03:15:01 AM 0 33.61 0.00 4.42 2.75 0.10 59.12 03:15:01 AM 1 13.55 0.00 2.93 1.45 0.07 82.00 03:16:02 AM all 28.66 0.00 3.97 2.97 0.14 64.26 03:16:02 AM 0 40.60 0.00 4.47 4.19 0.12 50.62 03:16:02 AM 1 16.69 0.00 3.46 1.75 0.17 77.92 03:17:01 AM all 22.01 0.00 4.07 0.78 0.07 73.08 03:17:01 AM 0 25.72 0.00 4.22 0.39 0.08 69.58 03:17:01 AM 1 18.29 0.00 3.91 1.17 0.05 76.58 03:18:01 AM all 2.14 0.00 0.33 0.05 0.04 97.44 03:18:01 AM 0 2.64 0.00 0.40 0.07 0.05 96.84 03:18:01 AM 1 1.64 0.00 0.25 0.03 0.03 98.05 03:19:01 AM all 10.43 0.00 0.87 0.00 0.05 88.65 03:19:01 AM 0 12.59 0.00 1.14 0.00 0.05 86.22 03:19:01 AM 1 8.26 0.00 0.60 0.00 0.05 91.09 03:20:01 AM all 22.67 0.00 2.45 0.08 0.08 74.73 03:20:01 AM 0 31.32 0.00 2.62 0.07 0.08 65.91 03:20:01 AM 1 14.03 0.00 2.27 0.08 0.07 83.55 03:21:01 AM all 31.61 0.00 4.06 0.14 0.09 64.10 03:21:01 AM 0 41.49 0.00 4.18 0.18 0.08 54.06 03:21:01 AM 1 21.73 0.00 3.94 0.10 0.10 74.14 Average: all 23.05 0.00 3.26 1.10 0.08 72.51 Average: 0 29.22 0.00 3.60 1.36 0.08 65.75 Average: 1 16.88 0.00 2.92 0.85 0.08 79.27