---> uname -a: Linux prd-centos8-robot-2c-8g-4746.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 570 4924 19 2202 6829 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:72:31:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.182/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85843sec preferred_lft 85843sec inet6 fe80::f816:3eff:fe72:3193/64 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) 01/26/2026 _x86_64_ (2 CPU) 23:16:54 LINUX RESTART (2 CPU) 11:18:01 PM tps rtps wtps bread/s bwrtn/s 11:19:01 PM 116.62 0.48 116.14 17.85 10670.27 11:20:01 PM 52.86 1.37 51.49 135.40 6750.34 11:21:01 PM 57.15 6.78 50.37 1248.52 3223.36 11:22:01 PM 50.04 2.70 47.34 436.19 6988.65 11:23:01 PM 3.72 0.07 3.65 4.93 137.61 11:24:01 PM 2.20 0.02 2.18 0.93 323.49 11:25:01 PM 12.58 0.32 12.26 36.93 488.05 11:26:01 PM 29.88 0.52 29.36 63.86 1680.14 Average: 40.64 1.53 39.10 243.07 3783.21 11:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:19:01 PM 5195344 7021192 2687088 34.09 2688 2003004 720920 8.07 188796 2155680 155804 11:20:01 PM 5256048 7101608 2626384 33.32 2688 2021368 629288 7.05 219488 2059428 9576 11:21:01 PM 4940012 7037404 2942420 37.33 2688 2262820 658144 7.37 256696 2303316 170964 11:22:01 PM 4953824 7066260 2928608 37.15 2688 2278788 629956 7.05 266740 2277256 4 11:23:01 PM 4895504 7009652 2986928 37.89 2688 2280508 726316 8.13 267164 2334460 1572 11:24:01 PM 4888176 7008360 2994256 37.99 2688 2286540 782380 8.76 267368 2341324 4 11:25:01 PM 5004400 6987036 2878032 36.51 2688 2155320 703788 7.88 307776 2210132 59824 11:26:01 PM 5133120 7083196 2749312 34.88 2688 2123528 634632 7.11 476352 1916948 26044 Average: 5033304 7039338 2849128 36.15 2688 2176484 685678 7.68 281298 2199818 52974 11:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 PM eth0 106.66 89.62 1265.25 12.11 0.00 0.00 0.00 0.00 11:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 PM eth0 50.32 33.80 420.53 6.06 0.00 0.00 0.00 0.00 11:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 PM eth0 42.90 37.29 336.87 7.56 0.00 0.00 0.00 0.00 11:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 PM eth0 139.64 100.12 32.78 30.63 0.00 0.00 0.00 0.00 11:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:23:01 PM eth0 27.88 21.50 20.66 2.62 0.00 0.00 0.00 0.00 11:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 PM eth0 203.65 202.17 57.29 20.76 0.00 0.00 0.00 0.00 11:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:25:01 PM eth0 102.73 80.47 111.52 46.22 0.00 0.00 0.00 0.00 11:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:26:01 PM eth0 17.61 16.33 14.64 8.08 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 86.43 72.66 282.51 16.75 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) 01/26/2026 _x86_64_ (2 CPU) 23:16:54 LINUX RESTART (2 CPU) 11:18:01 PM CPU %user %nice %system %iowait %steal %idle 11:19:01 PM all 38.03 0.00 5.43 2.47 0.12 53.95 11:19:01 PM 0 33.37 0.00 5.13 2.80 0.13 58.56 11:19:01 PM 1 42.68 0.00 5.72 2.14 0.10 49.35 11:20:01 PM all 21.39 0.00 2.50 1.91 0.08 74.13 11:20:01 PM 0 16.01 0.00 2.57 1.94 0.07 79.42 11:20:01 PM 1 26.77 0.00 2.42 1.89 0.08 68.84 11:21:01 PM all 26.07 0.00 4.93 0.99 0.09 67.92 11:21:01 PM 0 25.07 0.00 5.20 1.33 0.08 68.32 11:21:01 PM 1 27.07 0.00 4.67 0.65 0.10 67.51 11:22:01 PM all 12.27 0.00 2.08 1.09 0.07 84.50 11:22:01 PM 0 13.41 0.00 1.90 1.14 0.05 83.49 11:22:01 PM 1 11.12 0.00 2.26 1.04 0.08 85.50 11:23:01 PM all 3.37 0.00 0.41 0.02 0.07 96.14 11:23:01 PM 0 2.31 0.00 0.38 0.03 0.07 97.21 11:23:01 PM 1 4.43 0.00 0.43 0.00 0.07 95.07 11:24:01 PM all 15.58 0.00 1.39 0.03 0.08 82.93 11:24:01 PM 0 11.04 0.00 1.27 0.03 0.08 87.58 11:24:01 PM 1 20.11 0.00 1.52 0.02 0.07 78.29 11:25:01 PM all 14.45 0.00 1.96 0.06 0.08 83.45 11:25:01 PM 0 14.88 0.00 1.91 0.05 0.08 83.08 11:25:01 PM 1 14.01 0.00 2.01 0.07 0.08 83.83 11:26:01 PM all 32.17 0.00 3.90 0.72 0.09 63.12 11:26:01 PM 0 32.55 0.00 3.69 0.52 0.10 63.14 11:26:01 PM 1 31.79 0.00 4.12 0.92 0.08 63.09 Average: all 20.44 0.00 2.83 0.91 0.08 75.74 Average: 0 18.60 0.00 2.76 0.98 0.08 77.58 Average: 1 22.27 0.00 2.90 0.84 0.08 73.90