---> uname -a: Linux prd-centos8-robot-2c-8g-4107.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 586 4931 19 2180 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:b2:33:de brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.170.238/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85863sec preferred_lft 85863sec inet6 fe80::f816:3eff:feb2:33de/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) 01/25/2026 _x86_64_ (2 CPU) 03:04:11 LINUX RESTART (2 CPU) 03:05:01 AM tps rtps wtps bread/s bwrtn/s 03:06:01 AM 89.55 6.13 83.42 1092.04 6344.02 03:07:01 AM 81.45 1.02 80.44 73.45 10968.97 03:08:01 AM 30.02 0.42 29.61 64.78 1703.40 03:09:01 AM 78.12 6.93 71.19 1289.52 8387.55 03:10:01 AM 9.71 0.07 9.65 4.93 599.30 03:11:01 AM 2.07 0.03 2.03 1.87 118.37 03:12:01 AM 7.88 0.32 7.57 36.93 298.98 03:13:01 AM 32.02 0.52 31.51 63.85 1592.29 Average: 41.35 1.93 39.42 328.40 3751.36 03:05:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 AM 5289408 7086260 2593024 32.90 2688 1973920 638856 7.15 186860 2069020 247028 03:07:01 AM 5209012 7051052 2673420 33.92 2688 2018144 656164 7.35 208604 2115484 9908 03:08:01 AM 5048668 6995288 2833764 35.95 2688 2117608 697032 7.80 233300 2235148 87452 03:09:01 AM 4953240 7053148 2929192 37.16 2688 2265916 623172 6.98 260896 2282208 9924 03:10:01 AM 4911004 7011300 2971428 37.70 2688 2266484 704784 7.89 261304 2323712 436 03:11:01 AM 4906404 7007900 2976028 37.76 2688 2267668 685328 7.67 261516 2328288 80 03:12:01 AM 4995640 6958488 2886792 36.62 2688 2133092 716048 8.02 299020 2221152 55924 03:13:01 AM 5106144 7032332 2776288 35.22 2688 2098868 670348 7.51 465660 1951756 26304 Average: 5052440 7024471 2829992 35.90 2688 2142712 673966 7.55 272145 2190846 54632 03:05:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:06:01 AM eth0 116.14 93.72 1115.32 15.13 0.00 0.00 0.00 0.00 03:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 AM eth0 62.14 41.71 602.25 5.76 0.00 0.00 0.00 0.00 03:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 AM eth0 31.66 27.24 161.95 6.89 0.00 0.00 0.00 0.00 03:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 AM eth0 214.58 157.16 221.95 41.17 0.00 0.00 0.00 0.00 03:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 AM eth0 12.10 7.33 3.92 2.43 0.00 0.00 0.00 0.00 03:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 AM eth0 23.55 20.89 7.78 3.97 0.00 0.00 0.00 0.00 03:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 AM eth0 59.94 45.14 86.51 29.23 0.00 0.00 0.00 0.00 03:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 AM eth0 17.96 15.13 14.17 7.59 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 67.26 51.04 276.72 14.02 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) 01/25/2026 _x86_64_ (2 CPU) 03:04:11 LINUX RESTART (2 CPU) 03:05:01 AM CPU %user %nice %system %iowait %steal %idle 03:06:01 AM all 35.90 0.00 5.58 1.26 0.10 57.17 03:06:01 AM 0 40.85 0.00 5.90 1.35 0.08 51.82 03:06:01 AM 1 30.95 0.00 5.26 1.16 0.12 62.51 03:07:01 AM all 16.63 0.00 2.66 1.36 0.08 79.27 03:07:01 AM 0 20.60 0.00 3.00 1.50 0.07 74.82 03:07:01 AM 1 12.65 0.00 2.32 1.22 0.10 83.71 03:08:01 AM all 26.96 0.00 3.23 1.73 0.10 67.98 03:08:01 AM 0 34.82 0.00 3.78 1.33 0.12 59.94 03:08:01 AM 1 19.10 0.00 2.68 2.12 0.08 76.01 03:09:01 AM all 24.63 0.00 4.91 2.18 0.09 68.19 03:09:01 AM 0 32.70 0.00 5.56 2.97 0.08 58.68 03:09:01 AM 1 16.57 0.00 4.25 1.38 0.10 77.69 03:10:01 AM all 2.05 0.00 0.34 0.09 0.03 97.49 03:10:01 AM 0 2.41 0.00 0.43 0.18 0.03 96.94 03:10:01 AM 1 1.69 0.00 0.25 0.00 0.03 98.03 03:11:01 AM all 8.48 0.00 0.79 0.02 0.07 90.64 03:11:01 AM 0 9.54 0.00 1.00 0.00 0.07 89.39 03:11:01 AM 1 7.42 0.00 0.58 0.03 0.07 91.89 03:12:01 AM all 19.54 0.00 2.05 0.09 0.10 78.22 03:12:01 AM 0 15.49 0.00 2.27 0.08 0.10 82.06 03:12:01 AM 1 23.60 0.00 1.82 0.10 0.10 74.38 03:13:01 AM all 31.54 0.00 4.24 0.17 0.11 63.94 03:13:01 AM 0 46.79 0.00 5.13 0.23 0.10 47.74 03:13:01 AM 1 16.32 0.00 3.34 0.10 0.12 80.12 Average: all 20.73 0.00 2.98 0.86 0.09 75.35 Average: 0 25.41 0.00 3.39 0.96 0.08 70.16 Average: 1 16.04 0.00 2.57 0.77 0.09 80.53