---> uname -a: Linux prd-centos8-robot-2c-8g-1909.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 587 4887 19 2222 6811 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:da:aa:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.40/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85942sec preferred_lft 85942sec inet6 fe80::f816:3eff:feda:aa1e/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) 03:12:31 LINUX RESTART (2 CPU) 03:13:01 AM tps rtps wtps bread/s bwrtn/s 03:14:01 AM 124.96 60.08 64.88 7260.51 32599.08 03:15:01 AM 121.64 1.08 120.56 75.31 12398.98 03:16:01 AM 28.02 0.38 27.64 64.25 2476.66 03:17:01 AM 94.90 9.45 85.45 1682.37 8902.15 03:18:01 AM 11.70 0.00 11.70 0.00 1142.41 03:19:01 AM 12.81 0.38 12.43 41.85 1025.99 03:20:01 AM 32.74 0.52 32.22 63.85 2253.70 Average: 60.97 10.27 50.70 1312.62 8685.75 03:13:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:14:01 AM 5412212 7001652 2470220 31.34 2688 1780516 783380 8.77 191632 1990796 116280 03:15:01 AM 5155256 6995996 2727176 34.60 2688 2016320 733068 8.21 199160 2175416 42084 03:16:01 AM 5157780 7035992 2724652 34.57 2688 2051820 686880 7.69 227796 2140184 43868 03:17:01 AM 4934480 7046612 2947952 37.40 2688 2277884 661572 7.41 266444 2294524 27236 03:18:01 AM 4934628 7046496 2947804 37.40 2688 2277884 661572 7.41 266440 2294484 8 03:19:01 AM 4917508 6923228 2964924 37.61 2688 2175892 794888 8.90 320016 2277816 74396 03:20:01 AM 5063736 7032120 2818696 35.76 2688 2140516 688960 7.71 486556 1972424 25328 Average: 5082229 7011728 2800203 35.52 2688 2102976 715760 8.01 279721 2163663 47029 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 287.35 183.99 1665.63 61.22 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 81.84 58.43 859.29 9.26 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 15.93 11.06 8.30 4.37 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 176.04 131.37 367.02 29.91 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 2.22 1.30 0.33 0.25 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 123.99 84.11 463.85 61.12 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 17.31 15.26 14.61 7.51 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 100.67 69.36 482.73 24.81 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) 03:12:31 LINUX RESTART (2 CPU) 03:13:01 AM CPU %user %nice %system %iowait %steal %idle 03:14:01 AM all 36.95 0.05 6.76 18.35 0.12 37.77 03:14:01 AM 0 39.21 0.03 6.70 18.22 0.12 35.72 03:14:01 AM 1 34.68 0.07 6.82 18.48 0.12 39.83 03:15:01 AM all 33.61 0.00 5.25 2.10 0.12 58.92 03:15:01 AM 0 26.19 0.00 4.01 1.82 0.12 67.86 03:15:01 AM 1 41.05 0.00 6.50 2.39 0.12 49.95 03:16:01 AM all 20.95 0.00 3.02 0.26 0.08 75.69 03:16:01 AM 0 29.93 0.00 3.63 0.33 0.08 66.03 03:16:01 AM 1 11.99 0.00 2.40 0.18 0.08 85.34 03:17:01 AM all 31.50 0.00 5.90 1.24 0.11 61.25 03:17:01 AM 0 21.05 0.00 4.69 0.85 0.10 73.31 03:17:01 AM 1 41.96 0.00 7.11 1.62 0.12 49.19 03:18:01 AM all 0.34 0.00 0.14 0.13 0.05 99.34 03:18:01 AM 0 0.58 0.00 0.17 0.17 0.05 99.03 03:18:01 AM 1 0.10 0.00 0.12 0.08 0.05 99.65 03:19:01 AM all 18.59 0.00 2.08 0.15 0.10 79.08 03:19:01 AM 0 9.77 0.00 1.95 0.10 0.08 88.09 03:19:01 AM 1 27.37 0.00 2.20 0.20 0.12 70.11 03:20:01 AM all 31.10 0.00 4.39 0.18 0.10 64.23 03:20:01 AM 0 22.34 0.00 4.33 0.22 0.10 73.01 03:20:01 AM 1 39.85 0.00 4.45 0.13 0.10 55.47 Average: all 24.72 0.01 3.93 3.18 0.10 68.06 Average: 0 21.30 0.00 3.64 3.09 0.09 71.87 Average: 1 28.13 0.01 4.23 3.27 0.10 64.26