---> uname -a: Linux prd-centos8-robot-2c-8g-19734.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 598 4916 19 2182 6800 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:89:7c:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.170.239/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85928sec preferred_lft 85928sec inet6 fe80::f816:3eff:fe89:7c88/64 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) 02/22/2026 _x86_64_ (2 CPU) 00:13:09 LINUX RESTART (2 CPU) 12:14:01 AM tps rtps wtps bread/s bwrtn/s 12:15:01 AM 118.06 6.18 111.88 1091.15 9587.94 12:16:01 AM 54.58 1.37 53.22 135.42 7794.59 12:17:01 AM 63.77 6.78 56.99 1248.73 3703.27 12:18:01 AM 39.07 2.70 36.37 436.12 6419.29 12:19:01 AM 4.27 0.05 4.22 4.80 171.86 12:20:01 AM 11.88 0.32 11.56 36.93 375.60 12:21:01 AM 33.98 0.52 33.46 63.82 1433.96 Average: 46.51 2.56 43.96 430.95 4212.20 12:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:15:01 AM 5203588 7006676 2678844 33.98 2688 1980440 726900 8.14 187636 2150168 167208 12:16:01 AM 5239592 7084152 2642840 33.53 2688 2020808 641108 7.18 219276 2074604 9012 12:17:01 AM 4937476 7034248 2944956 37.36 2688 2263072 663436 7.43 254180 2307252 174684 12:18:01 AM 4938664 7047812 2943768 37.35 2688 2276168 652528 7.31 266104 2293000 4 12:19:01 AM 4897800 7007404 2984632 37.86 2688 2276624 717588 8.03 266432 2333376 116 12:20:01 AM 4944372 6913516 2938060 37.27 2688 2140464 794724 8.90 303556 2269276 55600 12:21:01 AM 5026884 6956828 2855548 36.23 2688 2103236 753124 8.43 469788 2027436 26332 Average: 5026911 7007234 2855521 36.23 2688 2151545 707058 7.92 280996 2207873 61851 12:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:15:01 AM eth0 129.83 97.75 1148.51 16.80 0.00 0.00 0.00 0.00 12:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:16:01 AM eth0 69.73 47.27 621.12 7.04 0.00 0.00 0.00 0.00 12:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:17:01 AM eth0 41.79 34.14 333.96 7.80 0.00 0.00 0.00 0.00 12:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:01 AM eth0 207.96 155.21 44.12 41.48 0.00 0.00 0.00 0.00 12:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 AM eth0 17.08 10.50 5.74 1.55 0.00 0.00 0.00 0.00 12:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 AM eth0 47.69 33.13 75.07 21.58 0.00 0.00 0.00 0.00 12:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 AM eth0 20.37 17.82 16.67 8.76 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 76.35 56.54 320.71 15.00 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) 02/22/2026 _x86_64_ (2 CPU) 00:13:09 LINUX RESTART (2 CPU) 12:14:01 AM CPU %user %nice %system %iowait %steal %idle 12:15:01 AM all 38.90 0.00 6.22 1.34 0.11 53.43 12:15:01 AM 0 29.35 0.00 5.32 1.36 0.10 63.86 12:15:01 AM 1 48.47 0.00 7.12 1.32 0.12 42.97 12:16:01 AM all 18.23 0.00 2.55 0.82 0.08 78.31 12:16:01 AM 0 14.84 0.00 2.32 0.87 0.08 81.88 12:16:01 AM 1 21.62 0.00 2.79 0.77 0.08 74.75 12:17:01 AM all 29.67 0.00 5.46 1.06 0.10 63.71 12:17:01 AM 0 27.54 0.00 5.28 0.37 0.10 66.71 12:17:01 AM 1 31.80 0.00 5.63 1.75 0.10 60.72 12:18:01 AM all 7.42 0.00 1.78 1.55 0.07 89.19 12:18:01 AM 0 9.22 0.00 1.92 1.22 0.07 87.57 12:18:01 AM 1 5.61 0.00 1.64 1.87 0.07 90.81 12:19:01 AM all 2.00 0.00 0.24 0.03 0.05 97.69 12:19:01 AM 0 3.45 0.00 0.32 0.00 0.05 96.18 12:19:01 AM 1 0.55 0.00 0.17 0.05 0.05 99.18 12:20:01 AM all 10.67 0.00 1.72 0.07 0.07 87.47 12:20:01 AM 0 10.63 0.00 1.94 0.08 0.08 87.26 12:20:01 AM 1 10.72 0.00 1.50 0.05 0.05 87.68 12:21:01 AM all 30.15 0.00 4.07 0.25 0.08 65.45 12:21:01 AM 0 19.76 0.00 3.59 0.13 0.08 76.43 12:21:01 AM 1 40.51 0.00 4.55 0.37 0.08 54.50 Average: all 19.59 0.00 3.15 0.73 0.08 76.45 Average: 0 16.42 0.00 2.96 0.58 0.08 79.97 Average: 1 22.77 0.00 3.34 0.88 0.08 72.93