---> uname -a: Linux prd-centos8-robot-2c-8g-20786.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 595 4914 19 2187 6804 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:d5:df:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.61/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85909sec preferred_lft 85909sec inet6 fe80::f816:3eff:fed5:df32/64 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) 02/26/2026 _x86_64_ (2 CPU) 01:53:00 LINUX RESTART (2 CPU) 01:54:01 AM tps rtps wtps bread/s bwrtn/s 01:55:01 AM 88.51 16.53 71.98 1930.77 6102.08 01:56:01 AM 80.54 1.08 79.46 75.31 10804.20 01:57:01 AM 24.71 0.42 24.30 64.79 2119.85 01:58:01 AM 79.85 6.93 72.92 1289.52 7303.60 01:59:01 AM 15.21 0.00 15.21 0.00 2279.92 02:00:01 AM 8.69 0.38 8.30 42.43 350.06 02:01:01 AM 33.63 0.52 33.12 63.83 1434.03 Average: 47.28 3.69 43.59 494.92 4338.97 01:54:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:55:01 AM 5348372 7076212 2534060 32.15 2688 1910360 658972 7.38 186312 2028224 194556 01:56:01 AM 5133544 6993712 2748888 34.87 2688 2036228 712968 7.98 207016 2191412 34024 01:57:01 AM 5118100 7014688 2764332 35.07 2688 2071976 704192 7.88 237196 2178800 27940 01:58:01 AM 4938320 7052636 2944112 37.35 2688 2281776 631336 7.07 269412 2293116 58404 01:59:01 AM 4940176 7054288 2942256 37.33 2688 2281776 631336 7.07 269412 2293196 4 02:00:01 AM 5083476 7018432 2798956 35.51 2688 2106224 696864 7.80 266656 2169040 13704 02:01:01 AM 5102164 7036932 2780268 35.27 2688 2108456 668140 7.48 472820 1952528 25524 Average: 5094879 7035271 2787553 35.36 2688 2113828 671973 7.52 272689 2158045 50594 01:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 AM eth0 254.94 174.11 1618.41 54.41 0.00 0.00 0.00 0.00 01:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 AM eth0 87.74 62.56 785.97 8.99 0.00 0.00 0.00 0.00 01:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 AM eth0 17.13 11.16 6.83 4.34 0.00 0.00 0.00 0.00 01:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:01 AM eth0 233.11 166.17 374.53 46.26 0.00 0.00 0.00 0.00 01:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:59:01 AM eth0 2.12 0.83 0.75 0.13 0.00 0.00 0.00 0.00 02:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:01 AM eth0 136.43 107.23 1279.46 24.32 0.00 0.00 0.00 0.00 02:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:01:01 AM eth0 20.92 18.12 16.41 9.35 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 107.51 77.19 583.74 21.11 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) 02/26/2026 _x86_64_ (2 CPU) 01:53:00 LINUX RESTART (2 CPU) 01:54:01 AM CPU %user %nice %system %iowait %steal %idle 01:55:01 AM all 36.98 0.01 6.11 4.09 0.13 52.69 01:55:01 AM 0 27.75 0.00 4.15 3.45 0.12 64.53 01:55:01 AM 1 46.24 0.02 8.07 4.74 0.13 40.81 01:56:01 AM all 21.08 0.00 3.35 1.77 0.11 73.69 01:56:01 AM 0 13.83 0.00 2.82 1.52 0.10 81.73 01:56:01 AM 1 28.34 0.00 3.89 2.02 0.12 65.62 01:57:01 AM all 15.02 0.00 2.51 0.53 0.08 81.86 01:57:01 AM 0 12.88 0.00 2.52 0.88 0.07 83.65 01:57:01 AM 1 17.16 0.00 2.51 0.18 0.08 80.07 01:58:01 AM all 33.53 0.00 6.28 1.25 0.16 58.78 01:58:01 AM 0 32.09 0.00 6.31 1.52 0.15 59.93 01:58:01 AM 1 34.97 0.00 6.26 0.98 0.17 57.62 01:59:01 AM all 0.33 0.00 0.17 0.39 0.04 99.07 01:59:01 AM 0 0.53 0.00 0.12 0.32 0.03 99.00 01:59:01 AM 1 0.12 0.00 0.22 0.47 0.05 99.15 02:00:01 AM all 8.52 0.00 1.93 0.03 0.08 89.43 02:00:01 AM 0 4.03 0.00 1.55 0.05 0.08 94.29 02:00:01 AM 1 13.08 0.00 2.31 0.02 0.08 84.51 02:01:01 AM all 31.79 0.00 4.28 0.16 0.11 63.67 02:01:01 AM 0 28.89 0.00 3.73 0.18 0.10 67.09 02:01:01 AM 1 34.68 0.00 4.82 0.13 0.12 60.25 Average: all 21.03 0.00 3.52 1.17 0.10 74.17 Average: 0 17.14 0.00 3.03 1.13 0.09 78.61 Average: 1 24.94 0.00 4.01 1.22 0.11 69.72