---> uname -a: Linux prd-centos8-robot-2c-8g-3796.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 579 4951 19 2166 6819 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:ba:ca:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.243/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85946sec preferred_lft 85946sec inet6 fe80::f816:3eff:feba:ca8f/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) 01/24/2026 _x86_64_ (2 CPU) 03:13:43 LINUX RESTART (2 CPU) 03:14:01 AM tps rtps wtps bread/s bwrtn/s 03:15:01 AM 198.63 136.68 61.95 14183.31 40504.41 03:16:01 AM 117.04 1.08 115.96 75.31 12126.64 03:17:01 AM 31.91 0.42 31.49 64.78 2440.15 03:18:01 AM 85.67 6.93 78.74 1289.30 8579.97 03:19:01 AM 10.25 0.05 10.20 4.80 1042.36 03:20:01 AM 18.46 0.33 18.13 37.06 768.89 03:21:01 AM 25.14 0.52 24.63 63.85 1202.12 Average: 69.59 20.86 48.73 2245.88 9524.65 03:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:15:01 AM 5437724 7018868 2444700 31.01 2688 1773040 741340 8.30 189888 1969096 105580 03:16:01 AM 5167028 7005744 2715396 34.45 2688 2014536 707120 7.92 198432 2159700 45240 03:17:01 AM 5121024 7029704 2761400 35.03 2688 2080828 686548 7.69 228260 2170356 72380 03:18:01 AM 4965180 7060892 2917244 37.01 2688 2262308 627048 7.02 260888 2270376 23964 03:19:01 AM 4923756 7019852 2958668 37.54 2688 2262700 694968 7.78 261212 2310420 32 03:20:01 AM 5086008 6994796 2796416 35.48 2688 2080968 728212 8.15 302176 2131632 23116 03:21:01 AM 5120504 7030724 2761920 35.04 2688 2083332 673568 7.54 461964 1939712 11440 Average: 5117318 7022940 2765106 35.08 2688 2079673 694115 7.77 271831 2135899 40250 03:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 294.74 177.53 1664.09 59.62 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 80.11 62.00 858.83 9.63 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 21.94 13.78 25.95 5.00 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 232.76 172.79 359.88 43.43 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 14.25 8.38 3.88 1.07 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 44.96 33.51 75.27 19.21 0.00 0.00 0.00 0.00 03:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 AM eth0 13.91 11.90 11.12 6.26 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 100.39 68.56 428.48 20.61 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) 01/24/2026 _x86_64_ (2 CPU) 03:13:43 LINUX RESTART (2 CPU) 03:14:01 AM CPU %user %nice %system %iowait %steal %idle 03:15:01 AM all 39.77 0.06 10.17 3.59 0.10 46.31 03:15:01 AM 0 35.04 0.07 9.65 4.19 0.10 50.95 03:15:01 AM 1 44.52 0.05 10.68 2.99 0.10 41.66 03:16:01 AM all 32.85 0.00 5.02 1.04 0.10 60.98 03:16:01 AM 0 27.84 0.00 4.41 0.93 0.10 66.72 03:16:01 AM 1 37.86 0.00 5.64 1.15 0.10 55.25 03:17:01 AM all 23.74 0.00 3.37 0.28 0.07 72.53 03:17:01 AM 0 14.72 0.00 3.00 0.25 0.07 81.96 03:17:01 AM 1 32.76 0.00 3.73 0.32 0.08 63.11 03:18:01 AM all 26.18 0.00 5.06 0.91 0.09 67.76 03:18:01 AM 0 20.97 0.00 4.67 1.20 0.08 73.08 03:18:01 AM 1 31.39 0.00 5.45 0.62 0.10 62.44 03:19:01 AM all 1.09 0.00 0.22 0.13 0.04 98.52 03:19:01 AM 0 1.70 0.00 0.28 0.23 0.02 97.76 03:19:01 AM 1 0.47 0.00 0.15 0.03 0.07 99.28 03:20:01 AM all 14.02 0.00 2.01 0.06 0.08 83.83 03:20:01 AM 0 8.47 0.00 1.70 0.03 0.07 89.73 03:20:01 AM 1 19.57 0.00 2.32 0.08 0.08 77.95 03:21:01 AM all 21.00 0.00 2.69 0.18 0.06 76.07 03:21:01 AM 0 6.57 0.00 2.08 0.17 0.07 91.12 03:21:01 AM 1 35.45 0.00 3.30 0.18 0.05 61.02 Average: all 22.66 0.01 4.07 0.88 0.08 72.30 Average: 0 16.47 0.01 3.68 1.00 0.07 78.77 Average: 1 28.85 0.01 4.46 0.77 0.08 65.83