---> uname -a: Linux prd-centos8-robot-2c-8g-10678.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 644 4877 19 2175 6754 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:33:d0:e5 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 85924sec preferred_lft 85924sec inet6 fe80::f816:3eff:fe33:d0e5/64 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) 02/15/2026 _x86_64_ (2 CPU) 02:59:29 LINUX RESTART (2 CPU) 03:00:00 AM tps rtps wtps bread/s bwrtn/s 03:00:01 AM 173.77 114.75 59.02 4557.38 35731.15 03:01:01 AM 112.80 61.91 50.88 7814.33 34817.43 03:02:01 AM 118.22 1.17 117.05 77.14 12151.54 03:03:01 AM 37.55 0.38 37.17 64.25 4121.04 03:04:01 AM 65.46 6.93 58.52 1286.59 3715.66 03:05:01 AM 39.86 0.03 39.83 3.47 6579.07 03:06:01 AM 2.72 0.07 2.65 5.73 99.17 03:07:01 AM 27.22 0.63 26.59 73.18 1176.44 Average: 58.03 10.46 47.57 1341.38 9029.42 03:00:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 AM 6141832 7361200 1740600 22.08 2688 1426356 361124 4.58 111284 1410460 926224 03:01:01 AM 5534708 7067764 2347724 29.78 2688 1725700 723468 8.10 185676 1879600 104412 03:02:01 AM 5161012 7006988 2721420 34.53 2688 2021584 729064 8.16 198740 2173244 100692 03:03:01 AM 5238304 7085760 2644128 33.54 2688 2023512 657412 7.36 219520 2077488 9016 03:04:01 AM 4944244 7046320 2938188 37.28 2688 2268464 718540 8.05 255444 2301680 175736 03:05:01 AM 4901672 7003140 2980760 37.82 2688 2268652 720416 8.07 261296 2337428 8 03:06:01 AM 4779888 6882076 3102544 39.36 2688 2269372 848116 9.50 261628 2457424 4 03:07:01 AM 5021688 6938864 2860744 36.29 2688 2089864 793708 8.89 462024 2041676 14872 Average: 5215418 7049014 2667014 33.83 2688 2011688 693981 7.77 244452 2084875 166370 03:00:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 AM eth0 7.38 5.74 1.39 1.80 0.00 0.00 0.00 0.00 03:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:01:01 AM eth0 235.54 156.15 1266.71 54.10 0.00 0.00 0.00 0.00 03:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:02:01 AM eth0 113.97 81.82 1275.72 11.33 0.00 0.00 0.00 0.00 03:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:03:01 AM eth0 11.80 8.58 5.27 3.60 0.00 0.00 0.00 0.00 03:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:04:01 AM eth0 42.16 36.66 338.59 16.52 0.00 0.00 0.00 0.00 03:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:05:01 AM eth0 135.79 96.65 32.04 22.78 0.00 0.00 0.00 0.00 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 83.92 72.04 1009.34 5.97 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 64.51 41.49 86.32 26.21 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 97.98 70.30 571.84 20.02 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) 02/15/2026 _x86_64_ (2 CPU) 02:59:29 LINUX RESTART (2 CPU) 03:00:00 AM CPU %user %nice %system %iowait %steal %idle 03:00:01 AM all 7.08 0.00 5.42 87.50 0.00 0.00 03:00:01 AM 0 4.17 0.00 5.83 90.00 0.00 0.00 03:00:01 AM 1 10.00 0.00 5.00 85.00 0.00 0.00 03:01:01 AM all 34.22 0.04 7.55 26.13 0.13 31.93 03:01:01 AM 0 31.50 0.03 7.23 23.05 0.13 38.05 03:01:01 AM 1 36.95 0.05 7.87 29.21 0.12 25.80 03:02:01 AM all 35.23 0.00 5.51 3.23 0.14 55.89 03:02:01 AM 0 32.72 0.00 5.41 2.55 0.13 59.19 03:02:01 AM 1 37.73 0.00 5.62 3.92 0.15 52.59 03:03:01 AM all 10.97 0.00 1.77 0.41 0.07 86.78 03:03:01 AM 0 9.49 0.00 1.45 0.17 0.07 88.82 03:03:01 AM 1 12.45 0.00 2.09 0.65 0.07 84.74 03:04:01 AM all 30.64 0.00 5.70 0.97 0.12 62.58 03:04:01 AM 0 25.54 0.00 6.02 1.42 0.12 66.91 03:04:01 AM 1 35.73 0.00 5.38 0.52 0.12 58.26 03:05:01 AM all 6.72 0.00 1.61 1.25 0.08 90.35 03:05:01 AM 0 10.27 0.00 2.02 1.38 0.07 86.27 03:05:01 AM 1 3.19 0.00 1.20 1.12 0.08 94.40 03:06:01 AM all 4.77 0.00 0.56 0.02 0.08 94.57 03:06:01 AM 0 4.45 0.00 0.52 0.02 0.07 94.94 03:06:01 AM 1 5.09 0.00 0.61 0.02 0.08 94.20 03:07:01 AM all 25.41 0.00 3.90 0.14 0.10 70.45 03:07:01 AM 0 16.49 0.00 3.62 0.05 0.10 79.74 03:07:01 AM 1 34.35 0.00 4.18 0.23 0.10 61.13 Average: all 21.11 0.01 3.81 4.81 0.10 70.17 Average: 0 18.60 0.00 3.76 4.31 0.10 73.22 Average: 1 23.62 0.01 3.85 5.30 0.10 67.12