---> uname -a: Linux prd-centos8-robot-2c-8g-20544.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 666 4822 19 2208 6732 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:1e:9a:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.170.158/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85835sec preferred_lft 85835sec inet6 fe80::f816:3eff:fe1e:9a17/64 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) 02/25/2026 _x86_64_ (2 CPU) 03:25:15 LINUX RESTART (2 CPU) 03:26:01 AM tps rtps wtps bread/s bwrtn/s 03:27:01 AM 111.91 0.93 110.98 76.79 10887.82 03:28:01 AM 53.13 1.37 51.77 135.42 6571.08 03:29:01 AM 64.24 6.97 57.27 1288.85 3710.63 03:30:01 AM 34.07 0.03 34.04 3.47 6279.27 03:31:01 AM 4.62 0.08 4.53 5.86 182.26 03:32:01 AM 2.05 0.00 2.05 0.00 334.94 03:33:01 AM 0.20 0.00 0.20 0.00 115.29 03:34:02 AM 17.63 0.40 17.23 46.78 650.75 Average: 35.98 1.22 34.76 194.63 3591.42 03:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:27:01 AM 5085860 6976796 2796564 35.48 2688 2068164 742536 8.31 191372 2264424 203600 03:28:01 AM 5230088 7088064 2652336 33.65 2688 2034400 632892 7.09 227752 2076792 9012 03:29:01 AM 4914128 7026964 2968296 37.66 2688 2279056 668300 7.48 263832 2323080 175868 03:30:01 AM 4898716 7009532 2983708 37.85 2688 2277976 685840 7.68 269448 2329152 8 03:31:01 AM 4826524 6945896 3055900 38.77 2688 2286528 768988 8.61 269920 2401412 8104 03:32:01 AM 4822320 6941720 3060104 38.82 2688 2286556 784996 8.79 269920 2404792 36 03:33:01 AM 4798160 6920952 3084264 39.13 2688 2289948 800640 8.96 269980 2428868 4 03:34:02 AM 5000488 6952300 2881936 36.56 2688 2125020 725080 8.12 481640 2042488 39280 Average: 4947036 6982778 2935388 37.24 2688 2205956 726159 8.13 280483 2283876 54489 03:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 AM eth0 144.08 115.41 1698.06 14.66 0.00 0.00 0.00 0.00 03:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 AM eth0 17.61 8.61 7.59 3.70 0.00 0.00 0.00 0.00 03:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 AM eth0 46.68 39.24 338.86 9.81 0.00 0.00 0.00 0.00 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 188.72 137.72 38.84 37.08 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 118.76 102.48 89.42 37.47 0.00 0.00 0.00 0.00 03:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM eth0 338.68 337.03 197.40 134.38 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 131.89 129.49 328.40 39.10 0.00 0.00 0.00 0.00 03:34:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:02 AM eth0 58.05 38.79 97.13 37.24 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 130.55 113.59 349.44 39.18 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) 02/25/2026 _x86_64_ (2 CPU) 03:25:15 LINUX RESTART (2 CPU) 03:26:01 AM CPU %user %nice %system %iowait %steal %idle 03:27:01 AM all 39.08 0.00 5.78 1.06 0.10 53.98 03:27:01 AM 0 25.20 0.00 4.55 0.83 0.08 69.34 03:27:01 AM 1 53.02 0.00 7.02 1.28 0.12 38.57 03:28:01 AM all 16.66 0.00 2.43 1.13 0.07 79.72 03:28:01 AM 0 10.81 0.00 1.75 0.77 0.07 86.61 03:28:01 AM 1 22.52 0.00 3.11 1.49 0.07 72.82 03:29:01 AM all 31.02 0.00 5.90 0.36 0.08 62.63 03:29:01 AM 0 27.87 0.00 5.97 0.47 0.08 65.60 03:29:01 AM 1 34.17 0.00 5.83 0.25 0.08 59.66 03:30:01 AM all 5.55 0.00 1.24 0.43 0.04 92.74 03:30:01 AM 0 5.14 0.00 1.14 0.32 0.03 93.37 03:30:01 AM 1 5.95 0.00 1.35 0.53 0.05 92.11 03:31:01 AM all 17.18 0.00 0.49 0.02 0.08 82.24 03:31:01 AM 0 5.59 0.00 0.30 0.02 0.08 94.01 03:31:01 AM 1 28.84 0.00 0.67 0.02 0.07 70.41 03:32:01 AM all 28.80 0.00 0.65 0.02 0.10 70.43 03:32:01 AM 0 53.35 0.00 0.97 0.02 0.10 45.56 03:32:01 AM 1 4.28 0.00 0.34 0.02 0.10 95.27 03:33:01 AM all 16.45 0.00 0.42 0.00 0.07 83.06 03:33:01 AM 0 29.87 0.00 0.61 0.00 0.08 69.44 03:33:01 AM 1 3.17 0.00 0.23 0.00 0.05 96.55 03:34:02 AM all 17.78 0.00 2.78 0.07 0.08 79.30 03:34:02 AM 0 16.26 0.00 2.84 0.08 0.08 80.73 03:34:02 AM 1 19.30 0.00 2.72 0.05 0.07 77.87 Average: all 21.58 0.00 2.47 0.38 0.08 75.49 Average: 0 21.73 0.00 2.27 0.31 0.08 75.60 Average: 1 21.43 0.00 2.67 0.46 0.08 75.38