---> uname -a: Linux prd-centos8-builder-4c-4g-9754.novalocal 4.18.0-536.el8.x86_64 #1 SMP Thu Jan 18 15:15:29 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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 920 11387 19 3452 14491 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:1d:97:de brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.101/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86096sec preferred_lft 86096sec inet6 fe80::f816:3eff:fe1d:97de/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-536.el8.x86_64 (centos-stream-8-builder-bbeabe4a-2fd0-4604-88f7-f8ef5baaa3c1.nov) 07/24/2026 _x86_64_ (4 CPU) 09:23:09 LINUX RESTART (4 CPU) 09:24:02 AM tps rtps wtps bread/s bwrtn/s 09:25:01 AM 232.28 72.15 160.13 3176.96 12708.44 09:26:01 AM 818.51 0.00 818.51 0.00 37605.11 09:27:01 AM 461.23 0.05 461.18 14.12 15395.25 09:28:01 AM 30.03 2.35 27.69 577.31 1905.63 Average: 386.14 18.41 367.73 932.66 16920.40 09:24:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:25:01 AM 12459480 14603552 3679968 22.80 2688 2334624 1673648 9.74 219416 3024632 333472 09:26:01 AM 10837944 13943636 5301504 32.85 2688 3143292 2128908 12.39 260316 4273792 365332 09:27:01 AM 10409568 13519168 5729880 35.50 2688 3143740 2453696 14.28 264984 4652224 12 09:28:01 AM 11642668 14815948 4496780 27.86 2688 3203624 901528 5.25 479712 3215296 53136 Average: 11337415 14220576 4802033 29.75 2688 2956320 1789445 10.41 306107 3791486 187988 09:24:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM eth0 177.94 131.68 2573.03 26.89 0.00 0.00 0.00 0.00 09:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 AM eth0 2339.94 1841.37 2052.87 553.92 0.00 0.00 0.00 0.00 09:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 AM eth0 22.78 15.14 5.04 9.68 0.00 0.00 0.00 0.00 09:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 AM eth0 52.24 43.71 283.87 15.99 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 650.12 509.49 1222.94 152.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-536.el8.x86_64 (centos-stream-8-builder-bbeabe4a-2fd0-4604-88f7-f8ef5baaa3c1.nov) 07/24/2026 _x86_64_ (4 CPU) 09:23:09 LINUX RESTART (4 CPU) 09:24:02 AM CPU %user %nice %system %iowait %steal %idle 09:25:01 AM all 25.23 0.58 14.10 1.60 0.12 58.36 09:25:01 AM 0 41.31 0.63 14.74 1.99 0.14 41.19 09:25:01 AM 1 17.22 0.46 11.35 1.38 0.10 69.49 09:25:01 AM 2 22.78 0.60 14.68 2.03 0.14 59.79 09:25:01 AM 3 19.60 0.65 15.64 1.01 0.10 63.00 09:26:01 AM all 27.01 0.00 11.72 3.50 0.15 57.62 09:26:01 AM 0 66.77 0.00 7.69 0.17 0.15 25.22 09:26:01 AM 1 23.30 0.00 12.88 7.12 0.17 56.53 09:26:01 AM 2 8.12 0.00 12.12 2.34 0.14 77.28 09:26:01 AM 3 9.36 0.00 14.25 4.39 0.14 71.86 09:27:01 AM all 31.59 0.00 1.86 2.27 0.10 64.17 09:27:01 AM 0 37.40 0.00 2.07 1.95 0.10 58.47 09:27:01 AM 1 63.18 0.00 2.10 1.40 0.12 33.19 09:27:01 AM 2 10.63 0.00 1.88 3.77 0.10 83.63 09:27:01 AM 3 15.02 0.00 1.41 1.98 0.08 81.51 09:28:01 AM all 25.70 0.00 2.32 0.21 0.08 71.68 09:28:01 AM 0 14.53 0.00 1.99 0.18 0.08 83.21 09:28:01 AM 1 63.40 0.00 3.17 0.28 0.10 33.04 09:28:01 AM 2 16.70 0.00 2.53 0.37 0.08 80.32 09:28:01 AM 3 8.11 0.00 1.61 0.02 0.07 90.20 Average: all 27.39 0.14 7.46 1.89 0.11 63.00 Average: 0 39.94 0.16 6.58 1.07 0.12 52.14 Average: 1 41.96 0.11 7.34 2.53 0.12 47.93 Average: 2 14.55 0.15 7.75 2.12 0.11 75.31 Average: 3 13.01 0.16 8.16 1.84 0.10 76.73