---> uname -a: Linux prd-centos8-builder-4c-4g-3483.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 878 11444 19 3437 14533 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:76:73:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.199/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:fe76:73ba/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) 05/25/2026 _x86_64_ (4 CPU) 09:09:26 LINUX RESTART (4 CPU) 09:10:00 AM tps rtps wtps bread/s bwrtn/s 09:10:01 AM 184.28 157.23 27.04 1303.14 1462.26 09:11:01 AM 262.88 102.62 160.26 3212.40 11813.28 09:12:01 AM 621.48 0.95 620.53 114.50 31875.84 09:13:01 AM 672.13 0.05 672.08 14.13 21632.24 09:14:01 AM 35.93 2.35 33.58 577.50 1931.49 Average: 396.71 27.35 369.36 981.78 16712.83 09:10:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 AM 13688704 15160364 2450744 15.18 2688 1691496 864424 5.03 161892 1964992 79852 09:11:01 AM 12829596 14844952 3309852 20.51 2688 2211740 1270872 7.39 212756 2685332 253004 09:12:01 AM 10876172 13959552 5263276 32.61 2688 3120792 2131588 12.40 256164 4246464 532556 09:13:01 AM 10364508 13458512 5774940 35.78 2688 3128048 2467280 14.35 264092 4694984 12 09:14:01 AM 11689036 14851608 4450412 27.57 2688 3192680 834184 4.85 479180 3166264 64692 Average: 11889603 14454998 4249845 26.33 2688 2668951 1513670 8.81 274817 3351607 186023 09:10:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM eth0 173.59 127.77 1933.22 24.57 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 2386.75 1816.21 2632.41 525.84 0.00 0.00 0.00 0.00 09:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM eth0 244.30 181.42 110.08 54.43 0.00 0.00 0.00 0.00 09:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 AM eth0 45.86 40.78 282.83 14.82 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 707.97 538.00 1231.52 153.90 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) 05/25/2026 _x86_64_ (4 CPU) 09:09:26 LINUX RESTART (4 CPU) 09:10:00 AM CPU %user %nice %system %iowait %steal %idle 09:10:01 AM all 21.48 0.95 32.07 1.26 0.00 44.23 09:10:01 AM 0 82.28 0.00 15.82 0.00 0.00 1.90 09:10:01 AM 1 0.62 2.50 60.62 4.38 0.00 31.87 09:10:01 AM 2 2.55 0.00 4.46 0.00 0.00 92.99 09:10:01 AM 3 0.63 1.27 46.84 0.63 0.00 50.63 09:11:01 AM all 21.27 0.85 19.71 1.59 0.11 56.46 09:11:01 AM 0 23.81 0.75 18.03 1.86 0.13 55.41 09:11:01 AM 1 30.20 0.79 19.93 1.27 0.12 47.70 09:11:01 AM 2 18.10 0.77 18.88 1.79 0.10 60.36 09:11:01 AM 3 12.98 1.07 22.00 1.46 0.10 62.39 09:12:01 AM all 28.64 0.00 11.36 1.96 0.12 57.92 09:12:01 AM 0 76.18 0.00 8.43 0.15 0.10 15.14 09:12:01 AM 1 11.65 0.00 12.11 3.75 0.12 72.38 09:12:01 AM 2 12.92 0.00 11.88 2.07 0.12 73.01 09:12:01 AM 3 13.33 0.00 13.05 1.87 0.14 71.62 09:13:01 AM all 31.74 0.00 2.38 2.24 0.09 63.55 09:13:01 AM 0 10.95 0.00 2.53 3.49 0.10 82.93 09:13:01 AM 1 10.95 0.00 2.60 3.42 0.08 82.95 09:13:01 AM 2 85.80 0.00 2.37 0.28 0.08 11.46 09:13:01 AM 3 19.16 0.00 2.01 1.77 0.10 76.96 09:14:01 AM all 27.83 0.00 2.23 0.17 0.11 69.66 09:14:01 AM 0 18.32 0.00 2.27 0.17 0.10 79.14 09:14:01 AM 1 28.58 0.00 2.29 0.18 0.13 68.81 09:14:01 AM 2 48.43 0.00 1.65 0.05 0.12 49.75 09:14:01 AM 3 15.98 0.00 2.73 0.28 0.08 80.92 Average: all 27.33 0.22 9.06 1.49 0.11 61.80 Average: 0 32.61 0.19 7.86 1.41 0.11 57.82 Average: 1 20.25 0.21 9.56 2.16 0.11 67.70 Average: 2 41.17 0.19 8.66 1.04 0.10 48.84 Average: 3 15.27 0.28 10.17 1.34 0.10 72.83