---> uname -a: Linux prd-centos8-builder-2c-4g-7568.novalocal 4.18.0-529.el8.x86_64 #1 SMP Wed Dec 6 01:03:46 UTC 2023 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: 2800.000 BogoMIPS: 5600.00 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 1.8G 0 1.8G 0% /dev tmpfs 1.8G 0 1.8G 0% /dev/shm tmpfs 1.8G 17M 1.8G 1% /run tmpfs 1.8G 0 1.8G 0% /sys/fs/cgroup /dev/vda1 20G 9.1G 11G 46% / tmpfs 367M 0 367M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3665 500 1115 17 2050 2890 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:b5:5e:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.32.7.138/23 brd 10.32.7.255 scope global dynamic noprefixroute eth0 valid_lft 85896sec preferred_lft 85896sec inet6 fe80::f816:3eff:feb5:5eb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 02/26/2026 _x86_64_ (2 CPU) 03:03:50 LINUX RESTART (2 CPU) 03:04:02 AM tps rtps wtps bread/s bwrtn/s 03:05:01 AM 252.00 182.17 69.83 15044.70 38155.37 03:06:01 AM 51.17 0.43 50.73 11.73 5631.06 03:07:01 AM 69.84 0.45 69.39 52.78 8525.79 03:08:01 AM 33.52 0.08 33.44 1.87 4118.99 03:09:01 AM 18.61 0.27 18.34 41.85 497.57 03:10:01 AM 12.86 0.00 12.86 0.00 361.91 03:11:01 AM 15.69 0.72 14.97 31.04 571.26 03:12:01 AM 18.48 0.38 18.10 38.66 538.78 Average: 58.63 22.74 35.89 1876.42 7238.00 03:04:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:05:01 AM 1591044 3035960 2162632 57.61 2104 1625348 638004 13.29 133380 1785996 59768 03:06:01 AM 1355188 3018148 2398488 63.90 2104 1830672 615772 12.82 144940 1961752 151424 03:07:01 AM 1229808 3001904 2523868 67.24 2104 1933904 611908 12.74 147540 2060192 58420 03:08:01 AM 1035316 2891872 2718360 72.42 2104 2018116 722212 15.04 179100 2219528 54024 03:09:01 AM 1086948 2936444 2666728 71.04 2104 2010948 671504 13.98 216496 2132476 44808 03:10:01 AM 1166948 2979264 2586728 68.91 2104 1973628 630492 13.13 213676 2054488 7440 03:11:01 AM 1194316 3007692 2559360 68.18 2104 1974560 601048 12.52 397984 1842820 7508 03:12:01 AM 1188184 3005804 2565492 68.35 2104 1978320 601992 12.54 397868 1848088 20340 Average: 1230969 2984636 2522707 67.21 2104 1918187 636616 13.26 228873 1988168 50466 03:04:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 176.97 101.95 783.11 55.80 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 71.38 55.46 828.55 5.72 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 27.81 24.86 235.40 5.48 0.00 0.00 0.00 0.00 03:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 AM eth0 43.20 37.22 637.52 6.98 0.00 0.00 0.00 0.00 03:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 AM eth0 13.91 15.19 18.09 5.95 0.00 0.00 0.00 0.00 03:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 AM eth0 8.38 9.63 6.66 3.72 0.00 0.00 0.00 0.00 03:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 AM eth0 16.95 16.15 17.55 6.51 0.00 0.00 0.00 0.00 03:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 AM eth0 11.75 12.83 9.18 12.77 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 46.03 34.03 316.06 12.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 02/26/2026 _x86_64_ (2 CPU) 03:03:50 LINUX RESTART (2 CPU) 03:04:02 AM CPU %user %nice %system %iowait %steal %idle 03:05:01 AM all 42.05 0.04 13.22 13.70 3.81 27.17 03:05:01 AM 0 47.22 0.05 11.94 15.23 3.71 21.85 03:05:01 AM 1 36.88 0.03 14.51 12.18 3.90 32.50 03:06:01 AM all 35.45 0.00 4.19 1.96 4.39 54.00 03:06:01 AM 0 41.47 0.00 4.70 2.44 4.12 47.28 03:06:01 AM 1 29.48 0.00 3.68 1.49 4.67 60.68 03:07:01 AM all 34.25 0.00 4.20 2.62 4.11 54.82 03:07:01 AM 0 20.76 0.00 3.48 3.17 4.20 68.39 03:07:01 AM 1 47.89 0.00 4.94 2.06 4.01 41.10 03:08:01 AM all 35.87 0.00 2.75 0.88 3.17 57.34 03:08:01 AM 0 47.62 0.00 2.44 0.71 2.87 46.36 03:08:01 AM 1 24.23 0.00 3.05 1.04 3.46 68.21 03:09:01 AM all 34.23 0.00 2.68 0.44 2.66 59.99 03:09:01 AM 0 47.83 0.00 3.54 0.43 2.53 45.66 03:09:01 AM 1 20.75 0.00 1.82 0.44 2.79 74.19 03:10:01 AM all 33.82 0.00 2.50 0.23 2.12 61.32 03:10:01 AM 0 39.21 0.00 3.00 0.15 1.77 55.87 03:10:01 AM 1 28.47 0.00 2.01 0.31 2.47 66.74 03:11:01 AM all 34.38 0.00 3.24 0.42 2.50 59.45 03:11:01 AM 0 44.89 0.00 3.87 0.45 2.36 48.43 03:11:01 AM 1 23.95 0.00 2.63 0.39 2.64 70.39 03:12:01 AM all 39.37 0.00 3.35 0.30 3.08 53.90 03:12:01 AM 0 64.77 0.00 4.99 0.33 2.93 26.98 03:12:01 AM 1 14.41 0.00 1.74 0.26 3.23 80.35 Average: all 36.16 0.01 4.49 2.53 3.23 53.58 Average: 0 44.14 0.01 4.72 2.83 3.07 45.23 Average: 1 28.22 0.00 4.26 2.24 3.40 61.89