---> uname -a: Linux prd-centos8-builder-2c-4g-7312.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 489 1057 17 2118 2899 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:36:2a:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.32.7.70/23 brd 10.32.7.255 scope global dynamic noprefixroute eth0 valid_lft 85879sec preferred_lft 85879sec inet6 fe80::f816:3eff:fe36:2ab7/64 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) 08/02/2026 _x86_64_ (2 CPU) 03:03:44 LINUX RESTART (2 CPU) 03:04:02 AM tps rtps wtps bread/s bwrtn/s 03:05:01 AM 194.78 116.08 78.71 11821.38 39604.25 03:06:01 AM 72.61 0.13 72.48 5.60 7984.04 03:07:01 AM 50.07 0.62 49.45 67.67 7843.79 03:08:01 AM 29.10 0.05 29.05 1.33 2952.59 03:09:01 AM 18.33 0.27 18.07 41.82 495.89 03:10:01 AM 17.47 0.00 17.47 0.00 615.26 03:11:01 AM 16.96 0.63 16.32 20.79 589.99 03:12:01 AM 17.33 0.47 16.86 48.92 487.97 Average: 51.78 14.57 37.21 1479.32 7504.65 03:04:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:05:01 AM 1512220 3004740 2241456 59.71 2104 1671172 675280 14.06 141980 1848376 62604 03:06:01 AM 1239880 2962996 2513796 66.97 2104 1890448 667028 13.89 145780 2064768 85580 03:07:01 AM 1129960 2968812 2623716 69.90 2104 1998316 641904 13.37 148564 2149548 24864 03:08:01 AM 990016 2907948 2763660 73.63 2104 2076916 705248 14.69 177884 2258996 47064 03:09:01 AM 1023164 2934576 2730512 72.74 2104 2070408 680440 14.17 216368 2187200 39320 03:10:01 AM 1105260 2984920 2648416 70.56 2104 2038620 627360 13.06 214200 2107164 7476 03:11:01 AM 1087088 2967388 2666588 71.04 2104 2039208 643920 13.41 214864 2123920 7476 03:12:01 AM 1105076 2988416 2648600 70.56 2104 2042112 624728 13.01 400344 1921592 8784 Average: 1149083 2964974 2604593 69.39 2104 1978400 658238 13.71 207498 2082696 35396 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 228.87 127.38 1102.67 57.76 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 83.17 68.98 881.70 7.54 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 6.99 7.49 6.09 3.31 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 45.28 38.68 656.11 6.54 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 12.47 13.54 13.14 5.46 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 8.01 9.50 6.74 3.96 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 11.39 11.86 9.89 3.88 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 17.51 15.19 18.04 12.11 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 51.34 36.38 335.13 12.47 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) 08/02/2026 _x86_64_ (2 CPU) 03:03:44 LINUX RESTART (2 CPU) 03:04:02 AM CPU %user %nice %system %iowait %steal %idle 03:05:01 AM all 45.44 0.04 10.28 9.37 1.74 33.12 03:05:01 AM 0 46.49 0.07 8.03 8.35 1.60 35.47 03:05:01 AM 1 44.39 0.02 12.53 10.40 1.89 30.77 03:06:01 AM all 38.06 0.00 3.85 1.95 1.19 54.95 03:06:01 AM 0 46.33 0.00 4.83 2.19 1.27 45.38 03:06:01 AM 1 29.81 0.00 2.87 1.70 1.12 64.50 03:07:01 AM all 34.86 0.00 4.06 1.33 1.43 58.32 03:07:01 AM 0 54.76 0.00 5.65 1.26 1.66 36.66 03:07:01 AM 1 14.96 0.00 2.47 1.40 1.20 79.97 03:08:01 AM all 38.42 0.00 2.42 0.99 1.50 56.67 03:08:01 AM 0 50.11 0.00 2.36 0.91 1.75 44.87 03:08:01 AM 1 26.70 0.00 2.48 1.07 1.25 68.50 03:09:01 AM all 38.31 0.00 2.78 0.51 1.35 57.05 03:09:01 AM 0 43.78 0.00 2.78 0.48 1.42 51.53 03:09:01 AM 1 32.83 0.00 2.77 0.53 1.28 62.58 03:10:01 AM all 34.84 0.00 2.15 0.31 1.96 60.75 03:10:01 AM 0 35.47 0.00 1.90 0.38 1.99 60.26 03:10:01 AM 1 34.20 0.00 2.39 0.23 1.94 61.24 03:11:01 AM all 35.58 0.00 2.65 0.37 1.57 59.82 03:11:01 AM 0 38.59 0.00 2.25 0.43 1.43 57.29 03:11:01 AM 1 32.58 0.00 3.05 0.32 1.71 62.35 03:12:01 AM all 37.02 0.00 3.41 0.49 1.64 57.44 03:12:01 AM 0 23.56 0.00 3.00 0.48 1.64 71.32 03:12:01 AM 1 50.58 0.00 3.82 0.50 1.63 43.47 Average: all 37.79 0.01 3.93 1.89 1.55 54.83 Average: 0 42.36 0.01 3.84 1.79 1.59 50.40 Average: 1 33.22 0.00 4.02 1.99 1.50 59.26