---> uname -a: Linux prd-centos8-docker-8c-8g-13563.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.934 BogoMIPS: 5599.86 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1067 26377 19 4442 30351 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:d9:4f:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fed9:4f0c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:93:5e:c6:cb brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:93ff:fe5e:c6cb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/19/2026 _x86_64_ (8 CPU) 02:29:00 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 271.38 17.29 254.08 3742.75 16163.00 02:32:01 AM 169.72 16.13 153.59 1504.71 40196.82 02:33:01 AM 80.91 3.73 77.17 4651.25 25463.31 Average: 174.00 12.38 161.61 3299.47 27275.09 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28351572 30666212 4301800 13.17 2688 2625100 1841300 5.46 213864 3596556 313920 02:32:01 AM 26029436 29237248 6623936 20.29 2688 3499976 5288172 15.69 443160 5608696 196 02:33:01 AM 26976120 31046188 5677252 17.39 2688 4356640 1560244 4.63 877612 4226960 6012 Average: 27119043 30316549 5534329 16.95 2688 3493905 2896572 8.59 511545 4477404 106709 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 522.86 396.22 6052.85 68.63 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 3.73 3.73 0.41 0.41 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1552.16 411.74 7222.53 39.79 0.00 0.00 0.00 0.00 02:32:01 AM docker0 1.52 1.92 0.21 0.22 0.00 0.00 0.00 0.00 02:32:01 AM veth866ff01 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 02:33:01 AM lo 8.31 8.31 0.86 0.86 0.00 0.00 0.00 0.00 02:33:01 AM eth0 151.20 155.30 1386.02 1251.71 0.00 0.00 0.00 0.00 02:33:01 AM docker0 2.85 3.48 0.41 0.41 0.00 0.00 0.00 0.00 Average: lo 4.02 4.02 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 742.12 321.09 4887.26 453.36 0.00 0.00 0.00 0.00 Average: docker0 1.45 1.80 0.21 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/19/2026 _x86_64_ (8 CPU) 02:29:00 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 18.54 0.00 1.63 0.76 0.07 79.00 02:31:01 AM 0 8.45 0.00 0.84 0.30 0.08 90.33 02:31:01 AM 1 31.89 0.00 2.00 0.82 0.07 65.22 02:31:01 AM 2 29.80 0.00 1.60 1.19 0.07 67.35 02:31:01 AM 3 16.79 0.00 2.36 1.07 0.08 79.69 02:31:01 AM 4 11.91 0.00 1.30 0.60 0.07 86.12 02:31:01 AM 5 20.26 0.00 1.62 0.87 0.05 77.19 02:31:01 AM 6 14.53 0.00 1.82 0.40 0.05 83.20 02:31:01 AM 7 14.69 0.00 1.46 0.82 0.08 82.95 02:32:01 AM all 27.96 0.21 2.85 0.72 0.09 68.18 02:32:01 AM 0 38.70 0.02 3.00 0.19 0.10 58.00 02:32:01 AM 1 27.10 0.03 2.29 0.49 0.08 70.01 02:32:01 AM 2 15.91 1.58 2.69 0.76 0.08 78.98 02:32:01 AM 3 12.79 0.00 3.09 1.96 0.08 82.07 02:32:01 AM 4 30.61 0.02 2.63 0.42 0.08 66.25 02:32:01 AM 5 36.10 0.02 2.91 0.64 0.08 60.25 02:32:01 AM 6 27.46 0.00 3.59 1.29 0.10 67.56 02:32:01 AM 7 34.92 0.02 2.63 0.03 0.07 62.34 02:33:01 AM all 19.82 0.05 2.00 0.37 0.07 77.70 02:33:01 AM 0 8.63 0.02 1.87 0.22 0.08 89.18 02:33:01 AM 1 30.14 0.37 2.19 0.10 0.07 67.13 02:33:01 AM 2 32.49 0.00 2.51 0.20 0.07 64.74 02:33:01 AM 3 14.56 0.02 1.61 0.07 0.07 83.68 02:33:01 AM 4 16.06 0.00 2.08 0.18 0.07 81.61 02:33:01 AM 5 14.25 0.00 2.49 1.91 0.08 81.27 02:33:01 AM 6 11.61 0.02 1.59 0.23 0.05 86.50 02:33:01 AM 7 30.82 0.02 1.62 0.03 0.05 67.46 Average: all 22.09 0.09 2.16 0.62 0.07 74.97 Average: 0 18.55 0.01 1.90 0.23 0.09 79.21 Average: 1 29.72 0.13 2.16 0.47 0.07 67.45 Average: 2 26.08 0.52 2.27 0.71 0.07 70.34 Average: 3 14.72 0.01 2.35 1.03 0.08 81.81 Average: 4 19.50 0.01 2.00 0.40 0.07 78.01 Average: 5 23.52 0.01 2.34 1.14 0.07 72.92 Average: 6 17.82 0.01 2.33 0.64 0.07 79.14 Average: 7 26.80 0.01 1.90 0.30 0.07 70.93