---> uname -a: Linux prd-centos8-docker-8c-8g-3445.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: 2799.998 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): 0-7 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1009 28278 20 2599 30425 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:a8:15:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.50/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fea8:157e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:df:c5:f6 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/20/2026 _x86_64_ (8 CPU) 05:17:34 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 219.76 10.46 209.30 1543.62 7560.11 05:20:01 AM 206.88 3.28 203.60 760.69 14962.10 05:21:01 AM 98.80 1.63 97.17 393.87 7451.47 Average: 175.15 5.13 170.02 899.38 9991.50 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29427020 31302892 3226352 9.88 2688 2194088 1416368 4.20 157328 2615940 348796 05:20:01 AM 27678580 29704800 4974792 15.24 2688 2337096 2757400 8.18 209376 4265960 85580 05:21:01 AM 29001900 31190000 3651472 11.18 2688 2494368 1460532 4.33 240892 2897740 42772 Average: 28702500 30732564 3950872 12.10 2688 2341851 1878100 5.57 202532 3259880 159049 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 219.66 137.17 1869.70 39.65 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 242.96 222.79 1805.41 65.59 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 219.93 191.29 1552.23 43.48 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 227.52 183.75 1742.45 49.57 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 09/20/2026 _x86_64_ (8 CPU) 05:17:34 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 11.18 0.00 1.34 0.54 0.00 86.93 05:19:01 AM 0 6.91 0.00 0.97 0.12 0.00 92.00 05:19:01 AM 1 5.97 0.00 0.75 0.45 0.00 92.82 05:19:01 AM 2 20.40 0.00 2.22 0.38 0.00 76.99 05:19:01 AM 3 10.32 0.00 1.07 0.32 0.02 88.28 05:19:01 AM 4 10.57 0.00 1.57 0.13 0.02 87.70 05:19:01 AM 5 9.30 0.00 0.72 0.18 0.00 89.80 05:19:01 AM 6 18.54 0.00 1.52 0.43 0.00 79.50 05:19:01 AM 7 7.40 0.00 1.91 2.32 0.00 88.37 05:20:01 AM all 31.95 0.00 1.80 0.53 0.02 65.70 05:20:01 AM 0 24.51 0.00 1.99 1.37 0.02 72.11 05:20:01 AM 1 40.84 0.00 2.09 0.80 0.03 56.23 05:20:01 AM 2 29.38 0.00 1.57 0.28 0.02 68.74 05:20:01 AM 3 28.48 0.00 2.06 0.25 0.02 69.19 05:20:01 AM 4 37.01 0.00 2.21 0.42 0.02 60.35 05:20:01 AM 5 25.10 0.00 1.34 0.40 0.02 73.15 05:20:01 AM 6 35.28 0.00 1.54 0.25 0.02 62.92 05:20:01 AM 7 35.00 0.00 1.60 0.45 0.02 62.93 05:21:01 AM all 39.59 0.00 2.02 0.27 0.01 58.11 05:21:01 AM 0 29.16 0.00 1.82 0.32 0.02 68.69 05:21:01 AM 1 43.19 0.00 2.02 0.22 0.00 54.57 05:21:01 AM 2 41.24 0.00 1.92 0.23 0.02 56.59 05:21:01 AM 3 45.35 0.00 2.39 0.32 0.00 51.94 05:21:01 AM 4 40.71 0.00 1.75 0.15 0.00 57.39 05:21:01 AM 5 40.17 0.00 2.23 0.45 0.02 57.14 05:21:01 AM 6 38.94 0.00 2.16 0.23 0.00 58.67 05:21:01 AM 7 37.96 0.00 1.89 0.22 0.00 59.93 Average: all 27.57 0.00 1.72 0.45 0.01 70.25 Average: 0 20.19 0.00 1.59 0.60 0.01 77.60 Average: 1 30.00 0.00 1.62 0.49 0.01 67.88 Average: 2 30.35 0.00 1.91 0.30 0.01 67.44 Average: 3 28.04 0.00 1.84 0.30 0.01 69.81 Average: 4 29.44 0.00 1.84 0.23 0.01 68.47 Average: 5 24.84 0.00 1.43 0.35 0.01 73.37 Average: 6 30.91 0.00 1.74 0.31 0.01 67.04 Average: 7 26.79 0.00 1.80 1.00 0.01 70.41