---> uname -a: Linux prd-centos8-docker-8c-8g-4195.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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): 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 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1012 28419 19 2458 30428 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:2f:7e:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.236/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe2f:7e0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3d:68:a3:bf 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/30/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 102.20 6.35 95.85 989.77 6261.72 05:20:01 AM 219.48 3.20 216.28 799.60 11940.28 05:21:01 AM 97.18 1.63 95.55 393.87 7163.58 Average: 139.83 3.71 136.11 726.28 8467.25 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29539724 31270188 3115988 9.54 2688 2049880 1959424 5.81 141780 2532516 231124 05:20:01 AM 27204624 29093476 5451088 16.69 2688 2200888 3665432 10.88 206932 4753652 70236 05:21:01 AM 29070500 31118324 3585212 10.98 2688 2355156 1496576 4.44 238476 2845696 48640 Average: 28604949 30493996 4050763 12.40 2688 2201975 2373811 7.04 195729 3377288 116667 05:18:02 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 87.00 60.89 1307.69 11.55 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 285.07 254.34 1690.95 59.30 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 220.76 174.39 1563.67 42.48 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 198.22 163.78 1521.95 37.92 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/30/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.34 0.00 0.87 1.47 0.04 88.27 05:19:01 AM 0 2.75 0.00 0.48 0.22 0.05 96.50 05:19:01 AM 1 13.02 0.00 1.24 0.48 0.03 85.23 05:19:01 AM 2 7.77 0.00 0.73 1.78 0.05 89.66 05:19:01 AM 3 9.30 0.00 0.56 1.60 0.05 88.49 05:19:01 AM 4 16.25 0.00 1.58 0.93 0.03 81.20 05:19:01 AM 5 10.19 0.00 0.92 0.56 0.03 88.30 05:19:01 AM 6 13.67 0.00 1.29 1.12 0.03 83.89 05:19:01 AM 7 1.75 0.00 0.20 5.09 0.03 92.92 05:20:01 AM all 35.89 0.00 1.72 0.86 0.09 61.44 05:20:01 AM 0 33.21 0.00 1.45 0.50 0.10 64.74 05:20:01 AM 1 30.98 0.00 1.71 0.35 0.10 66.86 05:20:01 AM 2 48.21 0.00 1.81 0.45 0.12 49.41 05:20:01 AM 3 24.25 0.00 1.73 0.69 0.08 73.25 05:20:01 AM 4 33.27 0.00 2.03 2.83 0.08 61.79 05:20:01 AM 5 43.57 0.00 1.52 0.50 0.08 54.33 05:20:01 AM 6 35.01 0.00 1.89 0.60 0.08 62.42 05:20:01 AM 7 38.60 0.00 1.62 0.97 0.08 58.72 05:21:01 AM all 37.07 0.00 1.67 0.32 0.09 60.85 05:21:01 AM 0 30.78 0.00 1.35 0.35 0.08 67.44 05:21:01 AM 1 42.06 0.00 1.82 0.23 0.08 55.80 05:21:01 AM 2 41.00 0.00 2.21 0.35 0.10 56.35 05:21:01 AM 3 33.95 0.00 1.87 0.54 0.08 63.56 05:21:01 AM 4 56.71 0.00 1.75 0.13 0.12 41.29 05:21:01 AM 5 30.84 0.00 1.10 0.50 0.08 67.47 05:21:01 AM 6 34.33 0.00 1.71 0.17 0.07 63.73 05:21:01 AM 7 26.85 0.00 1.54 0.32 0.08 71.21 Average: all 27.52 0.00 1.42 0.88 0.07 70.10 Average: 0 22.36 0.00 1.10 0.36 0.08 76.11 Average: 1 28.77 0.00 1.59 0.35 0.07 69.21 Average: 2 32.45 0.00 1.58 0.86 0.09 65.02 Average: 3 22.56 0.00 1.39 0.94 0.07 75.04 Average: 4 35.52 0.00 1.79 1.30 0.08 61.32 Average: 5 28.29 0.00 1.18 0.52 0.07 69.94 Average: 6 27.73 0.00 1.63 0.63 0.06 69.95 Average: 7 22.51 0.00 1.13 2.11 0.07 74.19