---> uname -a: Linux prd-centos8-docker-4c-4g-100.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 9.9G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 762 12316 19 2684 14667 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:99:0c:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.53/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe99:c61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:89:04:b7:1e 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) 12/19/2025 _x86_64_ (4 CPU) 11:12:00 LINUX RESTART (4 CPU) 11:13:02 AM tps rtps wtps bread/s bwrtn/s 11:14:01 AM 238.36 14.44 223.92 3089.53 11329.89 11:15:01 AM 80.64 6.23 74.40 1056.62 11625.75 11:16:01 AM 32.76 0.87 31.89 74.64 755.46 Average: 116.58 7.14 109.44 1397.55 7884.36 11:13:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:14:01 AM 12680664 14827092 3460868 21.44 2688 2352064 1334892 7.77 158600 2903620 294616 11:15:01 AM 11569304 13782316 4572228 28.33 2688 2417136 2276828 13.24 242912 3915320 1092 11:16:01 AM 12635504 15040248 3506028 21.72 2688 2606684 1119544 6.51 515492 2579296 206716 Average: 12295157 14549885 3846375 23.83 2688 2458628 1577088 9.17 305668 3132745 167475 11:13:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 AM eth0 367.91 259.40 4320.94 39.17 0.00 0.00 0.00 0.00 11:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:01 AM lo 23.61 23.61 4.89 4.89 0.00 0.00 0.00 0.00 11:15:01 AM eth0 100.03 53.89 481.07 32.51 0.00 0.00 0.00 0.00 11:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM lo 5.51 5.51 1.20 1.20 0.00 0.00 0.00 0.00 11:16:01 AM eth0 53.72 48.48 275.46 25.10 0.00 0.00 0.00 0.00 11:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.76 9.76 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 172.81 119.82 1677.88 32.22 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) 12/19/2025 _x86_64_ (4 CPU) 11:12:00 LINUX RESTART (4 CPU) 11:13:02 AM CPU %user %nice %system %iowait %steal %idle 11:14:01 AM all 23.00 0.00 2.52 2.56 0.14 71.78 11:14:01 AM 0 24.27 0.00 2.35 2.62 0.10 70.66 11:14:01 AM 1 12.56 0.00 2.10 4.23 0.15 80.97 11:14:01 AM 2 30.72 0.00 3.19 1.37 0.19 64.54 11:14:01 AM 3 24.47 0.00 2.45 2.03 0.12 70.93 11:15:01 AM all 48.16 0.00 1.50 1.04 0.11 49.19 11:15:01 AM 0 35.40 0.00 1.42 2.12 0.12 60.94 11:15:01 AM 1 57.68 0.00 0.79 0.15 0.12 41.27 11:15:01 AM 2 45.98 0.00 2.39 1.25 0.12 50.26 11:15:01 AM 3 53.56 0.00 1.42 0.63 0.10 44.29 11:16:01 AM all 18.10 0.00 1.44 0.13 0.10 80.23 11:16:01 AM 0 14.64 0.00 1.22 0.07 0.08 83.99 11:16:01 AM 1 13.81 0.00 1.35 0.15 0.08 84.60 11:16:01 AM 2 15.23 0.00 1.12 0.05 0.12 83.48 11:16:01 AM 3 28.71 0.00 2.05 0.27 0.10 68.87 Average: all 29.79 0.00 1.82 1.24 0.12 67.04 Average: 0 24.76 0.00 1.66 1.60 0.10 71.88 Average: 1 28.12 0.00 1.41 1.49 0.12 68.86 Average: 2 30.63 0.00 2.23 0.89 0.14 66.11 Average: 3 35.65 0.00 1.97 0.97 0.11 61.30