---> uname -a: Linux prd-centos8-docker-4c-4g-548.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 814 12123 19 2824 14614 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:d1:ff:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.144/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fed1:ff96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:66:22:45:14 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) 05/18/2026 _x86_64_ (4 CPU) 01:51:11 LINUX RESTART (4 CPU) 01:52:01 AM tps rtps wtps bread/s bwrtn/s 01:53:01 AM 219.04 14.73 204.32 3100.30 14442.29 01:54:01 AM 139.44 6.25 133.19 1080.09 10286.99 01:55:01 AM 29.34 0.90 28.44 68.11 562.88 Average: 129.28 7.29 121.98 1416.18 8430.61 01:52:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 AM 12766940 14799344 3374592 20.91 2688 2239516 1387220 8.07 184164 2794576 42332 01:54:01 AM 11204508 13503580 4937024 30.59 2688 2502196 2623288 15.26 250444 4269660 2000 01:55:01 AM 12388432 14936380 3753100 23.25 2688 2748596 1218300 7.09 519876 2819244 263312 Average: 12119960 14413101 4021572 24.91 2688 2496769 1742936 10.14 318161 3294493 102548 01:52:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM eth0 148.08 115.01 1472.22 26.08 0.00 0.00 0.00 0.00 01:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM lo 21.05 21.05 4.46 4.46 0.00 0.00 0.00 0.00 01:54:01 AM eth0 309.67 218.10 3693.53 52.38 0.00 0.00 0.00 0.00 01:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 AM lo 8.06 8.06 1.63 1.63 0.00 0.00 0.00 0.00 01:55:01 AM eth0 57.25 51.77 276.43 18.69 0.00 0.00 0.00 0.00 01:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.70 9.70 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 171.66 128.29 1813.96 32.38 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) 05/18/2026 _x86_64_ (4 CPU) 01:51:11 LINUX RESTART (4 CPU) 01:52:01 AM CPU %user %nice %system %iowait %steal %idle 01:53:01 AM all 23.87 0.00 2.40 2.04 0.10 71.59 01:53:01 AM 0 33.62 0.00 3.92 3.91 0.12 58.44 01:53:01 AM 1 17.87 0.00 1.96 0.89 0.10 79.18 01:53:01 AM 2 19.98 0.00 1.81 1.99 0.08 76.14 01:53:01 AM 3 23.99 0.00 1.91 1.37 0.10 72.63 01:54:01 AM all 51.52 0.00 1.95 0.77 0.10 45.65 01:54:01 AM 0 57.29 0.00 2.12 0.92 0.10 39.57 01:54:01 AM 1 53.91 0.00 1.72 0.08 0.12 44.17 01:54:01 AM 2 40.06 0.00 2.03 1.39 0.10 56.43 01:54:01 AM 3 54.81 0.00 1.94 0.69 0.10 42.46 01:55:01 AM all 15.49 0.00 1.31 0.10 0.06 83.03 01:55:01 AM 0 16.66 0.00 1.02 0.07 0.05 82.21 01:55:01 AM 1 16.87 0.00 1.32 0.10 0.07 81.65 01:55:01 AM 2 13.17 0.00 1.59 0.18 0.05 85.01 01:55:01 AM 3 15.27 0.00 1.32 0.07 0.07 83.27 Average: all 30.29 0.00 1.89 0.97 0.09 66.76 Average: 0 35.85 0.00 2.35 1.63 0.09 60.07 Average: 1 29.55 0.00 1.67 0.36 0.09 68.33 Average: 2 24.39 0.00 1.81 1.19 0.08 72.54 Average: 3 31.36 0.00 1.72 0.71 0.09 66.12