---> uname -a: Linux prd-centos8-docker-4c-4g-12966.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): 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: 2800.000 BogoMIPS: 5600.00 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 810 12045 19 2905 14613 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:9f:29:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.152/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe9f:2908/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:25:85:a1:7e 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) 08/16/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 184.44 14.90 169.54 3116.69 10779.89 01:25:01 PM 188.79 6.32 182.47 1081.55 17154.79 01:26:01 PM 29.17 1.47 27.71 91.84 685.25 Average: 134.13 7.56 126.57 1430.05 9539.56 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12716560 14822796 3422760 21.21 2688 2311840 1385264 8.06 188368 2836132 230464 01:25:01 PM 11267244 13645524 4872076 30.19 2688 2578856 3017092 17.55 255856 4187980 2368 01:26:01 PM 12345024 14981608 3794296 23.51 2688 2835316 1193048 6.94 529788 2840808 270276 Average: 12109609 14483309 4029711 24.97 2688 2575337 1865135 10.85 324671 3288307 167703 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 158.31 125.06 2055.21 27.55 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 13.01 13.01 3.55 3.55 0.00 0.00 0.00 0.00 01:25:01 PM eth0 384.09 257.06 3753.00 56.47 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 15.94 15.94 2.53 2.53 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.33 73.68 270.66 928.88 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.65 9.65 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 202.57 151.92 2026.19 337.65 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) 08/16/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.80 0.00 2.43 0.95 0.08 70.74 01:24:01 PM 0 34.65 0.00 3.57 1.00 0.07 60.70 01:24:01 PM 1 32.56 0.00 2.64 0.87 0.08 63.84 01:24:01 PM 2 19.14 0.00 1.87 1.07 0.07 77.85 01:24:01 PM 3 16.84 0.00 1.64 0.85 0.08 80.58 01:25:01 PM all 50.81 0.00 2.00 0.99 0.08 46.12 01:25:01 PM 0 47.69 0.00 1.70 0.70 0.08 49.82 01:25:01 PM 1 49.87 0.00 1.96 1.15 0.10 46.92 01:25:01 PM 2 61.30 0.00 1.42 1.15 0.08 36.04 01:25:01 PM 3 44.35 0.00 2.93 0.95 0.07 51.70 01:26:01 PM all 16.26 0.00 1.46 0.12 0.07 82.09 01:26:01 PM 0 20.86 0.00 2.29 0.20 0.07 76.59 01:26:01 PM 1 15.73 0.00 1.32 0.15 0.08 82.71 01:26:01 PM 2 12.28 0.00 1.00 0.08 0.07 86.56 01:26:01 PM 3 16.16 0.00 1.24 0.05 0.07 82.48 Average: all 30.96 0.00 1.97 0.69 0.08 66.31 Average: 0 34.40 0.00 2.52 0.63 0.07 62.37 Average: 1 32.72 0.00 1.97 0.72 0.09 64.50 Average: 2 30.92 0.00 1.43 0.77 0.07 66.81 Average: 3 25.78 0.00 1.93 0.62 0.07 71.59