---> uname -a: Linux prd-centos8-docker-4c-4g-18469.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: 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 802 12057 19 2901 14620 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:18:db:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.244/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe18:dbc7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:b6:97:09 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) 06/20/2026 _x86_64_ (4 CPU) 13:23:02 LINUX RESTART (4 CPU) 01:24:02 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 286.62 19.02 267.60 4024.80 16850.30 01:26:01 PM 50.91 2.52 48.39 236.76 8755.92 01:27:01 PM 56.76 3.17 53.60 140.22 9551.75 Average: 130.59 8.18 122.41 1453.33 11691.41 01:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11769704 14132884 4369608 27.07 2688 2564312 2307544 13.43 223412 3725276 244792 01:26:01 PM 11167276 13541136 4972036 30.81 2688 2574672 2773000 16.13 254580 4289580 916 01:27:01 PM 12372800 14997684 3766512 23.34 2688 2823052 1162788 6.77 538532 2802648 8484 Average: 11769927 14223901 4369385 27.07 2688 2654012 2081111 12.11 338841 3605835 84731 01:24:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 460.59 326.36 5093.75 65.37 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 25.00 25.00 5.07 5.07 0.00 0.00 0.00 0.00 01:26:01 PM eth0 30.26 18.96 10.66 18.13 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 01:27:01 PM lo 4.07 4.07 1.02 1.02 0.00 0.00 0.00 0.00 01:27:01 PM eth0 71.26 76.22 283.48 930.09 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.74 9.74 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 185.88 139.50 1778.02 339.37 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) 06/20/2026 _x86_64_ (4 CPU) 13:23:02 LINUX RESTART (4 CPU) 01:24:02 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 39.41 0.00 3.06 1.48 0.10 55.95 01:25:01 PM 0 31.14 0.00 2.51 0.97 0.08 65.29 01:25:01 PM 1 42.79 0.00 3.23 2.23 0.10 51.65 01:25:01 PM 2 41.74 0.00 4.60 1.87 0.10 51.69 01:25:01 PM 3 41.97 0.00 1.90 0.87 0.10 55.16 01:26:01 PM all 30.83 0.00 0.77 0.29 0.06 68.04 01:26:01 PM 0 22.04 0.00 1.32 0.82 0.07 75.75 01:26:01 PM 1 38.79 0.00 0.22 0.00 0.05 60.94 01:26:01 PM 2 29.92 0.00 1.10 0.08 0.07 68.83 01:26:01 PM 3 32.57 0.00 0.45 0.25 0.07 66.67 01:27:01 PM all 21.99 0.00 1.92 0.30 0.06 75.73 01:27:01 PM 0 15.40 0.00 1.87 0.30 0.07 82.36 01:27:01 PM 1 17.26 0.00 1.90 0.15 0.05 80.64 01:27:01 PM 2 33.59 0.00 1.99 0.10 0.07 64.25 01:27:01 PM 3 21.71 0.00 1.92 0.63 0.05 75.69 Average: all 30.69 0.00 1.91 0.68 0.07 66.64 Average: 0 22.82 0.00 1.90 0.69 0.07 74.52 Average: 1 32.89 0.00 1.77 0.78 0.07 64.48 Average: 2 35.04 0.00 2.55 0.68 0.08 61.65 Average: 3 32.02 0.00 1.42 0.58 0.07 65.90