---> uname -a: Linux prd-centos8-docker-4c-4g-5358.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: 2799.996 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 813 12039 19 2908 14610 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:4f:1d:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.250/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe4f:1dc8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f3:8f:5e:c6 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) 07/05/2026 _x86_64_ (4 CPU) 13:23:05 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 273.18 14.98 258.20 3221.33 16464.75 01:26:01 PM 70.66 6.11 64.55 1054.85 9505.05 01:27:01 PM 38.91 3.15 35.76 140.11 827.83 Average: 127.59 8.08 119.51 1472.17 8932.99 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12433760 14768692 3705560 22.96 2688 2536836 1409400 8.20 196204 3093676 255416 01:26:01 PM 11325380 13707164 4813940 29.83 2688 2582380 2697988 15.70 256004 4130160 1624 01:27:01 PM 12322372 14954852 3816948 23.65 2688 2830680 1206208 7.02 531968 2861180 262416 Average: 12027171 14476903 4112149 25.48 2688 2649965 1771199 10.30 328059 3361672 173152 01:24:01 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 410.20 294.80 4983.12 49.62 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 22.33 22.33 4.58 4.58 0.00 0.00 0.00 0.00 01:26:01 PM eth0 89.30 45.80 160.19 32.19 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 6.97 6.97 1.52 1.52 0.00 0.00 0.00 0.00 01:27:01 PM eth0 64.17 72.02 275.82 926.59 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 9.76 9.76 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 187.90 137.55 1806.46 336.10 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) 07/05/2026 _x86_64_ (4 CPU) 13:23:05 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 27.05 0.00 2.91 1.67 0.10 68.26 01:25:01 PM 0 22.66 0.00 3.38 2.42 0.10 71.44 01:25:01 PM 1 37.30 0.00 3.75 1.54 0.12 57.29 01:25:01 PM 2 23.67 0.00 1.87 1.07 0.10 73.29 01:25:01 PM 3 24.59 0.00 2.64 1.66 0.10 71.01 01:26:01 PM all 48.21 0.00 1.32 0.43 0.10 49.95 01:26:01 PM 0 50.23 0.00 1.47 1.09 0.10 47.11 01:26:01 PM 1 38.59 0.00 2.29 0.45 0.12 58.55 01:26:01 PM 2 56.15 0.00 0.77 0.03 0.08 42.96 01:26:01 PM 3 47.84 0.00 0.73 0.15 0.10 51.18 01:27:01 PM all 18.36 0.00 1.54 0.14 0.07 79.90 01:27:01 PM 0 26.84 0.00 2.52 0.35 0.08 70.21 01:27:01 PM 1 14.58 0.00 1.27 0.05 0.05 84.05 01:27:01 PM 2 11.91 0.00 0.97 0.08 0.07 86.97 01:27:01 PM 3 20.07 0.00 1.39 0.08 0.07 78.39 Average: all 31.21 0.00 1.92 0.75 0.09 66.03 Average: 0 33.24 0.00 2.46 1.29 0.09 62.92 Average: 1 30.15 0.00 2.44 0.68 0.09 66.63 Average: 2 30.60 0.00 1.20 0.40 0.08 67.72 Average: 3 30.84 0.00 1.59 0.63 0.09 66.86