---> uname -a: Linux prd-centos8-docker-4c-4g-5374.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 817 12042 19 2901 14606 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:31:c4:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe31:c4b9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0a:9e:8f:ce 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) 05/30/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 170.97 15.22 155.75 3277.00 10545.04 01:25:01 PM 198.62 6.16 192.45 1054.85 17293.25 01:26:01 PM 23.68 0.50 23.18 17.06 465.44 Average: 130.87 7.25 123.62 1439.41 9428.81 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12829468 14925220 3309852 20.51 2688 2302372 1481228 8.62 186132 2729560 229412 01:25:01 PM 11386572 13759920 4752748 29.45 2688 2574108 2346352 13.65 254672 4071776 2368 01:26:01 PM 12373200 14986584 3766120 23.34 2688 2812668 1181672 6.88 349048 2993928 246304 Average: 12196413 14557241 3942907 24.43 2688 2563049 1669751 9.71 263284 3265088 159361 01:23:02 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 155.60 116.73 2039.88 27.79 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 12.46 12.46 3.50 3.50 0.00 0.00 0.00 0.00 01:25:01 PM eth0 344.07 238.25 3793.96 53.10 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 18.10 18.10 2.74 2.74 0.00 0.00 0.00 0.00 01:26:01 PM eth0 64.66 58.02 274.26 25.14 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 10.24 10.24 2.09 2.09 0.00 0.00 0.00 0.00 Average: eth0 188.30 137.79 2036.11 35.38 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/30/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.82 0.00 2.31 4.04 0.09 69.74 01:24:01 PM 0 26.79 0.00 2.23 4.37 0.10 66.52 01:24:01 PM 1 29.21 0.00 2.87 7.24 0.10 60.57 01:24:01 PM 2 24.03 0.00 2.45 1.53 0.07 71.92 01:24:01 PM 3 15.22 0.00 1.70 3.03 0.09 79.96 01:25:01 PM all 51.55 0.00 2.25 3.96 0.10 42.13 01:25:01 PM 0 53.36 0.00 3.27 8.70 0.10 34.57 01:25:01 PM 1 60.37 0.00 1.40 0.83 0.10 37.30 01:25:01 PM 2 53.57 0.00 2.26 3.66 0.12 40.40 01:25:01 PM 3 38.87 0.00 2.07 2.66 0.10 56.29 01:26:01 PM all 12.43 0.00 1.10 2.25 0.06 84.16 01:26:01 PM 0 13.71 0.00 0.55 0.97 0.05 84.72 01:26:01 PM 1 14.55 0.00 1.65 1.44 0.08 82.27 01:26:01 PM 2 11.19 0.00 1.04 0.00 0.05 87.73 01:26:01 PM 3 10.26 0.00 1.17 6.59 0.07 81.91 Average: all 29.30 0.00 1.89 3.41 0.09 65.31 Average: 0 31.32 0.00 2.02 4.68 0.08 61.91 Average: 1 34.76 0.00 1.97 3.15 0.10 60.03 Average: 2 29.62 0.00 1.91 1.73 0.08 66.66 Average: 3 21.49 0.00 1.65 4.10 0.08 72.68