---> uname -a: Linux prd-centos8-docker-4c-4g-3307.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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: 15761 769 12088 20 2902 14652 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:6b:73:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.8/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe6b:737e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:42:42:8c:90 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) 09/19/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 187.78 9.17 178.62 3016.74 6827.82 01:25:01 PM 276.69 18.16 258.53 2646.72 20248.48 01:26:01 PM 28.03 0.52 27.51 16.53 2935.89 Average: 164.04 9.28 154.76 1887.16 10022.20 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13086256 15107688 3053060 18.92 2688 2230708 1056616 6.15 147672 2526060 343344 01:25:01 PM 11584044 13956572 4555272 28.22 2688 2574172 2143312 12.47 247912 3876980 76684 01:26:01 PM 11334828 13710936 4804488 29.77 2688 2577620 2359164 13.73 254712 4121156 1460 Average: 12001709 14258399 4137607 25.64 2688 2460833 1853031 10.78 216765 3508065 140496 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 178.40 112.94 1918.21 36.99 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 3.78 3.78 0.40 0.40 0.00 0.00 0.00 0.00 01:25:01 PM eth0 424.24 300.82 4135.05 74.55 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 25.13 25.13 5.68 5.68 0.00 0.00 0.00 0.00 01:26:01 PM eth0 24.08 15.26 9.71 19.74 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 9.69 9.69 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 209.09 143.18 2021.68 43.80 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) 09/19/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 20.27 0.00 2.48 1.18 0.03 76.05 01:24:01 PM 0 12.38 0.00 2.26 1.36 0.02 83.99 01:24:01 PM 1 30.53 0.00 3.38 1.73 0.03 64.32 01:24:01 PM 2 28.72 0.00 3.04 0.99 0.03 67.22 01:24:01 PM 3 9.45 0.00 1.23 0.63 0.02 88.67 01:25:01 PM all 53.97 0.00 2.90 1.54 0.02 41.57 01:25:01 PM 0 54.14 0.00 2.53 0.87 0.03 42.42 01:25:01 PM 1 49.78 0.00 3.98 2.23 0.02 43.99 01:25:01 PM 2 53.77 0.00 2.79 1.86 0.02 41.57 01:25:01 PM 3 58.18 0.00 2.30 1.21 0.02 38.30 01:26:01 PM all 15.57 0.00 0.89 0.13 0.00 83.40 01:26:01 PM 0 19.14 0.00 0.37 0.00 0.02 80.48 01:26:01 PM 1 12.61 0.00 1.22 0.30 0.00 85.86 01:26:01 PM 2 12.72 0.00 1.29 0.22 0.00 85.78 01:26:01 PM 3 17.81 0.00 0.70 0.02 0.00 81.47 Average: all 29.98 0.00 2.09 0.95 0.02 66.97 Average: 0 28.61 0.00 1.71 0.74 0.02 68.91 Average: 1 30.97 0.00 2.86 1.42 0.02 64.74 Average: 2 31.74 0.00 2.37 1.02 0.02 64.85 Average: 3 28.58 0.00 1.41 0.62 0.01 69.38