---> uname -a: Linux prd-centos8-docker-4c-4g-5013.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 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 776 12082 20 2902 14645 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:77:48:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.85/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86068sec preferred_lft 86068sec inet6 fe80::f816:3eff:fe77:48fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:52:7a:75:78 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) 11/02/2026 _x86_64_ (4 CPU) 11:14:17 LINUX RESTART (4 CPU) 11:15:01 AM tps rtps wtps bread/s bwrtn/s 11:16:01 AM 182.72 6.16 176.56 946.35 5603.00 11:17:01 AM 87.97 10.60 77.37 2461.06 7975.62 11:18:01 AM 215.06 8.93 206.13 1672.11 10058.05 11:19:01 AM 48.78 2.15 46.63 80.25 7500.60 11:20:01 AM 30.27 1.18 29.09 106.90 9243.25 Average: 112.96 5.81 107.16 1053.32 8076.13 11:15:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:16:01 AM 13395944 15132044 2743372 17.00 2688 1954200 1114336 6.48 137320 2254812 136708 11:17:01 AM 12967844 15016360 3171472 19.65 2688 2257184 1401412 8.15 156072 2628136 188760 11:18:01 AM 11666060 14036204 4473256 27.72 2688 2571288 2110804 12.28 241800 3804428 208976 11:19:01 AM 12442300 15063796 3697016 22.91 2688 2820584 1100640 6.40 352488 2916904 263828 11:20:01 AM 12354308 14980776 3785008 23.45 2688 2825136 1161304 6.76 540944 2816324 8356 Average: 12565291 14845836 3574025 22.14 2688 2485678 1377699 8.02 285725 2884121 161326 11:15:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM eth0 96.40 60.25 1010.74 24.59 0.00 0.00 0.00 0.00 11:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM eth0 75.20 50.17 885.17 15.15 0.00 0.00 0.00 0.00 11:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 11:18:01 AM eth0 351.10 284.42 4101.27 48.68 0.00 0.00 0.00 0.00 11:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM lo 31.09 31.09 8.23 8.23 0.00 0.00 0.00 0.00 11:19:01 AM eth0 75.74 60.81 278.25 37.25 0.00 0.00 0.00 0.00 11:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 AM eth0 33.22 32.49 16.68 923.46 0.00 0.00 0.00 0.00 11:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.25 6.25 1.65 1.65 0.00 0.00 0.00 0.00 Average: eth0 126.34 97.63 1258.47 209.84 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) 11/02/2026 _x86_64_ (4 CPU) 11:14:17 LINUX RESTART (4 CPU) 11:15:01 AM CPU %user %nice %system %iowait %steal %idle 11:16:01 AM all 11.11 0.00 1.36 0.90 0.01 86.62 11:16:01 AM 0 12.89 0.00 1.27 0.99 0.00 84.85 11:16:01 AM 1 8.52 0.00 1.10 0.18 0.02 90.17 11:16:01 AM 2 14.25 0.00 2.23 2.04 0.00 81.48 11:16:01 AM 3 8.76 0.00 0.84 0.40 0.02 89.98 11:17:01 AM all 10.67 0.00 1.10 0.46 0.00 87.76 11:17:01 AM 0 11.07 0.00 1.15 0.58 0.00 87.20 11:17:01 AM 1 6.30 0.00 0.74 0.38 0.00 92.58 11:17:01 AM 2 8.83 0.00 0.87 0.42 0.00 89.88 11:17:01 AM 3 16.45 0.00 1.65 0.47 0.02 81.41 11:18:01 AM all 41.80 0.00 2.24 1.07 0.01 54.88 11:18:01 AM 0 46.37 0.00 1.45 0.48 0.02 51.68 11:18:01 AM 1 37.07 0.00 2.68 1.11 0.00 59.14 11:18:01 AM 2 41.74 0.00 2.70 1.34 0.02 54.21 11:18:01 AM 3 42.01 0.00 2.12 1.37 0.00 54.50 11:19:01 AM all 28.14 0.00 1.70 1.58 0.02 68.56 11:19:01 AM 0 29.31 0.00 1.44 2.25 0.02 66.98 11:19:01 AM 1 16.09 0.00 1.93 2.63 0.02 79.34 11:19:01 AM 2 34.75 0.00 2.26 0.25 0.03 62.71 11:19:01 AM 3 32.38 0.00 1.17 1.20 0.02 65.23 11:20:01 AM all 12.72 0.00 1.19 0.23 0.01 85.85 11:20:01 AM 0 2.68 0.00 1.10 0.32 0.00 95.90 11:20:01 AM 1 11.96 0.00 1.00 0.03 0.00 87.00 11:20:01 AM 2 32.31 0.00 1.95 0.53 0.03 65.17 11:20:01 AM 3 3.96 0.00 0.72 0.02 0.00 95.31 Average: all 20.88 0.00 1.52 0.85 0.01 76.74 Average: 0 20.46 0.00 1.28 0.92 0.01 77.33 Average: 1 15.98 0.00 1.49 0.87 0.01 81.65 Average: 2 26.37 0.00 2.00 0.92 0.02 70.70 Average: 3 20.71 0.00 1.30 0.69 0.01 77.29