---> uname -a: Linux prd-centos8-docker-4c-4g-7477.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 799 12056 20 2904 14622 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:87:e0:0a 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 86178sec preferred_lft 86178sec inet6 fe80::f816:3eff:fe87:e00a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c1:07:fc:36 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) 10/06/2026 _x86_64_ (4 CPU) 15:07:26 LINUX RESTART (4 CPU) 03:08:01 PM tps rtps wtps bread/s bwrtn/s 03:09:01 PM 156.75 15.24 141.50 3149.62 10175.41 03:10:01 PM 216.21 6.30 209.92 1081.55 18194.33 03:11:01 PM 48.21 1.67 46.54 123.27 9717.16 Average: 140.38 7.74 132.64 1451.43 12695.16 03:08:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:09:01 PM 12741772 14823704 3397544 21.05 2688 2290092 1396576 8.13 158124 2846884 239720 03:10:01 PM 11331776 13706808 4807540 29.79 2688 2576608 2405908 14.00 254708 4121992 8836 03:11:01 PM 12331564 14965952 3807752 23.59 2688 2833524 1211868 7.05 541568 2837768 13360 Average: 12135037 14498821 4004279 24.81 2688 2566741 1671451 9.72 318133 3268881 87305 03:08:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 PM eth0 169.88 115.18 1977.65 24.73 0.00 0.00 0.00 0.00 03:09:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 PM lo 16.80 16.80 4.01 4.01 0.00 0.00 0.00 0.00 03:10:01 PM eth0 342.51 271.22 3977.77 53.50 0.00 0.00 0.00 0.00 03:10:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 PM lo 14.23 14.23 4.22 4.22 0.00 0.00 0.00 0.00 03:11:01 PM eth0 100.05 91.20 283.39 940.70 0.00 0.00 0.00 0.00 03:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.34 10.34 2.74 2.74 0.00 0.00 0.00 0.00 Average: eth0 204.13 159.19 2079.40 339.69 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) 10/06/2026 _x86_64_ (4 CPU) 15:07:26 LINUX RESTART (4 CPU) 03:08:01 PM CPU %user %nice %system %iowait %steal %idle 03:09:01 PM all 23.19 0.00 2.21 0.83 0.01 73.77 03:09:01 PM 0 27.29 0.00 2.87 1.12 0.02 68.69 03:09:01 PM 1 32.36 0.00 3.02 1.27 0.02 63.33 03:09:01 PM 2 24.49 0.00 1.87 0.45 0.00 73.19 03:09:01 PM 3 8.54 0.00 1.06 0.47 0.00 89.93 03:10:01 PM all 52.56 0.00 2.52 1.17 0.02 43.74 03:10:01 PM 0 61.26 0.00 1.91 1.05 0.02 35.76 03:10:01 PM 1 60.88 0.00 2.34 0.94 0.02 35.83 03:10:01 PM 2 46.24 0.00 2.51 1.12 0.02 50.12 03:10:01 PM 3 41.84 0.00 3.34 1.55 0.02 53.25 03:11:01 PM all 23.49 0.00 2.17 0.31 0.02 74.01 03:11:01 PM 0 24.63 0.00 2.04 0.02 0.02 73.30 03:11:01 PM 1 30.65 0.00 2.30 0.03 0.02 66.99 03:11:01 PM 2 11.12 0.00 2.04 1.12 0.02 85.70 03:11:01 PM 3 27.52 0.00 2.29 0.07 0.03 70.09 Average: all 33.08 0.00 2.30 0.77 0.02 63.83 Average: 0 37.72 0.00 2.27 0.73 0.02 59.26 Average: 1 41.30 0.00 2.56 0.75 0.02 55.39 Average: 2 27.30 0.00 2.14 0.90 0.01 69.65 Average: 3 25.99 0.00 2.23 0.70 0.02 71.06