---> uname -a: Linux prd-centos8-docker-4c-4g-4988.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 766 12087 20 2907 14655 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:4c:21:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86058sec preferred_lft 86058sec inet6 fe80::f816:3eff:fe4c:21dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:3e:c8:59 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) 11:00:12 LINUX RESTART (4 CPU) 11:01:01 AM tps rtps wtps bread/s bwrtn/s 11:02:01 AM 163.65 10.57 153.07 1486.49 4484.65 11:03:01 AM 101.18 0.53 100.65 149.98 9873.05 11:04:01 AM 205.75 16.06 189.69 3647.78 9139.23 11:05:01 AM 66.91 5.05 61.86 387.14 8435.78 11:06:01 AM 30.01 1.18 28.82 106.90 9330.02 Average: 113.51 6.68 106.83 1155.83 8252.14 11:01:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:02:01 AM 13455116 15080820 2684200 16.63 2688 1853168 1179320 6.86 137160 2232536 65988 11:03:01 AM 13193868 15130336 2945448 18.25 2688 2145388 1074016 6.25 139080 2417876 140236 11:04:01 AM 12128436 14491808 4010880 24.85 2688 2564644 1636740 9.52 218080 3370780 231836 11:05:01 AM 12457904 15076004 3681412 22.81 2688 2818060 1121600 6.53 350028 2905780 240084 11:06:01 AM 12445288 15075592 3694028 22.89 2688 2829164 1106436 6.44 541136 2726500 7356 Average: 12736122 14970912 3403194 21.09 2688 2442085 1223622 7.12 277097 2730694 137100 11:01:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 AM eth0 171.51 107.16 1021.61 47.69 0.00 0.00 0.00 0.00 11:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:01 AM eth0 52.02 34.63 648.09 6.06 0.00 0.00 0.00 0.00 11:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 AM eth0 383.89 310.14 4535.53 59.47 0.00 0.00 0.00 0.00 11:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 AM lo 31.88 31.88 8.29 8.29 0.00 0.00 0.00 0.00 11:05:01 AM eth0 95.13 81.54 287.24 38.82 0.00 0.00 0.00 0.00 11:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM eth0 31.76 30.37 16.07 922.19 0.00 0.00 0.00 0.00 11:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.37 6.37 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 146.88 112.78 1301.84 214.84 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) 11:00:12 LINUX RESTART (4 CPU) 11:01:01 AM CPU %user %nice %system %iowait %steal %idle 11:02:01 AM all 11.16 0.00 1.41 0.90 0.01 86.52 11:02:01 AM 0 8.26 0.00 1.92 2.71 0.02 87.09 11:02:01 AM 1 6.99 0.00 1.07 0.17 0.00 91.77 11:02:01 AM 2 18.68 0.00 2.04 0.55 0.02 78.71 11:02:01 AM 3 10.71 0.00 0.60 0.17 0.02 88.50 11:03:01 AM all 10.97 0.00 1.17 0.56 0.01 87.29 11:03:01 AM 0 12.26 0.00 1.58 0.68 0.00 85.47 11:03:01 AM 1 6.88 0.00 1.05 0.72 0.02 91.34 11:03:01 AM 2 21.13 0.00 1.49 0.35 0.03 77.00 11:03:01 AM 3 3.61 0.00 0.55 0.49 0.00 95.35 11:04:01 AM all 29.91 0.00 2.56 1.12 0.02 66.41 11:04:01 AM 0 28.80 0.00 2.27 1.09 0.03 67.81 11:04:01 AM 1 32.53 0.00 3.48 1.81 0.02 62.17 11:04:01 AM 2 28.32 0.00 2.18 0.65 0.00 68.85 11:04:01 AM 3 29.97 0.00 2.29 0.92 0.02 66.80 11:05:01 AM all 44.18 0.00 2.13 0.32 0.03 53.34 11:05:01 AM 0 43.51 0.00 1.72 0.08 0.05 54.63 11:05:01 AM 1 37.17 0.00 3.18 0.62 0.03 59.00 11:05:01 AM 2 44.64 0.00 2.06 0.57 0.03 52.70 11:05:01 AM 3 51.39 0.00 1.55 0.02 0.02 47.03 11:06:01 AM all 13.57 0.00 1.26 0.22 0.01 84.94 11:06:01 AM 0 22.63 0.00 1.69 0.18 0.03 75.46 11:06:01 AM 1 9.33 0.00 0.97 0.05 0.00 89.65 11:06:01 AM 2 2.89 0.00 0.85 0.64 0.00 95.62 11:06:01 AM 3 19.40 0.00 1.53 0.02 0.02 79.03 Average: all 21.95 0.00 1.70 0.62 0.02 75.70 Average: 0 23.09 0.00 1.84 0.95 0.03 74.09 Average: 1 18.57 0.00 1.95 0.67 0.01 78.80 Average: 2 23.13 0.00 1.72 0.55 0.02 74.58 Average: 3 23.02 0.00 1.31 0.32 0.01 75.34