---> uname -a: Linux prd-centos8-docker-8c-8g-6960.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1072 26378 19 4437 30347 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:d7:dc:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fed7:dc6f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:03:07:07:83 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 inet6 fe80::42:3ff:fe07:783/64 scope link 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) 06/05/2026 _x86_64_ (8 CPU) 02:28:59 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 279.54 16.63 262.91 3198.80 16485.85 02:32:01 AM 154.93 4.55 150.38 1570.94 39900.03 02:33:01 AM 113.93 17.26 96.67 5113.10 25885.10 Average: 182.79 12.81 169.98 3294.28 27424.27 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28640768 30925024 4012604 12.29 2688 2594960 1634504 4.85 203248 3318600 301536 02:32:01 AM 26077432 29264852 6575940 20.14 2688 3480660 5005068 14.85 340676 5665736 288 02:33:01 AM 26987512 31051764 5665860 17.35 2688 4351420 1517800 4.50 876076 4219668 8492 Average: 27235237 30413880 5418135 16.59 2688 3475680 2719124 8.07 473333 4401335 103439 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 497.98 361.21 5928.95 66.01 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.05 0.05 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1355.80 386.07 7349.15 34.46 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 02:32:01 AM veth449c0fa 0.03 0.25 0.00 0.02 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.66 11.66 1.25 1.25 0.00 0.00 0.00 0.00 02:33:01 AM eth0 160.43 160.01 1389.68 1257.28 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.25 5.25 0.61 0.61 0.00 0.00 0.00 0.00 Average: lo 3.90 3.90 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 671.41 302.43 4889.20 452.61 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.79 0.20 0.21 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) 06/05/2026 _x86_64_ (8 CPU) 02:28:59 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 14.01 0.00 1.45 0.73 0.06 83.75 02:31:01 AM 0 15.25 0.00 0.84 0.12 0.07 83.73 02:31:01 AM 1 14.56 0.00 2.28 1.17 0.07 81.93 02:31:01 AM 2 14.63 0.00 1.54 0.55 0.05 83.23 02:31:01 AM 3 12.35 0.00 1.49 1.04 0.05 85.08 02:31:01 AM 4 20.04 0.00 1.27 0.69 0.05 77.95 02:31:01 AM 5 11.12 0.00 1.54 0.75 0.05 86.54 02:31:01 AM 6 14.41 0.00 1.59 0.97 0.07 82.96 02:31:01 AM 7 9.75 0.00 1.09 0.54 0.07 88.56 02:32:01 AM all 28.76 0.00 2.25 0.78 0.10 68.12 02:32:01 AM 0 28.92 0.00 2.64 0.07 0.08 68.29 02:32:01 AM 1 22.86 0.00 1.72 1.08 0.08 74.26 02:32:01 AM 2 39.86 0.00 2.32 1.71 0.10 56.01 02:32:01 AM 3 15.49 0.00 2.11 1.35 0.10 80.95 02:32:01 AM 4 40.73 0.00 1.83 0.30 0.10 57.04 02:32:01 AM 5 23.72 0.00 2.12 0.57 0.10 73.49 02:32:01 AM 6 29.06 0.00 2.56 0.47 0.10 67.81 02:32:01 AM 7 29.38 0.00 2.72 0.67 0.10 67.13 02:33:01 AM all 19.41 0.30 2.06 0.54 0.07 77.61 02:33:01 AM 0 15.30 0.00 1.76 0.87 0.08 81.99 02:33:01 AM 1 20.26 0.02 2.29 0.25 0.08 77.09 02:33:01 AM 2 21.76 0.28 1.96 0.64 0.07 75.29 02:33:01 AM 3 34.05 0.08 2.28 0.15 0.08 63.36 02:33:01 AM 4 19.29 1.26 1.94 0.49 0.07 76.96 02:33:01 AM 5 12.98 0.64 2.11 0.72 0.05 83.51 02:33:01 AM 6 16.00 0.08 1.71 0.81 0.05 81.35 02:33:01 AM 7 15.65 0.07 2.46 0.42 0.07 81.34 Average: all 20.71 0.10 1.92 0.68 0.07 76.51 Average: 0 19.80 0.00 1.74 0.35 0.08 78.02 Average: 1 19.22 0.01 2.10 0.83 0.08 77.77 Average: 2 25.40 0.09 1.94 0.97 0.07 71.53 Average: 3 20.64 0.03 1.96 0.84 0.08 76.46 Average: 4 26.67 0.42 1.68 0.49 0.07 70.67 Average: 5 15.93 0.21 1.92 0.68 0.07 81.19 Average: 6 19.81 0.03 1.95 0.75 0.07 77.39 Average: 7 18.23 0.02 2.09 0.54 0.08 79.04