---> uname -a: Linux prd-centos8-docker-8c-8g-7187.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 26366 19 4448 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:50:d5:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.42/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:fe50:d549/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:63:13:55:03 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::42:63ff:fe13:5503/64 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) 07/09/2026 _x86_64_ (8 CPU) 02:28:58 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 247.37 16.74 230.62 3302.90 16353.70 02:32:01 AM 185.22 4.38 180.84 1501.48 40227.78 02:33:01 AM 100.53 15.84 84.69 5129.57 12362.12 Average: 177.70 12.32 165.38 3311.52 22979.65 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28730024 30925924 3923348 12.02 2688 2507700 1649188 4.89 196948 3240184 207736 02:32:01 AM 26313696 29512128 6339676 19.42 2688 3491624 3876772 11.50 293724 5478184 136 02:33:01 AM 27007160 31090804 5646212 17.29 2688 4370932 1472856 4.37 872880 4198088 373616 Average: 27350293 30509619 5303079 16.24 2688 3456752 2332939 6.92 454517 4305485 193829 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 347.43 272.19 4321.86 56.94 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1776.27 565.52 9006.74 48.26 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM veth9044be2 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.93 11.93 1.27 1.27 0.00 0.00 0.00 0.00 02:33:01 AM eth0 155.44 155.34 1389.59 1256.07 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.26 5.36 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 759.62 331.00 4905.64 453.82 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.80 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) 07/09/2026 _x86_64_ (8 CPU) 02:28:58 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 14.17 0.00 1.49 0.73 0.07 83.53 02:31:01 AM 0 15.93 0.00 2.28 1.19 0.07 80.54 02:31:01 AM 1 11.50 0.00 1.40 0.48 0.07 86.54 02:31:01 AM 2 8.58 0.00 1.24 0.84 0.08 89.26 02:31:01 AM 3 31.56 0.00 2.24 0.94 0.10 65.16 02:31:01 AM 4 11.67 0.00 1.52 0.57 0.07 86.17 02:31:01 AM 5 15.78 0.00 1.19 1.00 0.07 81.97 02:31:01 AM 6 8.68 0.00 1.02 0.17 0.07 90.07 02:31:01 AM 7 9.68 0.00 1.05 0.65 0.07 88.55 02:32:01 AM all 28.69 0.00 2.36 0.77 0.11 68.06 02:32:01 AM 0 26.41 0.00 3.15 0.03 0.13 70.27 02:32:01 AM 1 37.35 0.00 2.10 0.57 0.12 59.86 02:32:01 AM 2 11.23 0.00 2.50 1.51 0.10 84.66 02:32:01 AM 3 21.38 0.00 2.92 2.17 0.12 73.42 02:32:01 AM 4 40.42 0.00 2.24 0.49 0.12 56.73 02:32:01 AM 5 21.60 0.00 2.21 0.62 0.10 75.47 02:32:01 AM 6 32.71 0.00 2.17 0.79 0.10 64.22 02:32:01 AM 7 38.34 0.00 1.57 0.00 0.12 59.98 02:33:01 AM all 19.96 0.26 2.27 0.58 0.09 76.84 02:33:01 AM 0 10.22 0.02 2.28 0.45 0.08 86.95 02:33:01 AM 1 20.90 0.02 2.06 0.35 0.08 76.59 02:33:01 AM 2 26.17 0.00 2.19 0.18 0.10 71.36 02:33:01 AM 3 23.19 0.00 2.61 0.95 0.08 73.16 02:33:01 AM 4 15.43 1.89 1.96 0.96 0.08 79.67 02:33:01 AM 5 26.64 0.05 2.34 0.47 0.08 70.41 02:33:01 AM 6 18.70 0.00 2.09 0.79 0.10 78.32 02:33:01 AM 7 18.41 0.10 2.59 0.52 0.07 78.31 Average: all 20.92 0.09 2.04 0.70 0.09 76.17 Average: 0 17.50 0.01 2.57 0.56 0.10 79.27 Average: 1 23.23 0.01 1.85 0.47 0.09 74.36 Average: 2 15.34 0.00 1.98 0.84 0.10 81.75 Average: 3 25.39 0.00 2.59 1.35 0.10 70.57 Average: 4 22.47 0.63 1.91 0.67 0.09 74.23 Average: 5 21.34 0.02 1.91 0.70 0.08 75.95 Average: 6 20.00 0.00 1.76 0.58 0.09 77.57 Average: 7 22.11 0.03 1.74 0.39 0.08 75.64