---> uname -a: Linux prd-centos8-docker-8c-8g-12908.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1009 28275 19 2603 30427 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:db:6c:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.130/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fedb:6ccc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2f:31:99:e5 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) 08/16/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 216.58 3.91 212.67 921.27 15230.37 05:21:01 AM 101.25 1.51 99.73 387.16 6840.94 05:22:01 AM 54.95 1.30 53.65 112.90 4771.73 Average: 124.18 2.24 121.94 473.42 8942.20 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 27808856 29825156 4844516 14.84 2688 2327208 3445116 10.22 184660 4166848 104632 05:21:01 AM 26948008 29120892 5705364 17.47 2688 2478740 3287068 9.75 236084 4957196 67872 05:22:01 AM 28925764 31130832 3727608 11.42 2688 2509416 1512380 4.49 431848 2785312 8488 Average: 27894209 30025627 4759163 14.57 2688 2438455 2748188 8.15 284197 3969785 60331 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 263.94 237.43 2414.43 53.10 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 147.96 115.98 1366.81 27.15 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 150.00 146.50 266.80 173.66 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 187.23 166.56 1348.65 84.63 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) 08/16/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 24.32 0.00 1.47 0.63 0.07 73.50 05:20:01 AM 0 24.27 0.00 0.87 0.03 0.07 74.76 05:20:01 AM 1 19.33 0.00 0.84 0.32 0.07 79.45 05:20:01 AM 2 24.46 0.00 1.24 1.24 0.07 72.99 05:20:01 AM 3 22.67 0.00 1.84 0.97 0.08 74.43 05:20:01 AM 4 16.42 0.00 1.39 0.18 0.05 81.95 05:20:01 AM 5 26.65 0.00 1.39 0.49 0.07 71.41 05:20:01 AM 6 19.51 0.00 0.95 0.15 0.07 79.32 05:20:01 AM 7 41.29 0.00 3.26 1.68 0.10 53.67 05:21:01 AM all 43.02 0.00 1.61 0.24 0.09 55.04 05:21:01 AM 0 45.54 0.00 1.80 0.12 0.08 52.46 05:21:01 AM 1 39.52 0.00 1.67 0.18 0.10 58.53 05:21:01 AM 2 49.72 0.00 1.50 0.17 0.08 48.53 05:21:01 AM 3 44.51 0.00 1.79 0.35 0.08 53.27 05:21:01 AM 4 31.81 0.00 1.40 0.67 0.10 66.02 05:21:01 AM 5 46.78 0.00 1.72 0.00 0.08 51.42 05:21:01 AM 6 51.24 0.00 1.91 0.25 0.10 46.50 05:21:01 AM 7 35.04 0.00 1.07 0.17 0.10 63.63 05:22:01 AM all 16.90 0.00 1.41 0.12 0.06 81.51 05:22:01 AM 0 21.36 0.00 1.65 0.07 0.07 76.85 05:22:01 AM 1 13.60 0.00 1.05 0.08 0.07 85.20 05:22:01 AM 2 17.42 0.00 1.40 0.07 0.05 81.06 05:22:01 AM 3 15.11 0.00 1.22 0.42 0.05 83.20 05:22:01 AM 4 25.70 0.00 1.84 0.10 0.07 72.30 05:22:01 AM 5 10.27 0.00 1.29 0.08 0.07 88.29 05:22:01 AM 6 8.62 0.00 1.15 0.12 0.03 90.08 05:22:01 AM 7 23.11 0.00 1.64 0.03 0.07 75.15 Average: all 28.10 0.00 1.50 0.33 0.07 70.00 Average: 0 30.41 0.00 1.44 0.07 0.07 68.01 Average: 1 24.16 0.00 1.19 0.19 0.08 74.38 Average: 2 30.55 0.00 1.38 0.49 0.07 67.51 Average: 3 27.44 0.00 1.62 0.58 0.07 70.29 Average: 4 24.66 0.00 1.54 0.32 0.07 73.41 Average: 5 27.92 0.00 1.47 0.19 0.07 70.36 Average: 6 26.50 0.00 1.34 0.17 0.07 71.92 Average: 7 33.14 0.00 1.98 0.62 0.09 64.16