---> uname -a: Linux prd-centos8-docker-8c-8g-7204.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 1020 28258 19 2608 30415 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:63:83:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.96/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe63:831a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:da:ec:72:50 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) 07/09/2026 _x86_64_ (8 CPU) 05:17:42 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 314.60 9.16 305.43 1731.96 9745.88 05:20:01 AM 208.40 2.57 205.83 645.78 14695.12 05:21:01 AM 99.02 1.63 97.38 393.93 7253.86 Average: 207.34 4.45 202.89 923.92 10565.14 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29383288 31266816 3270084 10.01 2688 2200828 1382832 4.10 145436 2671524 321564 05:20:01 AM 27700036 29737244 4953336 15.17 2688 2347104 2646260 7.85 210700 4244172 78352 05:21:01 AM 28932136 31129288 3721236 11.40 2688 2502176 1446412 4.29 244124 2967044 48840 Average: 28671820 30711116 3981552 12.19 2688 2350036 1825168 5.42 200087 3294247 149585 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 179.22 114.96 1974.11 35.26 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 225.56 212.11 1682.25 50.43 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 176.70 159.51 1554.94 37.38 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 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 193.83 162.19 1737.11 41.03 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) 07/09/2026 _x86_64_ (8 CPU) 05:17:42 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 10.66 0.00 1.37 0.65 0.05 87.27 05:19:01 AM 0 1.89 0.00 1.10 1.10 0.07 95.84 05:19:01 AM 1 16.59 0.00 1.54 0.32 0.05 81.50 05:19:01 AM 2 11.90 0.00 1.49 0.75 0.07 85.79 05:19:01 AM 3 15.24 0.00 1.15 0.23 0.05 83.32 05:19:01 AM 4 9.75 0.00 1.32 0.37 0.03 88.53 05:19:01 AM 5 17.79 0.00 1.80 0.20 0.03 80.17 05:19:01 AM 6 8.45 0.00 1.04 0.43 0.05 90.03 05:19:01 AM 7 3.68 0.00 1.52 1.77 0.03 92.99 05:20:01 AM all 33.43 0.00 1.53 0.59 0.09 64.36 05:20:01 AM 0 37.80 0.00 1.54 0.32 0.10 60.24 05:20:01 AM 1 28.58 0.00 1.30 0.94 0.08 69.10 05:20:01 AM 2 39.79 0.00 2.01 1.12 0.10 56.98 05:20:01 AM 3 30.32 0.00 1.47 0.33 0.12 67.76 05:20:01 AM 4 27.62 0.00 1.54 0.43 0.08 70.32 05:20:01 AM 5 34.04 0.00 1.69 0.60 0.08 63.59 05:20:01 AM 6 43.03 0.00 0.85 0.32 0.08 55.72 05:20:01 AM 7 26.27 0.00 1.81 0.64 0.10 71.19 05:21:01 AM all 37.60 0.00 1.59 0.23 0.08 60.51 05:21:01 AM 0 38.27 0.00 1.25 0.03 0.08 60.36 05:21:01 AM 1 37.47 0.00 1.47 0.13 0.07 60.86 05:21:01 AM 2 39.97 0.00 1.67 0.13 0.08 58.14 05:21:01 AM 3 46.95 0.00 1.84 0.03 0.07 51.11 05:21:01 AM 4 34.25 0.00 1.82 0.28 0.10 63.55 05:21:01 AM 5 36.37 0.00 1.84 0.69 0.07 61.04 05:21:01 AM 6 36.94 0.00 1.54 0.12 0.10 61.30 05:21:01 AM 7 30.55 0.00 1.27 0.38 0.07 67.73 Average: all 27.23 0.00 1.49 0.49 0.07 70.72 Average: 0 25.99 0.00 1.30 0.48 0.08 72.15 Average: 1 27.55 0.00 1.44 0.46 0.07 70.49 Average: 2 30.56 0.00 1.72 0.67 0.08 66.96 Average: 3 30.84 0.00 1.49 0.20 0.08 67.40 Average: 4 23.87 0.00 1.56 0.36 0.07 74.14 Average: 5 29.39 0.00 1.78 0.50 0.06 68.27 Average: 6 29.46 0.00 1.14 0.29 0.08 69.03 Average: 7 20.17 0.00 1.53 0.93 0.07 77.30