---> uname -a: Linux prd-centos8-docker-8c-8g-1699.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 1002 28287 19 2598 30434 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:23:97:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.31/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe23:97c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:98:95:bc:8e 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) 05/21/2026 _x86_64_ (8 CPU) 05:18:06 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 132.27 1.95 130.32 306.30 13734.16 05:21:01 AM 178.09 1.98 176.11 622.19 7150.73 05:22:01 AM 70.27 4.05 66.22 481.12 5616.85 Average: 126.88 2.66 124.22 469.87 8834.09 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 29068572 30947864 3584800 10.98 2688 2195436 2031048 6.03 158376 2955244 72604 05:21:01 AM 27791548 29876276 4861824 14.89 2688 2393040 2595444 7.70 219024 4135892 86124 05:22:01 AM 28962792 31159684 3690580 11.30 2688 2501336 1463284 4.34 242528 2937580 61544 Average: 28607637 30661275 4045735 12.39 2688 2363271 2029925 6.02 206643 3342905 73424 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 120.03 103.30 1021.17 38.63 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 264.31 229.69 2380.44 43.66 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 180.42 166.42 801.74 142.40 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 188.25 166.47 1401.15 74.90 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) 05/21/2026 _x86_64_ (8 CPU) 05:18:06 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 8.32 0.00 0.89 0.37 0.04 90.37 05:20:01 AM 0 3.97 0.00 0.50 0.18 0.03 95.31 05:20:01 AM 1 24.12 0.00 2.21 0.37 0.07 73.24 05:20:01 AM 2 5.83 0.00 0.52 0.18 0.03 93.44 05:20:01 AM 3 9.85 0.00 1.20 1.04 0.07 87.85 05:20:01 AM 4 4.15 0.00 0.40 0.37 0.03 95.05 05:20:01 AM 5 3.26 0.00 0.45 0.22 0.02 96.06 05:20:01 AM 6 8.60 0.00 1.30 0.32 0.03 89.74 05:20:01 AM 7 6.82 0.00 0.53 0.32 0.03 92.29 05:21:01 AM all 37.42 0.00 1.67 0.53 0.11 60.27 05:21:01 AM 0 40.09 0.00 1.52 0.47 0.13 57.79 05:21:01 AM 1 47.54 0.00 2.31 1.25 0.13 48.76 05:21:01 AM 2 40.15 0.00 1.24 0.18 0.12 58.32 05:21:01 AM 3 37.77 0.00 1.74 0.27 0.10 60.13 05:21:01 AM 4 36.99 0.00 1.19 0.27 0.10 61.45 05:21:01 AM 5 29.90 0.00 1.93 0.94 0.12 67.12 05:21:01 AM 6 35.81 0.00 1.59 0.64 0.12 61.85 05:21:01 AM 7 31.10 0.00 1.82 0.23 0.10 66.74 05:22:01 AM all 34.16 0.00 1.48 0.16 0.09 64.11 05:22:01 AM 0 43.14 0.00 1.25 0.03 0.08 55.49 05:22:01 AM 1 34.92 0.00 1.72 0.05 0.10 63.21 05:22:01 AM 2 36.56 0.00 1.47 0.42 0.08 61.47 05:22:01 AM 3 44.28 0.00 2.11 0.20 0.10 53.32 05:22:01 AM 4 32.68 0.00 1.77 0.12 0.10 65.34 05:22:01 AM 5 24.74 0.00 1.10 0.17 0.08 73.90 05:22:01 AM 6 24.89 0.00 0.97 0.20 0.08 73.86 05:22:01 AM 7 32.02 0.00 1.42 0.12 0.08 66.35 Average: all 26.63 0.00 1.34 0.36 0.08 71.59 Average: 0 29.06 0.00 1.09 0.23 0.08 69.54 Average: 1 35.53 0.00 2.08 0.56 0.10 61.74 Average: 2 27.51 0.00 1.07 0.26 0.08 71.08 Average: 3 30.63 0.00 1.68 0.50 0.09 67.10 Average: 4 24.59 0.00 1.12 0.25 0.08 73.97 Average: 5 19.28 0.00 1.16 0.44 0.07 79.04 Average: 6 23.09 0.00 1.29 0.38 0.08 75.16 Average: 7 23.31 0.00 1.26 0.22 0.07 75.14