---> uname -a: Linux prd-centos8-docker-8c-8g-662.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: 2799.974 BogoMIPS: 5599.94 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 28257 19 2609 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:dd:9c:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.116/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fedd:9cf4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:73:d3:97:b2 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) 07/18/2026 _x86_64_ (8 CPU) 05:18:00 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 210.31 3.62 206.70 650.56 16171.47 05:21:01 AM 115.08 1.78 113.30 664.85 5453.38 05:22:01 AM 64.97 1.30 63.67 112.91 6371.60 Average: 130.12 2.23 127.89 476.12 9331.94 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28189368 30185436 4464004 13.67 2688 2307904 2491748 7.39 177304 3800284 89396 05:21:01 AM 27312504 29491552 5340868 16.36 2688 2485096 2900444 8.61 236044 4593084 113876 05:22:01 AM 28927984 31137288 3725388 11.41 2688 2513756 1491044 4.42 423180 2793860 7512 Average: 28143285 30271425 4510087 13.81 2688 2435585 2294412 6.81 278843 3729076 70261 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 268.89 233.84 2317.26 63.06 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 223.51 167.63 1589.69 47.05 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 148.41 143.99 265.18 165.76 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 213.60 181.82 1390.72 91.96 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) 07/18/2026 _x86_64_ (8 CPU) 05:18:00 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 20.34 0.00 1.40 0.65 0.07 77.54 05:20:01 AM 0 17.08 0.00 1.99 0.72 0.08 80.13 05:20:01 AM 1 17.56 0.00 1.24 0.84 0.07 80.30 05:20:01 AM 2 9.69 0.00 1.14 1.09 0.07 88.02 05:20:01 AM 3 13.68 0.00 1.52 0.79 0.07 83.94 05:20:01 AM 4 19.73 0.00 1.30 0.73 0.07 78.17 05:20:01 AM 5 41.16 0.00 1.62 0.17 0.08 56.97 05:20:01 AM 6 26.97 0.00 1.40 0.68 0.08 70.86 05:20:01 AM 7 16.80 0.00 0.97 0.15 0.07 82.01 05:21:01 AM all 44.03 0.00 1.53 0.25 0.10 54.09 05:21:01 AM 0 33.36 0.00 1.47 0.15 0.08 64.94 05:21:01 AM 1 44.92 0.00 1.57 0.12 0.12 53.27 05:21:01 AM 2 50.93 0.00 1.80 0.28 0.12 46.87 05:21:01 AM 3 49.77 0.00 1.85 0.40 0.10 47.87 05:21:01 AM 4 42.13 0.00 1.49 0.38 0.08 55.92 05:21:01 AM 5 45.44 0.00 1.22 0.05 0.10 53.19 05:21:01 AM 6 40.07 0.00 1.35 0.27 0.08 58.23 05:21:01 AM 7 45.60 0.00 1.45 0.38 0.08 52.47 05:22:01 AM all 14.47 0.00 1.12 0.25 0.08 84.07 05:22:01 AM 0 11.47 0.00 0.77 0.27 0.05 87.45 05:22:01 AM 1 13.91 0.00 1.30 0.08 0.05 84.65 05:22:01 AM 2 7.04 0.00 0.74 0.13 0.05 92.03 05:22:01 AM 3 20.95 0.00 1.35 0.12 0.05 77.53 05:22:01 AM 4 13.96 0.00 1.09 0.65 0.23 84.06 05:22:01 AM 5 19.94 0.00 1.07 0.20 0.05 78.74 05:22:01 AM 6 18.76 0.00 1.35 0.07 0.05 79.77 05:22:01 AM 7 9.71 0.00 1.32 0.50 0.12 88.35 Average: all 26.29 0.00 1.35 0.38 0.08 71.90 Average: 0 20.63 0.00 1.41 0.38 0.07 77.51 Average: 1 25.47 0.00 1.37 0.35 0.08 72.73 Average: 2 22.59 0.00 1.23 0.50 0.08 75.60 Average: 3 28.14 0.00 1.58 0.43 0.07 69.77 Average: 4 25.28 0.00 1.29 0.59 0.13 72.70 Average: 5 35.51 0.00 1.30 0.14 0.08 62.97 Average: 6 28.60 0.00 1.37 0.34 0.07 69.62 Average: 7 24.05 0.00 1.25 0.35 0.09 74.27