---> uname -a: Linux prd-centos8-docker-8c-8g-12658.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 1010 28269 19 2607 30425 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:87:c1:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.234/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe87:c17f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:79:4b:e3:2e 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) 07/27/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 172.18 2.83 169.34 363.75 11477.64 05:20:01 AM 177.92 2.52 175.40 952.77 12184.97 05:21:01 AM 77.10 1.37 75.74 114.11 6319.38 Average: 142.40 2.24 140.16 476.87 9994.08 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28575828 30499736 4077544 12.49 2688 2238124 2326420 6.90 167288 3436204 225936 05:20:01 AM 27164408 29322472 5488964 16.81 2688 2464928 3594152 10.66 231424 4746508 113956 05:21:01 AM 28945328 31152596 3708044 11.36 2688 2511104 1470088 4.36 424056 2774096 28432 Average: 28228521 30324935 4424851 13.55 2688 2404719 2463553 7.31 274256 3652269 122775 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 203.28 171.68 2225.62 53.13 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 250.66 211.28 2366.64 39.57 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 196.57 179.62 367.15 176.90 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 216.84 187.52 1653.17 89.87 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) 07/27/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 17.00 0.00 1.49 0.40 0.06 81.04 05:19:01 AM 0 19.38 0.00 1.10 0.10 0.07 79.36 05:19:01 AM 1 5.52 0.00 1.46 0.54 0.08 92.40 05:19:01 AM 2 20.45 0.00 2.19 0.75 0.07 76.54 05:19:01 AM 3 20.34 0.00 1.45 0.27 0.07 77.87 05:19:01 AM 4 24.12 0.00 1.40 0.40 0.05 74.02 05:19:01 AM 5 20.81 0.00 1.44 0.62 0.05 77.08 05:19:01 AM 6 9.18 0.00 1.07 0.28 0.05 89.41 05:19:01 AM 7 16.19 0.00 1.82 0.27 0.05 81.67 05:20:01 AM all 42.25 0.00 1.59 0.49 0.08 55.59 05:20:01 AM 0 42.11 0.00 1.27 0.18 0.08 56.36 05:20:01 AM 1 32.41 0.00 1.49 0.80 0.07 65.23 05:20:01 AM 2 39.35 0.00 1.50 0.42 0.10 58.63 05:20:01 AM 3 37.68 0.00 1.71 0.74 0.08 59.80 05:20:01 AM 4 49.06 0.00 2.02 1.10 0.08 47.74 05:20:01 AM 5 42.32 0.00 1.20 0.13 0.08 56.26 05:20:01 AM 6 50.21 0.00 1.67 0.18 0.08 47.86 05:20:01 AM 7 44.83 0.00 1.86 0.33 0.08 52.89 05:21:01 AM all 24.93 0.00 1.44 0.17 0.07 73.39 05:21:01 AM 0 17.08 0.00 1.54 0.43 0.08 80.86 05:21:01 AM 1 26.66 0.00 1.07 0.12 0.07 72.08 05:21:01 AM 2 36.90 0.00 2.27 0.25 0.07 60.51 05:21:01 AM 3 34.84 0.00 1.42 0.18 0.07 63.48 05:21:01 AM 4 29.31 0.00 1.79 0.03 0.07 68.80 05:21:01 AM 5 21.27 0.00 1.29 0.13 0.08 77.23 05:21:01 AM 6 19.93 0.00 1.14 0.20 0.07 78.66 05:21:01 AM 7 13.43 0.00 1.04 0.02 0.05 85.47 Average: all 28.06 0.00 1.51 0.35 0.07 70.01 Average: 0 26.19 0.00 1.30 0.24 0.08 72.19 Average: 1 21.54 0.00 1.34 0.48 0.07 76.57 Average: 2 32.23 0.00 1.99 0.47 0.08 65.23 Average: 3 30.95 0.00 1.53 0.40 0.07 67.05 Average: 4 34.16 0.00 1.74 0.51 0.07 63.53 Average: 5 28.13 0.00 1.31 0.30 0.07 70.20 Average: 6 26.46 0.00 1.29 0.22 0.07 71.96 Average: 7 24.81 0.00 1.57 0.21 0.06 73.35