---> uname -a: Linux prd-centos8-docker-8c-8g-1273.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: 2800.000 BogoMIPS: 5600.00 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 999 28274 19 2613 30436 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:28:53:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.191/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe28:530e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8c:f0:a3:f0 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) 07/23/2026 _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 134.43 1.72 132.71 317.15 10003.33 05:20:01 AM 184.60 2.37 182.24 640.43 12256.77 05:21:01 AM 97.87 2.35 95.52 456.86 6673.27 Average: 138.97 2.14 136.82 471.48 9644.46 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29369208 31260164 3284164 10.06 2688 2207896 1379476 4.09 149160 2673348 234236 05:20:01 AM 27580516 29630872 5072856 15.54 2688 2359652 2799676 8.31 213660 4361824 59504 05:21:01 AM 28987324 31199124 3666048 11.23 2688 2516512 1403696 4.17 244420 2912496 62184 Average: 28645683 30696720 4007689 12.27 2688 2361353 1860949 5.52 202413 3315889 118641 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 163.01 126.78 1778.62 43.52 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 224.06 187.30 1636.69 42.86 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 193.53 167.16 1560.12 40.80 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 193.53 160.41 1658.48 42.39 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) 07/23/2026 _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 8.43 0.00 0.96 0.45 0.04 90.12 05:19:01 AM 0 7.04 0.00 0.70 0.10 0.03 92.12 05:19:01 AM 1 27.28 0.00 3.19 0.67 0.07 68.79 05:19:01 AM 2 6.67 0.00 0.84 0.97 0.05 91.47 05:19:01 AM 3 2.88 0.00 0.52 0.55 0.05 96.00 05:19:01 AM 4 7.68 0.00 0.57 0.17 0.02 91.57 05:19:01 AM 5 12.79 0.00 1.27 0.57 0.05 85.32 05:19:01 AM 6 1.04 0.00 0.28 0.08 0.03 98.56 05:19:01 AM 7 2.05 0.00 0.33 0.47 0.03 97.11 05:20:01 AM all 37.43 0.00 1.65 0.78 0.10 60.04 05:20:01 AM 0 38.52 0.00 1.32 0.72 0.10 59.34 05:20:01 AM 1 41.44 0.00 1.52 0.28 0.12 56.64 05:20:01 AM 2 32.36 0.00 1.49 1.17 0.08 64.89 05:20:01 AM 3 44.76 0.00 2.43 1.22 0.12 51.48 05:20:01 AM 4 37.39 0.00 1.77 1.15 0.12 59.57 05:20:01 AM 5 34.21 0.00 1.44 1.05 0.10 63.20 05:20:01 AM 6 43.58 0.00 1.64 0.52 0.10 54.16 05:20:01 AM 7 27.19 0.00 1.57 0.12 0.10 71.01 05:21:01 AM all 35.94 0.00 1.60 0.29 0.10 62.08 05:21:01 AM 0 25.95 0.00 1.24 0.52 0.10 72.20 05:21:01 AM 1 36.90 0.00 1.52 0.32 0.10 61.17 05:21:01 AM 2 41.03 0.00 1.57 0.07 0.10 57.23 05:21:01 AM 3 37.44 0.00 1.97 0.28 0.10 60.20 05:21:01 AM 4 40.33 0.00 1.75 0.22 0.10 57.60 05:21:01 AM 5 40.39 0.00 1.79 0.35 0.12 57.35 05:21:01 AM 6 32.08 0.00 1.61 0.50 0.10 65.71 05:21:01 AM 7 33.36 0.00 1.37 0.03 0.08 65.15 Average: all 27.26 0.00 1.40 0.50 0.08 70.75 Average: 0 23.83 0.00 1.09 0.45 0.08 74.56 Average: 1 35.21 0.00 2.08 0.42 0.09 62.20 Average: 2 26.69 0.00 1.30 0.74 0.08 71.20 Average: 3 28.37 0.00 1.64 0.69 0.09 69.22 Average: 4 28.46 0.00 1.36 0.51 0.08 69.59 Average: 5 29.12 0.00 1.50 0.66 0.09 68.64 Average: 6 25.55 0.00 1.18 0.37 0.08 72.83 Average: 7 20.86 0.00 1.09 0.21 0.07 77.77