---> uname -a: Linux prd-centos8-docker-8c-8g-8993.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: 2799.996 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 1012 28268 19 2606 30423 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:e5:bd:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.217/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fee5:bd3d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:65:f2:97:7b 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) 06/07/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 128.23 2.13 126.10 312.48 10324.78 05:20:01 AM 210.15 3.38 206.76 997.80 12187.29 05:21:02 AM 81.97 2.70 79.27 100.10 6469.31 Average: 140.12 2.74 137.38 470.14 9660.42 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29192636 31079716 3460736 10.60 2688 2202716 2039500 6.05 159116 2834976 209108 05:20:01 AM 27174080 29279352 5479292 16.78 2688 2412540 3425952 10.17 222996 4747020 86564 05:21:02 AM 28964924 31177860 3688448 11.30 2688 2517012 1467612 4.35 421680 2754192 56312 Average: 28443880 30512309 4209492 12.89 2688 2377423 2311021 6.86 267931 3445396 117328 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 184.14 144.86 1715.83 48.75 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 235.39 211.66 2382.85 43.16 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 05:21:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:02 AM eth0 195.27 187.09 813.49 175.93 0.00 0.00 0.00 0.00 05:21:02 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 204.93 181.21 1637.38 89.28 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) 06/07/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.20 0.00 1.00 0.34 0.05 89.41 05:19:01 AM 0 6.58 0.00 0.85 0.05 0.05 92.47 05:19:01 AM 1 28.11 0.00 2.47 0.58 0.08 68.75 05:19:01 AM 2 13.23 0.00 1.69 0.60 0.08 84.40 05:19:01 AM 3 3.60 0.00 0.50 0.18 0.05 95.67 05:19:01 AM 4 5.58 0.00 0.50 0.55 0.03 93.33 05:19:01 AM 5 11.99 0.00 1.05 0.32 0.05 86.59 05:19:01 AM 6 1.47 0.00 0.37 0.18 0.05 97.93 05:19:01 AM 7 3.02 0.00 0.55 0.25 0.03 96.14 05:20:01 AM all 40.21 0.00 1.65 0.64 0.10 57.40 05:20:01 AM 0 33.41 0.00 1.47 0.63 0.10 64.39 05:20:01 AM 1 52.46 0.00 1.80 1.15 0.10 44.49 05:20:01 AM 2 40.11 0.00 1.62 0.17 0.10 58.00 05:20:01 AM 3 43.32 0.00 2.52 0.77 0.12 53.27 05:20:01 AM 4 30.16 0.00 1.86 0.87 0.10 67.02 05:20:01 AM 5 31.88 0.00 1.29 0.47 0.08 66.28 05:20:01 AM 6 46.80 0.00 1.75 0.30 0.10 51.04 05:20:01 AM 7 43.53 0.00 0.90 0.77 0.08 54.72 05:21:02 AM all 31.67 0.00 1.54 0.16 0.08 66.55 05:21:02 AM 0 34.01 0.00 1.49 0.02 0.08 64.41 05:21:02 AM 1 18.67 0.00 1.35 0.10 0.08 79.79 05:21:02 AM 2 33.10 0.00 1.40 0.33 0.08 65.08 05:21:02 AM 3 31.05 0.00 1.57 0.27 0.08 67.02 05:21:02 AM 4 31.71 0.00 1.47 0.15 0.07 66.60 05:21:02 AM 5 32.00 0.00 1.50 0.22 0.08 66.19 05:21:02 AM 6 33.09 0.00 2.06 0.18 0.08 64.59 05:21:02 AM 7 39.70 0.00 1.49 0.03 0.08 58.70 Average: all 27.02 0.00 1.40 0.38 0.08 71.12 Average: 0 24.66 0.00 1.27 0.23 0.08 73.76 Average: 1 33.08 0.00 1.88 0.61 0.09 64.34 Average: 2 28.81 0.00 1.57 0.37 0.09 69.16 Average: 3 26.00 0.00 1.53 0.41 0.08 71.97 Average: 4 22.48 0.00 1.28 0.52 0.07 75.65 Average: 5 25.28 0.00 1.28 0.33 0.07 73.03 Average: 6 27.12 0.00 1.39 0.22 0.08 71.19 Average: 7 28.75 0.00 0.98 0.35 0.07 69.86