---> uname -a: Linux prd-centos8-docker-8c-8g-857.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 28277 19 2599 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:c4:c9:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.221/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fec4:c950/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0e:76:a5:9b 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) 06/23/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 130.71 1.95 128.76 308.03 10503.30 05:20:01 AM 204.55 2.10 202.45 615.00 12124.84 05:21:01 AM 73.08 4.10 68.98 482.11 5706.15 Average: 136.11 2.72 133.39 468.38 9444.76 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29254928 31133660 3398444 10.41 2688 2194404 2025832 6.01 157980 2774892 209924 05:20:01 AM 27372424 29456464 5280948 16.17 2688 2392004 3081660 9.14 215884 4558308 85448 05:21:01 AM 28957956 31154884 3695416 11.32 2688 2501048 1440984 4.28 245192 2937684 62236 Average: 28528436 30581669 4124936 12.63 2688 2362485 2182825 6.48 206352 3423628 119203 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 174.63 136.15 1711.87 47.18 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 240.04 209.85 2389.75 42.96 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 117.39 99.17 776.59 26.45 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 177.35 148.39 1626.07 38.86 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) 06/23/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 8.51 0.00 0.99 0.35 0.05 90.09 05:19:01 AM 0 3.92 0.00 0.62 0.65 0.05 94.76 05:19:01 AM 1 11.04 0.00 0.90 0.17 0.07 87.83 05:19:01 AM 2 3.61 0.00 0.99 0.47 0.07 94.87 05:19:01 AM 3 23.74 0.00 2.04 0.60 0.05 73.57 05:19:01 AM 4 16.30 0.00 1.85 0.45 0.05 81.35 05:19:01 AM 5 3.71 0.00 0.58 0.27 0.05 95.39 05:19:01 AM 6 4.03 0.00 0.60 0.20 0.03 95.14 05:19:01 AM 7 1.74 0.00 0.33 0.03 0.05 97.85 05:20:01 AM all 38.67 0.00 1.82 0.65 0.10 58.76 05:20:01 AM 0 43.24 0.00 1.40 0.30 0.10 54.95 05:20:01 AM 1 53.89 0.00 1.44 0.42 0.08 44.17 05:20:01 AM 2 36.49 0.00 1.67 0.90 0.10 60.83 05:20:01 AM 3 37.06 0.00 1.84 0.57 0.10 60.44 05:20:01 AM 4 36.14 0.00 2.12 0.53 0.10 61.10 05:20:01 AM 5 39.66 0.00 2.19 0.49 0.12 57.55 05:20:01 AM 6 36.96 0.00 2.36 1.46 0.10 59.12 05:20:01 AM 7 25.90 0.00 1.51 0.55 0.10 71.94 05:21:01 AM all 35.78 0.00 1.73 0.18 0.07 62.25 05:21:01 AM 0 23.07 0.00 1.74 0.17 0.07 74.96 05:21:01 AM 1 29.88 0.00 1.82 0.10 0.08 68.12 05:21:01 AM 2 30.20 0.00 1.47 0.15 0.07 68.11 05:21:01 AM 3 33.59 0.00 1.80 0.33 0.08 64.19 05:21:01 AM 4 42.75 0.00 2.39 0.43 0.07 54.35 05:21:01 AM 5 50.02 0.00 2.06 0.08 0.07 47.78 05:21:01 AM 6 37.67 0.00 1.42 0.05 0.07 60.79 05:21:01 AM 7 39.05 0.00 1.10 0.10 0.08 59.67 Average: all 27.65 0.00 1.51 0.39 0.08 70.37 Average: 0 23.40 0.00 1.25 0.37 0.07 74.90 Average: 1 31.60 0.00 1.39 0.23 0.08 66.70 Average: 2 23.43 0.00 1.38 0.51 0.08 74.61 Average: 3 31.46 0.00 1.89 0.50 0.08 66.07 Average: 4 31.73 0.00 2.12 0.47 0.07 65.60 Average: 5 31.12 0.00 1.61 0.28 0.08 66.91 Average: 6 26.22 0.00 1.46 0.57 0.07 71.69 Average: 7 22.22 0.00 0.98 0.23 0.08 76.49