---> uname -a: Linux prd-centos8-docker-8c-8g-1793.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 998 28287 20 2602 30437 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:75:bc:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.99/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe75:bc7a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:cb:22:99 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) 09/16/2026 _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 127.67 1.87 125.81 319.76 11228.47 05:20:01 AM 190.98 2.37 188.62 630.43 11421.11 05:21:01 AM 91.45 2.58 88.87 464.91 7017.64 Average: 136.70 2.27 134.43 471.69 9888.99 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29388248 31266768 3265124 10.00 2688 2196168 1401932 4.16 147800 2650228 213248 05:20:01 AM 27348372 29388240 5305000 16.25 2688 2349760 3037696 9.01 211688 4588208 66932 05:21:01 AM 28965164 31165248 3688208 11.30 2688 2505480 1508532 4.48 242932 2932172 57720 Average: 28567261 30606752 4086111 12.51 2688 2350469 1982720 5.88 200807 3390203 112633 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 160.86 119.76 1698.21 40.19 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 194.27 179.39 1619.30 38.58 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 242.64 220.89 1564.87 154.23 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 199.26 173.35 1627.46 77.67 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) 09/16/2026 _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 8.55 0.00 0.98 0.27 0.01 90.20 05:19:01 AM 0 0.57 0.00 0.68 0.10 0.02 98.63 05:19:01 AM 1 7.84 0.00 0.80 0.37 0.00 90.99 05:19:01 AM 2 2.97 0.00 0.58 0.45 0.02 95.97 05:19:01 AM 3 7.11 0.00 1.05 0.17 0.00 91.67 05:19:01 AM 4 18.65 0.00 1.57 0.23 0.00 79.55 05:19:01 AM 5 16.32 0.00 1.65 0.43 0.02 81.58 05:19:01 AM 6 3.11 0.00 0.22 0.05 0.00 96.63 05:19:01 AM 7 11.82 0.00 1.27 0.33 0.02 86.56 05:20:01 AM all 35.65 0.00 1.58 0.51 0.02 62.24 05:20:01 AM 0 45.63 0.00 1.32 0.23 0.00 52.81 05:20:01 AM 1 39.17 0.00 2.07 1.05 0.03 57.67 05:20:01 AM 2 43.93 0.00 1.65 0.52 0.02 53.88 05:20:01 AM 3 35.68 0.00 1.39 0.23 0.02 62.68 05:20:01 AM 4 32.31 0.00 1.64 0.17 0.03 65.85 05:20:01 AM 5 31.24 0.00 1.30 0.47 0.02 66.97 05:20:01 AM 6 32.91 0.00 1.58 0.79 0.02 64.71 05:20:01 AM 7 24.34 0.00 1.72 0.58 0.02 73.34 05:21:01 AM all 33.94 0.00 1.66 0.26 0.02 64.13 05:21:01 AM 0 30.11 0.00 1.54 0.22 0.03 68.10 05:21:01 AM 1 28.92 0.00 1.55 0.55 0.02 68.96 05:21:01 AM 2 29.70 0.00 2.01 0.28 0.02 67.99 05:21:01 AM 3 35.16 0.00 1.40 0.28 0.02 63.14 05:21:01 AM 4 29.81 0.00 1.82 0.13 0.02 68.22 05:21:01 AM 5 33.27 0.00 1.34 0.07 0.02 65.31 05:21:01 AM 6 40.02 0.00 1.96 0.42 0.02 57.58 05:21:01 AM 7 44.52 0.00 1.64 0.12 0.02 53.71 Average: all 26.04 0.00 1.41 0.34 0.02 72.20 Average: 0 25.42 0.00 1.18 0.18 0.02 73.20 Average: 1 25.30 0.00 1.48 0.66 0.02 72.55 Average: 2 25.54 0.00 1.41 0.42 0.02 72.61 Average: 3 25.97 0.00 1.28 0.23 0.01 72.51 Average: 4 26.92 0.00 1.68 0.18 0.02 71.21 Average: 5 26.94 0.00 1.43 0.32 0.02 71.29 Average: 6 25.33 0.00 1.25 0.42 0.01 72.99 Average: 7 26.89 0.00 1.54 0.35 0.02 71.21