---> uname -a: Linux prd-centos8-docker-8c-8g-6527.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 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 1030 28252 20 2605 30405 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:71:4a:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe71:4a12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:db:4c:f0:aa 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) 10/02/2026 _x86_64_ (8 CPU) 05:17:36 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 206.16 7.11 199.05 1186.55 8049.85 05:20:01 AM 187.81 3.02 184.79 683.52 13608.85 05:21:01 AM 101.63 1.52 100.12 387.87 6042.99 Average: 165.20 3.88 161.32 752.65 9234.14 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29394144 31269904 3259228 9.98 2688 2194024 1419740 4.21 141088 2664176 313184 05:20:01 AM 27734172 29755624 4919200 15.06 2688 2333108 2843288 8.44 200180 4223764 82700 05:21:01 AM 27233108 29415320 5420264 16.60 2688 2488820 2938960 8.72 236944 4666268 74776 Average: 28120475 30146949 4532897 13.88 2688 2338651 2400663 7.12 192737 3851403 156887 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 154.10 102.07 1861.73 30.45 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 214.61 201.30 1636.36 48.59 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 146.47 124.64 1367.70 27.35 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 171.73 142.67 1621.93 35.47 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) 10/02/2026 _x86_64_ (8 CPU) 05:17:36 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 10.17 0.00 1.22 0.59 0.01 88.02 05:19:01 AM 0 8.87 0.00 2.43 2.26 0.03 86.41 05:19:01 AM 1 15.51 0.00 1.34 0.23 0.02 82.90 05:19:01 AM 2 7.68 0.00 0.69 0.30 0.00 91.33 05:19:01 AM 3 2.63 0.00 0.77 0.42 0.00 96.18 05:19:01 AM 4 23.23 0.00 2.05 0.48 0.02 74.22 05:19:01 AM 5 11.32 0.00 1.14 0.67 0.00 86.88 05:19:01 AM 6 5.86 0.00 0.62 0.17 0.00 93.36 05:19:01 AM 7 6.24 0.00 0.72 0.17 0.00 92.88 05:20:01 AM all 25.46 0.00 1.49 0.58 0.01 72.46 05:20:01 AM 0 39.12 0.00 1.66 0.69 0.02 58.52 05:20:01 AM 1 26.12 0.00 2.33 1.04 0.02 70.50 05:20:01 AM 2 26.63 0.00 1.57 0.75 0.03 71.02 05:20:01 AM 3 33.78 0.00 1.69 1.12 0.02 63.39 05:20:01 AM 4 14.98 0.00 1.10 0.20 0.02 83.70 05:20:01 AM 5 24.19 0.00 1.66 0.37 0.02 73.77 05:20:01 AM 6 24.41 0.00 0.74 0.13 0.00 74.72 05:20:01 AM 7 14.48 0.00 1.15 0.33 0.00 84.03 05:21:01 AM all 41.63 0.00 1.72 0.25 0.02 56.38 05:21:01 AM 0 37.15 0.00 1.25 0.13 0.02 61.45 05:21:01 AM 1 35.02 0.00 2.07 0.12 0.02 62.77 05:21:01 AM 2 50.11 0.00 1.79 0.40 0.02 47.69 05:21:01 AM 3 41.52 0.00 2.01 0.12 0.00 56.36 05:21:01 AM 4 33.07 0.00 1.72 0.22 0.02 64.97 05:21:01 AM 5 52.60 0.00 1.40 0.33 0.02 45.65 05:21:01 AM 6 35.11 0.00 1.45 0.30 0.02 63.12 05:21:01 AM 7 48.48 0.00 2.07 0.35 0.03 49.06 Average: all 25.75 0.00 1.47 0.47 0.01 72.29 Average: 0 28.38 0.00 1.78 1.03 0.02 68.79 Average: 1 25.55 0.00 1.91 0.46 0.02 72.06 Average: 2 28.15 0.00 1.35 0.48 0.02 70.00 Average: 3 25.99 0.00 1.49 0.55 0.01 71.97 Average: 4 23.77 0.00 1.63 0.30 0.02 74.29 Average: 5 29.37 0.00 1.40 0.46 0.01 68.76 Average: 6 21.78 0.00 0.94 0.20 0.01 77.08 Average: 7 23.06 0.00 1.31 0.28 0.01 75.33