---> uname -a: Linux prd-centos8-docker-8c-8g-9164.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1078 26359 19 4449 30340 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:cc:03:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.46/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fecc:393/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:30:2f:40:38 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 inet6 fe80::42:30ff:fe2f:4038/64 scope link 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) 06/08/2026 _x86_64_ (8 CPU) 02:28:23 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 195.63 14.61 181.02 3222.40 11003.33 02:31:01 AM 216.99 6.06 210.93 1195.20 19980.81 02:32:01 AM 136.97 15.33 121.64 5553.48 29720.61 Average: 183.20 12.00 171.20 3323.70 20235.43 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29048096 31066080 3605268 11.04 2688 2333324 1593780 4.73 186616 2947052 251164 02:31:01 AM 27064128 29878204 5589236 17.12 2688 3120800 2606552 7.73 273228 4804384 470772 02:32:01 AM 27005808 31070560 5647556 17.30 2688 4353288 1515820 4.50 733644 4342140 716244 Average: 27706011 30671615 4947353 15.15 2688 3269137 1905384 5.65 397829 4031192 479393 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 209.22 155.37 2366.07 31.40 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 1496.85 566.34 11363.87 58.04 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.91 11.91 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 204.47 121.68 1709.95 25.19 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.32 5.40 0.62 0.63 0.00 0.00 0.00 0.00 Average: lo 3.97 3.97 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 636.87 281.14 5146.78 38.21 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.80 0.21 0.21 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) 06/08/2026 _x86_64_ (8 CPU) 02:28:23 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.29 0.00 1.31 0.53 0.06 84.82 02:30:01 AM 0 7.85 0.00 0.79 0.37 0.05 90.94 02:30:01 AM 1 15.94 0.00 0.97 0.70 0.05 82.34 02:30:01 AM 2 9.17 0.00 1.05 0.40 0.07 89.31 02:30:01 AM 3 24.03 0.00 2.32 0.69 0.07 72.90 02:30:01 AM 4 19.84 0.00 2.06 0.45 0.07 77.59 02:30:01 AM 5 13.01 0.00 1.74 0.82 0.07 84.36 02:30:01 AM 6 6.04 0.00 0.78 0.52 0.03 92.62 02:30:01 AM 7 10.43 0.00 0.74 0.27 0.07 88.49 02:31:01 AM all 28.09 0.00 1.60 0.65 0.08 69.58 02:31:01 AM 0 32.39 0.00 1.33 0.17 0.08 66.03 02:31:01 AM 1 28.30 0.00 1.29 0.50 0.10 69.80 02:31:01 AM 2 27.27 0.00 1.98 0.86 0.10 69.79 02:31:01 AM 3 13.94 0.00 1.81 1.69 0.08 82.47 02:31:01 AM 4 32.35 0.00 1.24 0.49 0.07 65.86 02:31:01 AM 5 33.07 0.00 2.23 0.94 0.08 63.67 02:31:01 AM 6 35.15 0.00 0.87 0.02 0.08 63.87 02:31:01 AM 7 22.22 0.00 2.06 0.52 0.07 75.13 02:32:01 AM all 22.60 0.28 3.22 0.70 0.08 73.12 02:32:01 AM 0 18.56 0.02 3.62 0.32 0.08 77.40 02:32:01 AM 1 26.44 0.00 2.51 0.44 0.08 70.53 02:32:01 AM 2 22.05 0.07 3.14 0.35 0.07 74.32 02:32:01 AM 3 22.96 0.02 3.82 2.27 0.08 70.84 02:32:01 AM 4 19.10 1.68 2.96 0.24 0.08 75.93 02:32:01 AM 5 23.73 0.42 3.58 0.69 0.07 71.52 02:32:01 AM 6 19.92 0.05 3.10 1.13 0.08 75.72 02:32:01 AM 7 28.02 0.00 3.00 0.19 0.08 68.71 Average: all 21.31 0.09 2.04 0.63 0.07 75.85 Average: 0 19.58 0.01 1.91 0.29 0.07 78.15 Average: 1 23.55 0.00 1.59 0.55 0.08 74.24 Average: 2 19.48 0.02 2.06 0.54 0.08 77.83 Average: 3 20.31 0.01 2.65 1.55 0.08 75.41 Average: 4 23.77 0.56 2.08 0.39 0.07 73.12 Average: 5 23.26 0.14 2.52 0.82 0.07 73.19 Average: 6 20.36 0.02 1.58 0.55 0.07 77.43 Average: 7 20.20 0.00 1.93 0.32 0.07 77.47