---> uname -a: Linux prd-centos8-docker-8c-8g-4418.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 1082 26370 19 4434 30336 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:69:83:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.234/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe69:83ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4f:c2:29:54 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::42:4fff:fec2:2954/64 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) 05/28/2026 _x86_64_ (8 CPU) 02:29:03 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 282.92 16.61 266.31 3198.27 16624.76 02:32:01 AM 166.43 16.71 149.72 2048.78 39846.42 02:33:01 AM 96.95 5.23 91.72 4662.71 25854.63 Average: 182.10 12.85 169.25 3303.25 27441.94 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28546872 30827776 4106492 12.58 2688 2591836 1886396 5.60 204740 3412020 300708 02:32:01 AM 26220456 29419688 6432908 19.70 2688 3491768 4030468 11.96 440616 5421156 1600 02:33:01 AM 27003388 31064160 5649976 17.30 2688 4347948 1480980 4.39 875656 4205228 7528 Average: 27256905 30437208 5396459 16.53 2688 3477184 2465948 7.32 507004 4346135 103279 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 527.94 390.24 5931.52 68.35 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 3.50 3.50 0.40 0.40 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1650.32 454.78 7366.75 41.71 0.00 0.00 0.00 0.00 02:32:01 AM docker0 1.43 1.92 0.20 0.22 0.00 0.00 0.00 0.00 02:32:01 AM veth10c5b0a 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 02:33:01 AM lo 8.30 8.30 0.86 0.86 0.00 0.00 0.00 0.00 02:33:01 AM eth0 150.35 155.36 1392.83 1256.37 0.00 0.00 0.00 0.00 02:33:01 AM docker0 2.82 3.48 0.41 0.41 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 776.20 333.46 4897.03 455.48 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.80 0.20 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) 05/28/2026 _x86_64_ (8 CPU) 02:29:03 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 15.66 0.00 1.59 0.85 0.07 81.83 02:31:01 AM 0 22.19 0.00 1.07 0.37 0.08 76.29 02:31:01 AM 1 11.60 0.00 2.21 1.49 0.08 84.62 02:31:01 AM 2 25.08 0.00 2.41 0.57 0.10 71.84 02:31:01 AM 3 19.12 0.00 1.61 0.59 0.07 78.62 02:31:01 AM 4 12.04 0.00 1.61 1.10 0.05 85.20 02:31:01 AM 5 10.21 0.00 1.27 0.72 0.07 87.73 02:31:01 AM 6 10.64 0.00 1.19 0.97 0.05 87.15 02:31:01 AM 7 14.38 0.00 1.37 1.00 0.05 83.19 02:32:01 AM all 29.70 0.21 2.55 0.78 0.09 66.66 02:32:01 AM 0 9.10 0.02 2.03 1.51 0.10 87.24 02:32:01 AM 1 24.79 0.02 2.61 1.85 0.10 70.62 02:32:01 AM 2 47.16 0.00 3.45 0.44 0.10 48.86 02:32:01 AM 3 12.50 1.57 2.19 0.67 0.08 82.99 02:32:01 AM 4 41.00 0.03 3.23 0.40 0.08 55.25 02:32:01 AM 5 31.96 0.03 1.65 0.29 0.08 65.98 02:32:01 AM 6 46.38 0.00 2.02 0.37 0.08 51.15 02:32:01 AM 7 24.75 0.02 3.23 0.74 0.10 71.16 02:33:01 AM all 18.51 0.05 1.94 0.52 0.07 78.90 02:33:01 AM 0 13.87 0.33 1.46 0.55 0.07 83.72 02:33:01 AM 1 11.76 0.02 1.54 0.55 0.08 86.05 02:33:01 AM 2 19.15 0.00 1.89 0.59 0.07 78.31 02:33:01 AM 3 24.23 0.03 2.18 1.09 0.07 72.41 02:33:01 AM 4 19.51 0.00 2.39 0.60 0.07 77.43 02:33:01 AM 5 21.05 0.00 2.12 0.15 0.08 76.59 02:33:01 AM 6 14.78 0.00 1.79 0.20 0.07 83.17 02:33:01 AM 7 23.80 0.02 2.12 0.45 0.08 73.53 Average: all 21.28 0.09 2.03 0.72 0.08 75.81 Average: 0 15.06 0.12 1.52 0.81 0.08 82.41 Average: 1 16.03 0.01 2.12 1.30 0.09 80.45 Average: 2 30.43 0.00 2.58 0.53 0.09 66.37 Average: 3 18.62 0.53 1.99 0.78 0.07 78.00 Average: 4 24.16 0.01 2.41 0.70 0.07 72.66 Average: 5 21.04 0.01 1.68 0.39 0.08 76.80 Average: 6 23.89 0.00 1.66 0.51 0.07 73.86 Average: 7 20.97 0.01 2.24 0.73 0.08 75.97