---> uname -a: Linux prd-centos8-docker-8c-8g-5513.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 1063 26339 19 4485 30354 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:1f:07:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.22/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe1f:7a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:7f:58:38 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::42:9dff:fe7f:5838/64 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) 07/06/2026 _x86_64_ (8 CPU) 07:31:03 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 220.56 16.61 203.95 3198.13 13174.39 07:34:01 AM 179.77 2.58 177.19 1042.49 17358.16 07:35:01 AM 308.06 16.68 291.39 5511.23 30133.26 Average: 236.13 11.96 224.18 3250.74 20222.09 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28895876 30947416 3757496 11.51 2688 2364984 1678216 4.98 195144 3083912 178552 07:34:01 AM 26044012 29307416 6609360 20.24 2688 3562448 2978888 8.84 274704 5795052 876240 07:35:01 AM 27054688 31154032 5598684 17.15 2688 4386356 1470312 4.36 742804 4280064 739432 Average: 27331525 30469621 5321847 16.30 2688 3437929 2042472 6.06 404217 4386343 598075 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 219.34 179.19 2223.18 47.81 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1840.43 655.57 11341.35 59.21 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.76 12.76 1.35 1.35 0.00 0.00 0.00 0.00 07:35:01 AM eth0 164.95 135.35 1716.59 35.27 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.78 5.90 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.25 4.25 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 741.51 323.35 5093.36 47.43 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.97 0.22 0.23 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) 07/06/2026 _x86_64_ (8 CPU) 07:31:03 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 14.61 0.00 1.44 1.18 0.07 82.69 07:33:01 AM 0 6.21 0.00 0.65 0.17 0.07 92.90 07:33:01 AM 1 15.76 0.00 2.26 1.22 0.08 80.68 07:33:01 AM 2 28.64 0.00 2.54 1.27 0.08 67.46 07:33:01 AM 3 22.87 0.00 2.21 2.39 0.07 72.47 07:33:01 AM 4 17.30 0.00 0.97 3.04 0.07 78.63 07:33:01 AM 5 12.58 0.00 1.20 0.70 0.07 85.45 07:33:01 AM 6 8.99 0.00 0.97 0.35 0.05 89.64 07:33:01 AM 7 4.60 0.00 0.75 0.32 0.05 94.28 07:34:01 AM all 29.73 0.00 2.03 0.53 0.07 67.63 07:34:01 AM 0 36.40 0.00 2.02 0.46 0.07 61.06 07:34:01 AM 1 21.26 0.00 1.19 0.27 0.07 77.21 07:34:01 AM 2 19.15 0.00 2.26 0.52 0.07 78.00 07:34:01 AM 3 42.39 0.00 1.58 0.49 0.08 55.46 07:34:01 AM 4 38.33 0.00 2.01 0.37 0.07 59.23 07:34:01 AM 5 36.55 0.00 1.80 0.08 0.08 61.49 07:34:01 AM 6 15.61 0.00 2.50 0.10 0.07 81.73 07:34:01 AM 7 28.06 0.00 2.93 1.99 0.08 66.94 07:35:01 AM all 25.28 0.28 3.12 1.03 0.08 70.20 07:35:01 AM 0 31.81 0.02 2.46 0.57 0.08 65.05 07:35:01 AM 1 23.49 0.05 3.11 0.97 0.08 72.30 07:35:01 AM 2 28.84 0.37 3.80 0.40 0.08 66.50 07:35:01 AM 3 27.12 1.75 3.17 0.54 0.07 67.35 07:35:01 AM 4 22.18 0.00 2.97 0.66 0.10 74.09 07:35:01 AM 5 29.02 0.05 2.60 0.25 0.07 68.00 07:35:01 AM 6 19.63 0.03 3.34 1.04 0.08 75.86 07:35:01 AM 7 20.15 0.00 3.51 3.80 0.08 72.46 Average: all 23.19 0.09 2.20 0.92 0.07 73.53 Average: 0 24.76 0.01 1.71 0.40 0.07 73.05 Average: 1 20.16 0.02 2.19 0.82 0.08 76.73 Average: 2 25.56 0.12 2.87 0.73 0.08 70.64 Average: 3 30.79 0.58 2.32 1.14 0.07 65.10 Average: 4 25.90 0.00 1.98 1.36 0.08 70.68 Average: 5 26.03 0.02 1.87 0.35 0.07 71.67 Average: 6 14.73 0.01 2.27 0.50 0.07 82.42 Average: 7 17.57 0.00 2.39 2.03 0.07 77.93