---> uname -a: Linux prd-centos8-docker-8c-8g-8896.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1063 26420 19 4406 30359 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:ca:a0:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.199/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:feca:a020/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:c7:84:db 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:dff:fec7:84db/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/08/2026 _x86_64_ (8 CPU) 07:31:17 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 245.97 16.64 229.32 3302.90 13513.80 07:34:01 AM 181.07 2.72 178.35 1050.76 17168.32 07:35:01 AM 142.88 16.31 126.57 5486.32 27928.52 Average: 189.97 11.89 178.08 3280.24 19537.48 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28994648 30971224 3661064 11.21 2688 2292128 1665900 4.94 195336 2993920 155340 07:34:01 AM 26572356 29738468 6083356 18.63 2688 3462168 2981336 8.85 323784 5212852 843520 07:35:01 AM 25765408 29722508 6890304 21.10 2688 4246820 2608516 7.74 750484 5568416 675236 Average: 27110804 30144067 5544908 16.98 2688 3333705 2418584 7.18 423201 4591729 558032 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 226.26 187.39 2726.65 48.47 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 1847.94 637.16 11330.45 62.53 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 12.89 12.89 1.35 1.35 0.00 0.00 0.00 0.00 07:35:01 AM eth0 152.47 125.50 1710.34 31.17 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.78 5.93 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.30 4.30 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 742.13 316.66 5255.28 47.39 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.98 0.22 0.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/08/2026 _x86_64_ (8 CPU) 07:31:17 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 14.98 0.00 1.40 0.93 0.07 82.63 07:33:01 AM 0 17.15 0.00 0.92 0.40 0.08 81.45 07:33:01 AM 1 17.09 0.00 1.69 1.55 0.07 79.60 07:33:01 AM 2 23.04 0.00 1.75 1.00 0.08 74.12 07:33:01 AM 3 22.32 0.00 2.41 0.95 0.07 74.26 07:33:01 AM 4 16.22 0.00 1.27 0.60 0.07 81.84 07:33:01 AM 5 4.03 0.00 0.87 0.75 0.07 94.28 07:33:01 AM 6 11.63 0.00 1.37 1.24 0.07 85.70 07:33:01 AM 7 8.35 0.00 0.89 0.94 0.05 89.78 07:34:01 AM all 28.90 0.00 2.22 1.07 0.09 67.72 07:34:01 AM 0 33.34 0.00 2.34 0.93 0.08 63.30 07:34:01 AM 1 25.61 0.00 2.78 2.37 0.10 69.13 07:34:01 AM 2 21.46 0.00 3.36 1.65 0.08 73.44 07:34:01 AM 3 18.20 0.00 1.70 0.45 0.10 79.54 07:34:01 AM 4 26.49 0.00 1.67 0.54 0.08 71.22 07:34:01 AM 5 35.36 0.00 1.71 1.34 0.08 61.51 07:34:01 AM 6 42.88 0.00 2.05 0.72 0.10 54.24 07:34:01 AM 7 27.84 0.00 2.19 0.52 0.10 69.35 07:35:01 AM all 23.25 0.31 2.46 2.59 0.08 71.31 07:35:01 AM 0 19.25 0.03 2.41 1.59 0.10 76.62 07:35:01 AM 1 24.00 0.33 2.63 1.87 0.08 71.07 07:35:01 AM 2 29.05 0.05 3.71 7.96 0.08 59.14 07:35:01 AM 3 28.93 0.00 2.36 1.93 0.08 66.70 07:35:01 AM 4 20.26 0.12 1.61 0.12 0.08 77.81 07:35:01 AM 5 22.19 1.88 2.33 5.54 0.07 67.99 07:35:01 AM 6 23.06 0.00 1.93 0.77 0.08 74.15 07:35:01 AM 7 19.29 0.05 2.68 0.92 0.07 76.99 Average: all 22.36 0.10 2.02 1.53 0.08 73.90 Average: 0 23.22 0.01 1.89 0.97 0.09 73.82 Average: 1 22.23 0.11 2.36 1.93 0.08 73.28 Average: 2 24.52 0.02 2.94 3.54 0.08 68.90 Average: 3 23.16 0.00 2.16 1.11 0.08 73.49 Average: 4 20.98 0.04 1.52 0.42 0.08 76.97 Average: 5 20.51 0.63 1.64 2.54 0.07 74.61 Average: 6 25.82 0.00 1.79 0.91 0.08 71.40 Average: 7 18.47 0.02 1.92 0.79 0.07 78.73