---> uname -a: Linux prd-centos8-docker-8c-8g-4815.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: 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 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 1072 27271 19 3545 30361 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:d3:ce:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.60/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fed3:cece/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:b4:b7:63 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::42:5eff:feb4:b763/64 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) 10/23/2025 _x86_64_ (8 CPU) 17:11:25 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 178.67 14.73 163.94 3102.95 10562.31 05:14:01 PM 432.59 7.15 425.44 1273.58 15863.71 05:15:01 PM 169.10 1.13 167.97 387.41 39484.86 Average: 260.12 7.67 252.45 1587.83 21971.90 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29122692 30981492 3533020 10.82 2688 2176268 1758376 5.22 154432 2918840 148792 05:14:01 PM 27673148 30076380 4982564 15.26 2688 2710676 2265420 6.72 387356 4087260 283764 05:15:01 PM 27973236 31135876 4682476 14.34 2688 3462000 1493400 4.43 795712 3356280 177592 Average: 28256359 30731249 4399353 13.47 2688 2782981 1839065 5.46 445833 3454127 203383 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 158.26 131.19 1665.13 42.32 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 613.18 504.75 7890.03 65.17 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 486.16 423.95 3849.23 2373.45 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.46 15.74 0.49 243.75 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 419.22 353.32 4468.25 827.11 0.00 0.00 0.00 0.00 Average: docker0 2.15 5.25 0.16 81.27 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) 10/23/2025 _x86_64_ (8 CPU) 17:11:25 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.18 0.00 1.10 0.62 0.05 86.05 05:13:01 PM 0 3.81 0.00 0.70 0.55 0.07 94.87 05:13:01 PM 1 15.94 0.00 1.52 0.63 0.07 81.84 05:13:01 PM 2 7.67 0.00 0.95 1.19 0.05 90.14 05:13:01 PM 3 22.42 0.00 1.65 1.09 0.05 74.79 05:13:01 PM 4 23.30 0.00 1.90 0.65 0.05 74.09 05:13:01 PM 5 7.17 0.00 0.65 0.43 0.03 91.71 05:13:01 PM 6 11.95 0.00 1.07 0.23 0.03 86.72 05:13:01 PM 7 5.16 0.00 0.33 0.20 0.05 94.25 05:14:01 PM all 28.03 0.00 1.89 1.42 0.09 68.56 05:14:01 PM 0 39.43 0.00 2.38 1.88 0.10 56.21 05:14:01 PM 1 36.35 0.00 1.42 0.74 0.08 61.41 05:14:01 PM 2 23.81 0.00 1.63 0.89 0.10 73.57 05:14:01 PM 3 22.32 0.00 1.73 1.66 0.10 74.19 05:14:01 PM 4 23.34 0.00 1.80 0.39 0.08 74.39 05:14:01 PM 5 24.56 0.00 1.54 0.30 0.07 73.53 05:14:01 PM 6 29.66 0.00 2.55 3.01 0.12 64.66 05:14:01 PM 7 24.74 0.00 2.08 2.53 0.10 70.54 05:15:01 PM all 18.35 0.00 2.99 0.87 0.16 77.62 05:15:01 PM 0 21.37 0.00 3.19 0.59 0.15 74.70 05:15:01 PM 1 13.82 0.00 3.60 1.72 0.17 80.70 05:15:01 PM 2 15.99 0.00 3.19 2.30 0.15 78.37 05:15:01 PM 3 27.21 0.00 2.73 0.60 0.17 69.28 05:15:01 PM 4 22.79 0.00 3.04 1.21 0.17 72.79 05:15:01 PM 5 14.24 0.00 3.14 0.34 0.15 82.14 05:15:01 PM 6 7.82 0.00 2.63 0.10 0.17 89.28 05:15:01 PM 7 23.56 0.00 2.39 0.15 0.15 73.75 Average: all 19.51 0.00 1.99 0.97 0.10 77.43 Average: 0 21.51 0.00 2.09 1.01 0.11 75.29 Average: 1 22.04 0.00 2.18 1.03 0.11 74.65 Average: 2 15.81 0.00 1.92 1.46 0.10 80.71 Average: 3 23.98 0.00 2.04 1.12 0.11 72.76 Average: 4 23.15 0.00 2.25 0.75 0.10 73.76 Average: 5 15.31 0.00 1.78 0.36 0.08 82.47 Average: 6 16.46 0.00 2.08 1.11 0.11 80.24 Average: 7 17.80 0.00 1.60 0.96 0.10 79.53