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There are many tuning options which could be causing this. First look at storage. Please run hdparm -tT --direct on the apps mountpoint as shown below to see what your storage speeds look like:
Check swapping with free -m as shown above.
Is your sga_target 2G? You can probably make it 1G for a single user demo instance.
Is the virtualization option enabled in your laptop's BIOS? You can try enabling or disabling the host IO cache in the storage options for the SATA controller.
Ensure Hardware Virtualization options are enabled on the system settings
Type yum install hdparm.