I\'m trying to install mysql on MAC OS version 10.11.2 by following the methods in this link,
The following command has been successfully executed,
brew
Based on this link: https://bugs.launchpad.net/mysql-sandbox/+bug/1396092 and this https://blog.omgmog.net/post/installing-mysql-on-os-x-mountain-lion/ It looks like you may simply need to unset TMPDIR prior to running the install_db command.
unset TMPDIR