commit f6ed777697db4ad7aee1e98c53243dced2b5891c
Author: Chenyu Yan <seayan@outlook.com>
Date:   Thu Dec 29 16:10:25 2016 -0800

    Fix BIG_TIMEOUT constant

    Summary: Update the constant to reflect what the comments indicates.

    Reviewed By: gunnarku

    Differential Revision: D4374476

    fbshipit-source-id: dd7f484